And next, set suspend/resume callbacks to the pci_driver::
- static SIMPLE_DEV_PM_OPS(snd_my_pm_ops, mychip_suspend, mychip_resume);
+ static DEFINE_SIMPLE_DEV_PM_OPS(snd_my_pm_ops, mychip_suspend, mychip_resume);
static struct pci_driver driver = {
.name = KBUILD_MODNAME,
.id_table = snd_my_ids,
.probe = snd_my_probe,
.remove = snd_my_remove,
- .driver.pm = &snd_my_pm_ops,
+ .driver = {
+ .pm = &snd_my_pm_ops,
+ },
};
Module Parameters
F: include/sound/cs*
F: sound/pci/hda/cirrus*
F: sound/pci/hda/cs*
+F: sound/pci/hda/hda_component*
F: sound/pci/hda/hda_cs_dsp_ctl.*
F: sound/soc/codecs/cs*
F: sound/core/compress_offload.c
F: sound/soc/soc-compress.c
+SOUND - CORE KUNIT TEST
+M: Ivan Orlov <ivan.orlov0322@gmail.com>
+L: linux-sound@vger.kernel.org
+S: Supported
+F: sound/core/sound_kunit.c
+
SOUND - DMAENGINE HELPERS
M: Lars-Peter Clausen <lars@metafoo.de>
S: Supported
{"BSG1160", },
{"BSG2150", },
{"CSC3551", },
+ {"CSC3554", },
{"CSC3556", },
+ {"CSC3557", },
{"INT33FE", },
{"INT3515", },
/* Non-conforming _HID for Cirrus Logic already released */
.bus_type = SMI_AUTO_DETECT,
};
+static const struct smi_node cs35l54_hda = {
+ .instances = {
+ { "cs35l54-hda", IRQ_RESOURCE_AUTO, 0 },
+ { "cs35l54-hda", IRQ_RESOURCE_AUTO, 0 },
+ { "cs35l54-hda", IRQ_RESOURCE_AUTO, 0 },
+ { "cs35l54-hda", IRQ_RESOURCE_AUTO, 0 },
+ /* a 5th entry is an alias address, not a real device */
+ { "cs35l54-hda_dummy_dev" },
+ {}
+ },
+ .bus_type = SMI_AUTO_DETECT,
+};
+
static const struct smi_node cs35l56_hda = {
.instances = {
{ "cs35l56-hda", IRQ_RESOURCE_AUTO, 0 },
.bus_type = SMI_AUTO_DETECT,
};
+static const struct smi_node cs35l57_hda = {
+ .instances = {
+ { "cs35l57-hda", IRQ_RESOURCE_AUTO, 0 },
+ { "cs35l57-hda", IRQ_RESOURCE_AUTO, 0 },
+ { "cs35l57-hda", IRQ_RESOURCE_AUTO, 0 },
+ { "cs35l57-hda", IRQ_RESOURCE_AUTO, 0 },
+ /* a 5th entry is an alias address, not a real device */
+ { "cs35l57-hda_dummy_dev" },
+ {}
+ },
+ .bus_type = SMI_AUTO_DETECT,
+};
+
/*
* Note new device-ids must also be added to ignore_serial_bus_ids in
* drivers/acpi/scan.c: acpi_device_enumeration_by_parent().
{ "BSG1160", (unsigned long)&bsg1160_data },
{ "BSG2150", (unsigned long)&bsg2150_data },
{ "CSC3551", (unsigned long)&cs35l41_hda },
+ { "CSC3554", (unsigned long)&cs35l54_hda },
{ "CSC3556", (unsigned long)&cs35l56_hda },
+ { "CSC3557", (unsigned long)&cs35l57_hda },
{ "INT3515", (unsigned long)&int3515_data },
/* Non-conforming _HID for Cirrus Logic already released */
{ "CLSA0100", (unsigned long)&cs35l41_hda },
#ifdef CONFIG_PM
void snd_ak4531_suspend(struct snd_ak4531 *ak4531);
void snd_ak4531_resume(struct snd_ak4531 *ak4531);
+#else
+static inline void snd_ak4531_suspend(struct snd_ak4531 *ak4531) {}
+static inline void snd_ak4531_resume(struct snd_ak4531 *ak4531) {}
#endif
#endif /* __SOUND_AK4531_CODEC_H */
struct regmap *regmap;
int irq;
struct mutex irq_lock;
+ u8 type;
u8 rev;
bool init_done;
bool fw_patched;
int ports[SNDRV_EMUX_MAX_PORTS]; /* The ports for this device */
struct snd_emux_port *portptrs[SNDRV_EMUX_MAX_PORTS];
int used; /* use counter */
- char *name; /* name of the device (internal) */
+ const char *name; /* name of the device (internal) */
struct snd_rawmidi **vmidi;
struct timer_list tlist; /* for pending note-offs */
int timer_active;
flags = _snd_pcm_stream_lock_irqsave_nested(substream); \
} while (0)
+/* definitions for guard(); use like guard(pcm_stream_lock) */
+DEFINE_LOCK_GUARD_1(pcm_stream_lock, struct snd_pcm_substream,
+ snd_pcm_stream_lock(_T->lock),
+ snd_pcm_stream_unlock(_T->lock))
+DEFINE_LOCK_GUARD_1(pcm_stream_lock_irq, struct snd_pcm_substream,
+ snd_pcm_stream_lock_irq(_T->lock),
+ snd_pcm_stream_unlock_irq(_T->lock))
+DEFINE_LOCK_GUARD_1(pcm_stream_lock_irqsave, struct snd_pcm_substream,
+ snd_pcm_stream_lock_irqsave(_T->lock, _T->flags),
+ snd_pcm_stream_unlock_irqrestore(_T->lock, _T->flags),
+ unsigned long flags)
+
/**
* snd_pcm_group_for_each_entry - iterate over the linked substreams
* @s: the iterator
#ifdef CONFIG_PM
void snd_sbmixer_suspend(struct snd_sb *chip);
void snd_sbmixer_resume(struct snd_sb *chip);
+#else
+static inline void snd_sbmixer_suspend(struct snd_sb *chip) {}
+static inline void snd_sbmixer_resume(struct snd_sb *chip) {}
#endif
/* sb8_init.c */
#include <linux/virtio_types.h>
+/*******************************************************************************
+ * FEATURE BITS
+ */
+enum {
+ /* device supports control elements */
+ VIRTIO_SND_F_CTLS = 0
+};
+
/*******************************************************************************
* CONFIGURATION SPACE
*/
__le32 streams;
/* # of available channel maps */
__le32 chmaps;
+ /* # of available control elements */
+ __le32 controls;
};
enum {
/* channel map control request types */
VIRTIO_SND_R_CHMAP_INFO = 0x0200,
+ /* control element request types */
+ VIRTIO_SND_R_CTL_INFO = 0x0300,
+ VIRTIO_SND_R_CTL_ENUM_ITEMS,
+ VIRTIO_SND_R_CTL_READ,
+ VIRTIO_SND_R_CTL_WRITE,
+ VIRTIO_SND_R_CTL_TLV_READ,
+ VIRTIO_SND_R_CTL_TLV_WRITE,
+ VIRTIO_SND_R_CTL_TLV_COMMAND,
+
/* jack event types */
VIRTIO_SND_EVT_JACK_CONNECTED = 0x1000,
VIRTIO_SND_EVT_JACK_DISCONNECTED,
VIRTIO_SND_EVT_PCM_PERIOD_ELAPSED = 0x1100,
VIRTIO_SND_EVT_PCM_XRUN,
+ /* control element event types */
+ VIRTIO_SND_EVT_CTL_NOTIFY = 0x1200,
+
/* common status codes */
VIRTIO_SND_S_OK = 0x8000,
VIRTIO_SND_S_BAD_MSG,
__u8 positions[VIRTIO_SND_CHMAP_MAX_SIZE];
};
+/*******************************************************************************
+ * CONTROL ELEMENTS MESSAGES
+ */
+struct virtio_snd_ctl_hdr {
+ /* VIRTIO_SND_R_CTL_XXX */
+ struct virtio_snd_hdr hdr;
+ /* 0 ... virtio_snd_config::controls - 1 */
+ __le32 control_id;
+};
+
+/* supported roles for control elements */
+enum {
+ VIRTIO_SND_CTL_ROLE_UNDEFINED = 0,
+ VIRTIO_SND_CTL_ROLE_VOLUME,
+ VIRTIO_SND_CTL_ROLE_MUTE,
+ VIRTIO_SND_CTL_ROLE_GAIN
+};
+
+/* supported value types for control elements */
+enum {
+ VIRTIO_SND_CTL_TYPE_BOOLEAN = 0,
+ VIRTIO_SND_CTL_TYPE_INTEGER,
+ VIRTIO_SND_CTL_TYPE_INTEGER64,
+ VIRTIO_SND_CTL_TYPE_ENUMERATED,
+ VIRTIO_SND_CTL_TYPE_BYTES,
+ VIRTIO_SND_CTL_TYPE_IEC958
+};
+
+/* supported access rights for control elements */
+enum {
+ VIRTIO_SND_CTL_ACCESS_READ = 0,
+ VIRTIO_SND_CTL_ACCESS_WRITE,
+ VIRTIO_SND_CTL_ACCESS_VOLATILE,
+ VIRTIO_SND_CTL_ACCESS_INACTIVE,
+ VIRTIO_SND_CTL_ACCESS_TLV_READ,
+ VIRTIO_SND_CTL_ACCESS_TLV_WRITE,
+ VIRTIO_SND_CTL_ACCESS_TLV_COMMAND
+};
+
+struct virtio_snd_ctl_info {
+ /* common header */
+ struct virtio_snd_info hdr;
+ /* element role (VIRTIO_SND_CTL_ROLE_XXX) */
+ __le32 role;
+ /* element value type (VIRTIO_SND_CTL_TYPE_XXX) */
+ __le32 type;
+ /* element access right bit map (1 << VIRTIO_SND_CTL_ACCESS_XXX) */
+ __le32 access;
+ /* # of members in the element value */
+ __le32 count;
+ /* index for an element with a non-unique name */
+ __le32 index;
+ /* name identifier string for the element */
+ __u8 name[44];
+ /* additional information about the element's value */
+ union {
+ /* VIRTIO_SND_CTL_TYPE_INTEGER */
+ struct {
+ /* minimum supported value */
+ __le32 min;
+ /* maximum supported value */
+ __le32 max;
+ /* fixed step size for value (0 = variable size) */
+ __le32 step;
+ } integer;
+ /* VIRTIO_SND_CTL_TYPE_INTEGER64 */
+ struct {
+ /* minimum supported value */
+ __le64 min;
+ /* maximum supported value */
+ __le64 max;
+ /* fixed step size for value (0 = variable size) */
+ __le64 step;
+ } integer64;
+ /* VIRTIO_SND_CTL_TYPE_ENUMERATED */
+ struct {
+ /* # of options supported for value */
+ __le32 items;
+ } enumerated;
+ } value;
+};
+
+struct virtio_snd_ctl_enum_item {
+ /* option name */
+ __u8 item[64];
+};
+
+struct virtio_snd_ctl_iec958 {
+ /* AES/IEC958 channel status bits */
+ __u8 status[24];
+ /* AES/IEC958 subcode bits */
+ __u8 subcode[147];
+ /* nothing */
+ __u8 pad;
+ /* AES/IEC958 subframe bits */
+ __u8 dig_subframe[4];
+};
+
+struct virtio_snd_ctl_value {
+ union {
+ /* VIRTIO_SND_CTL_TYPE_BOOLEAN|INTEGER value */
+ __le32 integer[128];
+ /* VIRTIO_SND_CTL_TYPE_INTEGER64 value */
+ __le64 integer64[64];
+ /* VIRTIO_SND_CTL_TYPE_ENUMERATED value (option indexes) */
+ __le32 enumerated[128];
+ /* VIRTIO_SND_CTL_TYPE_BYTES value */
+ __u8 bytes[512];
+ /* VIRTIO_SND_CTL_TYPE_IEC958 value */
+ struct virtio_snd_ctl_iec958 iec958;
+ } value;
+};
+
+/* supported event reason types */
+enum {
+ /* element's value has changed */
+ VIRTIO_SND_CTL_EVT_MASK_VALUE = 0,
+ /* element's information has changed */
+ VIRTIO_SND_CTL_EVT_MASK_INFO,
+ /* element's metadata has changed */
+ VIRTIO_SND_CTL_EVT_MASK_TLV
+};
+
+struct virtio_snd_ctl_event {
+ /* VIRTIO_SND_EVT_CTL_NOTIFY */
+ struct virtio_snd_hdr hdr;
+ /* 0 ... virtio_snd_config::controls - 1 */
+ __le16 control_id;
+ /* event reason bit map (1 << VIRTIO_SND_CTL_EVT_MASK_XXX) */
+ __le16 mask;
+};
+
#endif /* VIRTIO_SND_IF_H */
sdev->pcmname = NULL;
}
-#ifdef CONFIG_PM_SLEEP
static int aoa_fabric_layout_suspend(struct device *dev)
{
struct layout_dev *ldev = dev_get_drvdata(dev);
return 0;
}
-static SIMPLE_DEV_PM_OPS(aoa_fabric_layout_pm_ops,
+static DEFINE_SIMPLE_DEV_PM_OPS(aoa_fabric_layout_pm_ops,
aoa_fabric_layout_suspend, aoa_fabric_layout_resume);
-#endif
-
static struct soundbus_driver aoa_soundbus_driver = {
.name = "snd_aoa_soundbus_drv",
.owner = THIS_MODULE,
.remove = aoa_fabric_layout_remove,
.driver = {
.owner = THIS_MODULE,
-#ifdef CONFIG_PM_SLEEP
.pm = &aoa_fabric_layout_pm_ops,
-#endif
}
};
/* soundbus_dev_attrs is declared in sysfs.c */
ATTRIBUTE_GROUPS(soundbus_dev);
-static struct bus_type soundbus_bus_type = {
+static const struct bus_type soundbus_bus_type = {
.name = "aoa-soundbus",
.probe = soundbus_probe,
.uevent = soundbus_uevent,
/*
* Power Management.
*/
-#ifdef CONFIG_PM
static int aaci_do_suspend(struct snd_card *card)
{
- struct aaci *aaci = card->private_data;
snd_power_change_state(card, SNDRV_CTL_POWER_D3cold);
return 0;
}
return card ? aaci_do_resume(card) : 0;
}
-static SIMPLE_DEV_PM_OPS(aaci_dev_pm_ops, aaci_suspend, aaci_resume);
-#define AACI_DEV_PM_OPS (&aaci_dev_pm_ops)
-#else
-#define AACI_DEV_PM_OPS NULL
-#endif
-
+static DEFINE_SIMPLE_DEV_PM_OPS(aaci_dev_pm_ops, aaci_suspend, aaci_resume);
static const struct ac97_pcm ac97_defs[] = {
[0] = { /* Front PCM */
static struct amba_driver aaci_driver = {
.drv = {
.name = DRIVER_NAME,
- .pm = AACI_DEV_PM_OPS,
+ .pm = &aaci_dev_pm_ops,
},
.probe = aaci_probe,
.remove = aaci_remove,
return snd_ac97_set_rate(pxa2xx_ac97_ac97, reg, runtime->rate);
}
-#ifdef CONFIG_PM_SLEEP
-
static int pxa2xx_ac97_do_suspend(struct snd_card *card)
{
pxa2xx_audio_ops_t *platform_ops = card->dev->platform_data;
return ret;
}
-static SIMPLE_DEV_PM_OPS(pxa2xx_ac97_pm_ops, pxa2xx_ac97_suspend, pxa2xx_ac97_resume);
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(pxa2xx_ac97_pm_ops, pxa2xx_ac97_suspend, pxa2xx_ac97_resume);
static const struct snd_pcm_ops pxa2xx_ac97_pcm_ops = {
.open = pxa2xx_ac97_pcm_open,
.remove_new = pxa2xx_ac97_remove,
.driver = {
.name = "pxa2xx-ac97",
-#ifdef CONFIG_PM_SLEEP
.pm = &pxa2xx_ac97_pm_ops,
-#endif
},
};
--- /dev/null
+CONFIG_KUNIT=y
+CONFIG_SOUND=y
+CONFIG_SND=y
+CONFIG_SND_PCM=y
+CONFIG_SND_CORE_TEST=y
legacy MIDI 1.0 byte streams is created for each UMP Endpoint.
The device contains 16 substreams corresponding to UMP groups.
+config SND_CORE_TEST
+ tristate "Sound core KUnit test"
+ depends on KUNIT
+ select SND_PCM
+ default KUNIT_ALL_TESTS
+ help
+ This options enables the sound core functions KUnit test.
+
+ KUnit tests run during boot and output the results to the debug
+ log in TAP format (https://testanything.org/). Only useful for
+ kernel devs running KUnit test harness and are not for inclusion
+ into a production build.
+
+ For more information on KUnit and unit tests in general, refer
+ to the KUnit documentation in Documentation/dev-tools/kunit/.
+
+
config SND_COMPRESS_OFFLOAD
tristate
obj-$(CONFIG_SND_RAWMIDI) += snd-rawmidi.o
obj-$(CONFIG_SND_UMP) += snd-ump.o
+obj-$(CONFIG_SND_CORE_TEST) += sound_kunit.o
+
obj-$(CONFIG_SND_OSSEMUL) += oss/
obj-$(CONFIG_SND_SEQUENCER) += seq/
init_waitqueue_head(&runtime->sleep);
data->stream.runtime = runtime;
f->private_data = (void *)data;
- mutex_lock(&compr->lock);
- ret = compr->ops->open(&data->stream);
- mutex_unlock(&compr->lock);
+ scoped_guard(mutex, &compr->lock)
+ ret = compr->ops->open(&data->stream);
if (ret) {
kfree(runtime);
kfree(data);
return -EFAULT;
stream = &data->stream;
- mutex_lock(&stream->device->lock);
+ guard(mutex)(&stream->device->lock);
/* write is allowed when stream is running or has been steup */
switch (stream->runtime->state) {
case SNDRV_PCM_STATE_SETUP:
case SNDRV_PCM_STATE_RUNNING:
break;
default:
- mutex_unlock(&stream->device->lock);
return -EBADFD;
}
pr_debug("stream prepared, Houston we are good to go\n");
}
- mutex_unlock(&stream->device->lock);
return retval;
}
return -EFAULT;
stream = &data->stream;
- mutex_lock(&stream->device->lock);
+ guard(mutex)(&stream->device->lock);
/* read is allowed when stream is running, paused, draining and setup
* (yes setup is state which we transition to after stop, so if user
case SNDRV_PCM_STATE_PREPARED:
case SNDRV_PCM_STATE_SUSPENDED:
case SNDRV_PCM_STATE_DISCONNECTED:
- retval = -EBADFD;
- goto out;
+ return -EBADFD;
case SNDRV_PCM_STATE_XRUN:
- retval = -EPIPE;
- goto out;
+ return -EPIPE;
}
avail = snd_compr_get_avail(stream);
if (avail > count)
avail = count;
- if (stream->ops->copy) {
+ if (stream->ops->copy)
retval = stream->ops->copy(stream, buf, avail);
- } else {
- retval = -ENXIO;
- goto out;
- }
+ else
+ return -ENXIO;
if (retval > 0)
stream->runtime->total_bytes_transferred += retval;
-out:
- mutex_unlock(&stream->device->lock);
return retval;
}
stream = &data->stream;
- mutex_lock(&stream->device->lock);
+ guard(mutex)(&stream->device->lock);
switch (stream->runtime->state) {
case SNDRV_PCM_STATE_OPEN:
case SNDRV_PCM_STATE_XRUN:
- retval = snd_compr_get_poll(stream) | EPOLLERR;
- goto out;
+ return snd_compr_get_poll(stream) | EPOLLERR;
default:
break;
}
retval = snd_compr_get_poll(stream);
break;
default:
- retval = snd_compr_get_poll(stream) | EPOLLERR;
- break;
+ return snd_compr_get_poll(stream) | EPOLLERR;
}
-out:
- mutex_unlock(&stream->device->lock);
+
return retval;
}
snd_compr_get_codec_caps(struct snd_compr_stream *stream, unsigned long arg)
{
int retval;
- struct snd_compr_codec_caps *caps;
+ struct snd_compr_codec_caps *caps __free(kfree) = NULL;
if (!stream->ops->get_codec_caps)
return -ENXIO;
retval = stream->ops->get_codec_caps(stream, caps);
if (retval)
- goto out;
+ return retval;
if (copy_to_user((void __user *)arg, caps, sizeof(*caps)))
- retval = -EFAULT;
-
-out:
- kfree(caps);
+ return -EFAULT;
return retval;
}
#endif /* !COMPR_CODEC_CAPS_OVERFLOW */
static int
snd_compr_set_params(struct snd_compr_stream *stream, unsigned long arg)
{
- struct snd_compr_params *params;
+ struct snd_compr_params *params __free(kfree) = NULL;
int retval;
if (stream->runtime->state == SNDRV_PCM_STATE_OPEN || stream->next_track) {
*/
params = memdup_user((void __user *)arg, sizeof(*params));
if (IS_ERR(params))
- return PTR_ERR(params);
+ return PTR_ERR(no_free_ptr(params));
retval = snd_compress_check_input(params);
if (retval)
- goto out;
+ return retval;
retval = snd_compr_allocate_buffer(stream, params);
- if (retval) {
- retval = -ENOMEM;
- goto out;
- }
+ if (retval)
+ return -ENOMEM;
retval = stream->ops->set_params(stream, params);
if (retval)
- goto out;
+ return retval;
if (stream->next_track)
- goto out;
+ return retval;
stream->metadata_set = false;
stream->next_track = false;
} else {
return -EPERM;
}
-out:
- kfree(params);
return retval;
}
static int
snd_compr_get_params(struct snd_compr_stream *stream, unsigned long arg)
{
- struct snd_codec *params;
+ struct snd_codec *params __free(kfree) = NULL;
int retval;
if (!stream->ops->get_params)
return -ENOMEM;
retval = stream->ops->get_params(stream, params);
if (retval)
- goto out;
+ return retval;
if (copy_to_user((char __user *)arg, params, sizeof(*params)))
- retval = -EFAULT;
-
-out:
- kfree(params);
+ return -EFAULT;
return retval;
}
stream = container_of(work, struct snd_compr_stream, error_work.work);
- mutex_lock(&stream->device->lock);
+ guard(mutex)(&stream->device->lock);
stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_STOP);
wake_up(&stream->runtime->sleep);
-
- mutex_unlock(&stream->device->lock);
}
/**
{
struct snd_compr_file *data = f->private_data;
struct snd_compr_stream *stream;
- int retval = -ENOTTY;
if (snd_BUG_ON(!data))
return -EFAULT;
stream = &data->stream;
- mutex_lock(&stream->device->lock);
+ guard(mutex)(&stream->device->lock);
switch (_IOC_NR(cmd)) {
case _IOC_NR(SNDRV_COMPRESS_IOCTL_VERSION):
- retval = put_user(SNDRV_COMPRESS_VERSION,
+ return put_user(SNDRV_COMPRESS_VERSION,
(int __user *)arg) ? -EFAULT : 0;
- break;
case _IOC_NR(SNDRV_COMPRESS_GET_CAPS):
- retval = snd_compr_get_caps(stream, arg);
- break;
+ return snd_compr_get_caps(stream, arg);
#ifndef COMPR_CODEC_CAPS_OVERFLOW
case _IOC_NR(SNDRV_COMPRESS_GET_CODEC_CAPS):
- retval = snd_compr_get_codec_caps(stream, arg);
- break;
+ return snd_compr_get_codec_caps(stream, arg);
#endif
case _IOC_NR(SNDRV_COMPRESS_SET_PARAMS):
- retval = snd_compr_set_params(stream, arg);
- break;
+ return snd_compr_set_params(stream, arg);
case _IOC_NR(SNDRV_COMPRESS_GET_PARAMS):
- retval = snd_compr_get_params(stream, arg);
- break;
+ return snd_compr_get_params(stream, arg);
case _IOC_NR(SNDRV_COMPRESS_SET_METADATA):
- retval = snd_compr_set_metadata(stream, arg);
- break;
+ return snd_compr_set_metadata(stream, arg);
case _IOC_NR(SNDRV_COMPRESS_GET_METADATA):
- retval = snd_compr_get_metadata(stream, arg);
- break;
+ return snd_compr_get_metadata(stream, arg);
case _IOC_NR(SNDRV_COMPRESS_TSTAMP):
- retval = snd_compr_tstamp(stream, arg);
- break;
+ return snd_compr_tstamp(stream, arg);
case _IOC_NR(SNDRV_COMPRESS_AVAIL):
- retval = snd_compr_ioctl_avail(stream, arg);
- break;
+ return snd_compr_ioctl_avail(stream, arg);
case _IOC_NR(SNDRV_COMPRESS_PAUSE):
- retval = snd_compr_pause(stream);
- break;
+ return snd_compr_pause(stream);
case _IOC_NR(SNDRV_COMPRESS_RESUME):
- retval = snd_compr_resume(stream);
- break;
+ return snd_compr_resume(stream);
case _IOC_NR(SNDRV_COMPRESS_START):
- retval = snd_compr_start(stream);
- break;
+ return snd_compr_start(stream);
case _IOC_NR(SNDRV_COMPRESS_STOP):
- retval = snd_compr_stop(stream);
- break;
+ return snd_compr_stop(stream);
case _IOC_NR(SNDRV_COMPRESS_DRAIN):
- retval = snd_compr_drain(stream);
- break;
+ return snd_compr_drain(stream);
case _IOC_NR(SNDRV_COMPRESS_PARTIAL_DRAIN):
- retval = snd_compr_partial_drain(stream);
- break;
+ return snd_compr_partial_drain(stream);
case _IOC_NR(SNDRV_COMPRESS_NEXT_TRACK):
- retval = snd_compr_next_track(stream);
- break;
-
+ return snd_compr_next_track(stream);
}
- mutex_unlock(&stream->device->lock);
- return retval;
+
+ return -ENOTTY;
}
/* support of 32bit userspace on 64bit platforms */
static int snd_ctl_open(struct inode *inode, struct file *file)
{
- unsigned long flags;
struct snd_card *card;
struct snd_ctl_file *ctl;
int i, err;
ctl->preferred_subdevice[i] = -1;
ctl->pid = get_pid(task_pid(current));
file->private_data = ctl;
- write_lock_irqsave(&card->ctl_files_rwlock, flags);
- list_add_tail(&ctl->list, &card->ctl_files);
- write_unlock_irqrestore(&card->ctl_files_rwlock, flags);
+ scoped_guard(write_lock_irqsave, &card->ctl_files_rwlock)
+ list_add_tail(&ctl->list, &card->ctl_files);
snd_card_unref(card);
return 0;
static void snd_ctl_empty_read_queue(struct snd_ctl_file * ctl)
{
- unsigned long flags;
struct snd_kctl_event *cread;
- spin_lock_irqsave(&ctl->read_lock, flags);
+ guard(spinlock_irqsave)(&ctl->read_lock);
while (!list_empty(&ctl->events)) {
cread = snd_kctl_event(ctl->events.next);
list_del(&cread->list);
kfree(cread);
}
- spin_unlock_irqrestore(&ctl->read_lock, flags);
}
static int snd_ctl_release(struct inode *inode, struct file *file)
{
- unsigned long flags;
struct snd_card *card;
struct snd_ctl_file *ctl;
struct snd_kcontrol *control;
ctl = file->private_data;
file->private_data = NULL;
card = ctl->card;
- write_lock_irqsave(&card->ctl_files_rwlock, flags);
- list_del(&ctl->list);
- write_unlock_irqrestore(&card->ctl_files_rwlock, flags);
- down_write(&card->controls_rwsem);
- list_for_each_entry(control, &card->controls, list)
- for (idx = 0; idx < control->count; idx++)
- if (control->vd[idx].owner == ctl)
- control->vd[idx].owner = NULL;
- up_write(&card->controls_rwsem);
+
+ scoped_guard(write_lock_irqsave, &card->ctl_files_rwlock)
+ list_del(&ctl->list);
+
+ scoped_guard(rwsem_write, &card->controls_rwsem) {
+ list_for_each_entry(control, &card->controls, list)
+ for (idx = 0; idx < control->count; idx++)
+ if (control->vd[idx].owner == ctl)
+ control->vd[idx].owner = NULL;
+ }
+
snd_fasync_free(ctl->fasync);
snd_ctl_empty_read_queue(ctl);
put_pid(ctl->pid);
void snd_ctl_notify(struct snd_card *card, unsigned int mask,
struct snd_ctl_elem_id *id)
{
- unsigned long flags;
struct snd_ctl_file *ctl;
struct snd_kctl_event *ev;
return;
if (card->shutdown)
return;
- read_lock_irqsave(&card->ctl_files_rwlock, flags);
+
+ guard(read_lock_irqsave)(&card->ctl_files_rwlock);
#if IS_ENABLED(CONFIG_SND_MIXER_OSS)
card->mixer_oss_change_count++;
#endif
list_for_each_entry(ctl, &card->ctl_files, list) {
if (!ctl->subscribed)
continue;
- spin_lock(&ctl->read_lock);
- list_for_each_entry(ev, &ctl->events, list) {
- if (ev->id.numid == id->numid) {
- ev->mask |= mask;
- goto _found;
+ scoped_guard(spinlock, &ctl->read_lock) {
+ list_for_each_entry(ev, &ctl->events, list) {
+ if (ev->id.numid == id->numid) {
+ ev->mask |= mask;
+ goto _found;
+ }
}
+ ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
+ if (ev) {
+ ev->id = *id;
+ ev->mask = mask;
+ list_add_tail(&ev->list, &ctl->events);
+ } else {
+ dev_err(card->dev, "No memory available to allocate event\n");
+ }
+_found:
+ wake_up(&ctl->change_sleep);
}
- ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
- if (ev) {
- ev->id = *id;
- ev->mask = mask;
- list_add_tail(&ev->list, &ctl->events);
- } else {
- dev_err(card->dev, "No memory available to allocate event\n");
- }
- _found:
- wake_up(&ctl->change_sleep);
- spin_unlock(&ctl->read_lock);
snd_kill_fasync(ctl->fasync, SIGIO, POLL_IN);
}
- read_unlock_irqrestore(&card->ctl_files_rwlock, flags);
}
EXPORT_SYMBOL(snd_ctl_notify);
id.index += ioff;
id.numid += ioff;
snd_ctl_notify(card, mask, &id);
- down_read(&snd_ctl_layer_rwsem);
+ guard(rwsem_read)(&snd_ctl_layer_rwsem);
for (lops = snd_ctl_layer; lops; lops = lops->next)
lops->lnotify(card, mask, kctl, ioff);
- up_read(&snd_ctl_layer_rwsem);
}
EXPORT_SYMBOL(snd_ctl_notify_one);
if (snd_BUG_ON(!card || !kcontrol->info))
goto error;
- down_write(&card->controls_rwsem);
- err = __snd_ctl_add_replace(card, kcontrol, mode);
- up_write(&card->controls_rwsem);
+ scoped_guard(rwsem_write, &card->controls_rwsem)
+ err = __snd_ctl_add_replace(card, kcontrol, mode);
+
if (err < 0)
goto error;
return 0;
*/
int snd_ctl_remove(struct snd_card *card, struct snd_kcontrol *kcontrol)
{
- int ret;
-
- down_write(&card->controls_rwsem);
- ret = snd_ctl_remove_locked(card, kcontrol);
- up_write(&card->controls_rwsem);
- return ret;
+ guard(rwsem_write)(&card->controls_rwsem);
+ return snd_ctl_remove_locked(card, kcontrol);
}
EXPORT_SYMBOL(snd_ctl_remove);
int snd_ctl_remove_id(struct snd_card *card, struct snd_ctl_elem_id *id)
{
struct snd_kcontrol *kctl;
- int ret;
- down_write(&card->controls_rwsem);
+ guard(rwsem_write)(&card->controls_rwsem);
kctl = snd_ctl_find_id_locked(card, id);
- if (kctl == NULL) {
- up_write(&card->controls_rwsem);
+ if (kctl == NULL)
return -ENOENT;
- }
- ret = snd_ctl_remove_locked(card, kctl);
- up_write(&card->controls_rwsem);
- return ret;
+ return snd_ctl_remove_locked(card, kctl);
}
EXPORT_SYMBOL(snd_ctl_remove_id);
{
struct snd_card *card = file->card;
struct snd_kcontrol *kctl;
- int idx, ret;
+ int idx;
- down_write(&card->controls_rwsem);
+ guard(rwsem_write)(&card->controls_rwsem);
kctl = snd_ctl_find_id_locked(card, id);
- if (kctl == NULL) {
- ret = -ENOENT;
- goto error;
- }
- if (!(kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_USER)) {
- ret = -EINVAL;
- goto error;
- }
+ if (kctl == NULL)
+ return -ENOENT;
+ if (!(kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_USER))
+ return -EINVAL;
for (idx = 0; idx < kctl->count; idx++)
- if (kctl->vd[idx].owner != NULL && kctl->vd[idx].owner != file) {
- ret = -EBUSY;
- goto error;
- }
- ret = snd_ctl_remove_locked(card, kctl);
-error:
- up_write(&card->controls_rwsem);
- return ret;
+ if (kctl->vd[idx].owner != NULL && kctl->vd[idx].owner != file)
+ return -EBUSY;
+ return snd_ctl_remove_locked(card, kctl);
}
/**
struct snd_kcontrol *kctl;
int saved_numid;
- down_write(&card->controls_rwsem);
+ guard(rwsem_write)(&card->controls_rwsem);
kctl = snd_ctl_find_id_locked(card, src_id);
- if (kctl == NULL) {
- up_write(&card->controls_rwsem);
+ if (kctl == NULL)
return -ENOENT;
- }
saved_numid = kctl->id.numid;
remove_hash_entries(card, kctl);
kctl->id = *dst_id;
kctl->id.numid = saved_numid;
add_hash_entries(card, kctl);
- up_write(&card->controls_rwsem);
return 0;
}
EXPORT_SYMBOL(snd_ctl_rename_id);
void snd_ctl_rename(struct snd_card *card, struct snd_kcontrol *kctl,
const char *name)
{
- down_write(&card->controls_rwsem);
+ guard(rwsem_write)(&card->controls_rwsem);
remove_hash_entries(card, kctl);
if (strscpy(kctl->id.name, name, sizeof(kctl->id.name)) < 0)
name, kctl->id.name);
add_hash_entries(card, kctl);
- up_write(&card->controls_rwsem);
}
EXPORT_SYMBOL(snd_ctl_rename);
struct snd_kcontrol *snd_ctl_find_numid(struct snd_card *card,
unsigned int numid)
{
- struct snd_kcontrol *kctl;
-
- down_read(&card->controls_rwsem);
- kctl = snd_ctl_find_numid_locked(card, numid);
- up_read(&card->controls_rwsem);
- return kctl;
+ guard(rwsem_read)(&card->controls_rwsem);
+ return snd_ctl_find_numid_locked(card, numid);
}
EXPORT_SYMBOL(snd_ctl_find_numid);
struct snd_kcontrol *snd_ctl_find_id(struct snd_card *card,
const struct snd_ctl_elem_id *id)
{
- struct snd_kcontrol *kctl;
-
- down_read(&card->controls_rwsem);
- kctl = snd_ctl_find_id_locked(card, id);
- up_read(&card->controls_rwsem);
- return kctl;
+ guard(rwsem_read)(&card->controls_rwsem);
+ return snd_ctl_find_id_locked(card, id);
}
EXPORT_SYMBOL(snd_ctl_find_id);
static int snd_ctl_card_info(struct snd_card *card, struct snd_ctl_file * ctl,
unsigned int cmd, void __user *arg)
{
- struct snd_ctl_card_info *info;
+ struct snd_ctl_card_info *info __free(kfree) = NULL;
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (! info)
return -ENOMEM;
- down_read(&snd_ioctl_rwsem);
- info->card = card->number;
- strscpy(info->id, card->id, sizeof(info->id));
- strscpy(info->driver, card->driver, sizeof(info->driver));
- strscpy(info->name, card->shortname, sizeof(info->name));
- strscpy(info->longname, card->longname, sizeof(info->longname));
- strscpy(info->mixername, card->mixername, sizeof(info->mixername));
- strscpy(info->components, card->components, sizeof(info->components));
- up_read(&snd_ioctl_rwsem);
- if (copy_to_user(arg, info, sizeof(struct snd_ctl_card_info))) {
- kfree(info);
+ scoped_guard(rwsem_read, &snd_ioctl_rwsem) {
+ info->card = card->number;
+ strscpy(info->id, card->id, sizeof(info->id));
+ strscpy(info->driver, card->driver, sizeof(info->driver));
+ strscpy(info->name, card->shortname, sizeof(info->name));
+ strscpy(info->longname, card->longname, sizeof(info->longname));
+ strscpy(info->mixername, card->mixername, sizeof(info->mixername));
+ strscpy(info->components, card->components, sizeof(info->components));
+ }
+ if (copy_to_user(arg, info, sizeof(struct snd_ctl_card_info)))
return -EFAULT;
- }
- kfree(info);
return 0;
}
struct snd_kcontrol *kctl;
struct snd_ctl_elem_id id;
unsigned int offset, space, jidx;
- int err = 0;
offset = list->offset;
space = list->space;
- down_read(&card->controls_rwsem);
+ guard(rwsem_read)(&card->controls_rwsem);
list->count = card->controls_count;
list->used = 0;
- if (space > 0) {
- list_for_each_entry(kctl, &card->controls, list) {
- if (offset >= kctl->count) {
- offset -= kctl->count;
- continue;
- }
- for (jidx = offset; jidx < kctl->count; jidx++) {
- snd_ctl_build_ioff(&id, kctl, jidx);
- if (copy_to_user(list->pids + list->used, &id,
- sizeof(id))) {
- err = -EFAULT;
- goto out;
- }
- list->used++;
- if (!--space)
- goto out;
- }
- offset = 0;
+ if (!space)
+ return 0;
+ list_for_each_entry(kctl, &card->controls, list) {
+ if (offset >= kctl->count) {
+ offset -= kctl->count;
+ continue;
}
+ for (jidx = offset; jidx < kctl->count; jidx++) {
+ snd_ctl_build_ioff(&id, kctl, jidx);
+ if (copy_to_user(list->pids + list->used, &id, sizeof(id)))
+ return -EFAULT;
+ list->used++;
+ if (!--space)
+ return 0;
+ }
+ offset = 0;
}
- out:
- up_read(&card->controls_rwsem);
- return err;
+ return 0;
}
static int snd_ctl_elem_list_user(struct snd_card *card,
{
struct snd_card *card = ctl->card;
struct snd_kcontrol *kctl;
- int result;
- down_read(&card->controls_rwsem);
+ guard(rwsem_read)(&card->controls_rwsem);
kctl = snd_ctl_find_id_locked(card, &info->id);
- if (kctl == NULL)
- result = -ENOENT;
- else
- result = __snd_ctl_elem_info(card, kctl, info, ctl);
- up_read(&card->controls_rwsem);
- return result;
+ if (!kctl)
+ return -ENOENT;
+ return __snd_ctl_elem_info(card, kctl, info, ctl);
}
static int snd_ctl_elem_info_user(struct snd_ctl_file *ctl,
const u32 pattern = 0xdeadbeef;
int ret;
- down_read(&card->controls_rwsem);
+ guard(rwsem_read)(&card->controls_rwsem);
kctl = snd_ctl_find_id_locked(card, &control->id);
- if (kctl == NULL) {
- ret = -ENOENT;
- goto unlock;
- }
+ if (!kctl)
+ return -ENOENT;
index_offset = snd_ctl_get_ioff(kctl, &control->id);
vd = &kctl->vd[index_offset];
- if (!(vd->access & SNDRV_CTL_ELEM_ACCESS_READ) || kctl->get == NULL) {
- ret = -EPERM;
- goto unlock;
- }
+ if (!(vd->access & SNDRV_CTL_ELEM_ACCESS_READ) || !kctl->get)
+ return -EPERM;
snd_ctl_build_ioff(&control->id, kctl, index_offset);
info.id = control->id;
ret = __snd_ctl_elem_info(card, kctl, &info, NULL);
if (ret < 0)
- goto unlock;
+ return ret;
#endif
if (!snd_ctl_skip_validation(&info))
ret = kctl->get(kctl, control);
snd_power_unref(card);
if (ret < 0)
- goto unlock;
+ return ret;
if (!snd_ctl_skip_validation(&info) &&
sanity_check_elem_value(card, control, &info, pattern) < 0) {
dev_err(card->dev,
control->id.iface, control->id.device,
control->id.subdevice, control->id.name,
control->id.index);
- ret = -EINVAL;
- goto unlock;
+ return -EINVAL;
}
-unlock:
- up_read(&card->controls_rwsem);
- return ret;
+ return 0;
}
static int snd_ctl_elem_read_user(struct snd_card *card,
struct snd_ctl_elem_value __user *_control)
{
- struct snd_ctl_elem_value *control;
+ struct snd_ctl_elem_value *control __free(kfree) = NULL;
int result;
control = memdup_user(_control, sizeof(*control));
if (IS_ERR(control))
- return PTR_ERR(control);
+ return PTR_ERR(no_free_ptr(control));
result = snd_ctl_elem_read(card, control);
if (result < 0)
- goto error;
+ return result;
if (copy_to_user(_control, control, sizeof(*control)))
- result = -EFAULT;
- error:
- kfree(control);
+ return -EFAULT;
return result;
}
static int snd_ctl_elem_write_user(struct snd_ctl_file *file,
struct snd_ctl_elem_value __user *_control)
{
- struct snd_ctl_elem_value *control;
+ struct snd_ctl_elem_value *control __free(kfree) = NULL;
struct snd_card *card;
int result;
control = memdup_user(_control, sizeof(*control));
if (IS_ERR(control))
- return PTR_ERR(control);
+ return PTR_ERR(no_free_ptr(control));
card = file->card;
result = snd_ctl_elem_write(card, file, control);
if (result < 0)
- goto error;
+ return result;
if (copy_to_user(_control, control, sizeof(*control)))
- result = -EFAULT;
- error:
- kfree(control);
+ return -EFAULT;
return result;
}
struct snd_ctl_elem_id id;
struct snd_kcontrol *kctl;
struct snd_kcontrol_volatile *vd;
- int result;
if (copy_from_user(&id, _id, sizeof(id)))
return -EFAULT;
- down_write(&card->controls_rwsem);
+ guard(rwsem_write)(&card->controls_rwsem);
kctl = snd_ctl_find_id_locked(card, &id);
- if (kctl == NULL) {
- result = -ENOENT;
- } else {
- vd = &kctl->vd[snd_ctl_get_ioff(kctl, &id)];
- if (vd->owner != NULL)
- result = -EBUSY;
- else {
- vd->owner = file;
- result = 0;
- }
- }
- up_write(&card->controls_rwsem);
- return result;
+ if (!kctl)
+ return -ENOENT;
+ vd = &kctl->vd[snd_ctl_get_ioff(kctl, &id)];
+ if (vd->owner)
+ return -EBUSY;
+ vd->owner = file;
+ return 0;
}
static int snd_ctl_elem_unlock(struct snd_ctl_file *file,
struct snd_ctl_elem_id id;
struct snd_kcontrol *kctl;
struct snd_kcontrol_volatile *vd;
- int result;
if (copy_from_user(&id, _id, sizeof(id)))
return -EFAULT;
- down_write(&card->controls_rwsem);
+ guard(rwsem_write)(&card->controls_rwsem);
kctl = snd_ctl_find_id_locked(card, &id);
- if (kctl == NULL) {
- result = -ENOENT;
- } else {
- vd = &kctl->vd[snd_ctl_get_ioff(kctl, &id)];
- if (vd->owner == NULL)
- result = -EINVAL;
- else if (vd->owner != file)
- result = -EPERM;
- else {
- vd->owner = NULL;
- result = 0;
- }
- }
- up_write(&card->controls_rwsem);
- return result;
+ if (!kctl)
+ return -ENOENT;
+ vd = &kctl->vd[snd_ctl_get_ioff(kctl, &id)];
+ if (!vd->owner)
+ return -EINVAL;
+ if (vd->owner != file)
+ return -EPERM;
+ vd->owner = NULL;
+ return 0;
}
struct user_element {
private_size = value_sizes[info->type] * info->count;
alloc_size = compute_user_elem_size(private_size, count);
- down_write(&card->controls_rwsem);
- if (check_user_elem_overflow(card, alloc_size)) {
- err = -ENOMEM;
- goto unlock;
- }
+ guard(rwsem_write)(&card->controls_rwsem);
+ if (check_user_elem_overflow(card, alloc_size))
+ return -ENOMEM;
/*
* Keep memory object for this userspace control. After passing this
*/
err = snd_ctl_new(&kctl, count, access, file);
if (err < 0)
- goto unlock;
+ return err;
memcpy(&kctl->id, &info->id, sizeof(kctl->id));
ue = kzalloc(alloc_size, GFP_KERNEL);
if (!ue) {
kfree(kctl);
- err = -ENOMEM;
- goto unlock;
+ return -ENOMEM;
}
kctl->private_data = ue;
kctl->private_free = snd_ctl_elem_user_free;
err = snd_ctl_elem_init_enum_names(ue);
if (err < 0) {
snd_ctl_free_one(kctl);
- goto unlock;
+ return err;
}
}
err = __snd_ctl_add_replace(card, kctl, CTL_ADD_EXCLUSIVE);
if (err < 0) {
snd_ctl_free_one(kctl);
- goto unlock;
+ return err;
}
offset = snd_ctl_get_ioff(kctl, &info->id);
snd_ctl_build_ioff(&info->id, kctl, offset);
* applications because the field originally means PID of a process
* which locks the element.
*/
- unlock:
- up_write(&card->controls_rwsem);
- return err;
+ return 0;
}
static int snd_ctl_elem_add_user(struct snd_ctl_file *file,
case SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS:
return snd_ctl_subscribe_events(ctl, ip);
case SNDRV_CTL_IOCTL_TLV_READ:
- down_read(&ctl->card->controls_rwsem);
- err = snd_ctl_tlv_ioctl(ctl, argp, SNDRV_CTL_TLV_OP_READ);
- up_read(&ctl->card->controls_rwsem);
+ scoped_guard(rwsem_read, &ctl->card->controls_rwsem)
+ err = snd_ctl_tlv_ioctl(ctl, argp, SNDRV_CTL_TLV_OP_READ);
return err;
case SNDRV_CTL_IOCTL_TLV_WRITE:
- down_write(&ctl->card->controls_rwsem);
- err = snd_ctl_tlv_ioctl(ctl, argp, SNDRV_CTL_TLV_OP_WRITE);
- up_write(&ctl->card->controls_rwsem);
+ scoped_guard(rwsem_write, &ctl->card->controls_rwsem)
+ err = snd_ctl_tlv_ioctl(ctl, argp, SNDRV_CTL_TLV_OP_WRITE);
return err;
case SNDRV_CTL_IOCTL_TLV_COMMAND:
- down_write(&ctl->card->controls_rwsem);
- err = snd_ctl_tlv_ioctl(ctl, argp, SNDRV_CTL_TLV_OP_CMD);
- up_write(&ctl->card->controls_rwsem);
+ scoped_guard(rwsem_write, &ctl->card->controls_rwsem)
+ err = snd_ctl_tlv_ioctl(ctl, argp, SNDRV_CTL_TLV_OP_CMD);
return err;
case SNDRV_CTL_IOCTL_POWER:
return -ENOPROTOOPT;
case SNDRV_CTL_IOCTL_POWER_STATE:
return put_user(SNDRV_CTL_POWER_D0, ip) ? -EFAULT : 0;
}
- down_read(&snd_ioctl_rwsem);
+
+ guard(rwsem_read)(&snd_ioctl_rwsem);
list_for_each_entry(p, &snd_control_ioctls, list) {
err = p->fioctl(card, ctl, cmd, arg);
- if (err != -ENOIOCTLCMD) {
- up_read(&snd_ioctl_rwsem);
+ if (err != -ENOIOCTLCMD)
return err;
- }
}
- up_read(&snd_ioctl_rwsem);
dev_dbg(card->dev, "unknown ioctl = 0x%x\n", cmd);
return -ENOTTY;
}
if (pn == NULL)
return -ENOMEM;
pn->fioctl = fcn;
- down_write(&snd_ioctl_rwsem);
+ guard(rwsem_write)(&snd_ioctl_rwsem);
list_add_tail(&pn->list, lists);
- up_write(&snd_ioctl_rwsem);
return 0;
}
if (snd_BUG_ON(!fcn))
return -EINVAL;
- down_write(&snd_ioctl_rwsem);
+ guard(rwsem_write)(&snd_ioctl_rwsem);
list_for_each_entry(p, lists, list) {
if (p->fioctl == fcn) {
list_del(&p->list);
- up_write(&snd_ioctl_rwsem);
kfree(p);
return 0;
}
}
- up_write(&snd_ioctl_rwsem);
snd_BUG();
return -EINVAL;
}
{
struct snd_ctl_file *kctl;
int subdevice = -1;
- unsigned long flags;
- read_lock_irqsave(&card->ctl_files_rwlock, flags);
+ guard(read_lock_irqsave)(&card->ctl_files_rwlock);
list_for_each_entry(kctl, &card->ctl_files, list) {
if (kctl->pid == task_pid(current)) {
subdevice = kctl->preferred_subdevice[type];
break;
}
}
- read_unlock_irqrestore(&card->ctl_files_rwlock, flags);
return subdevice;
}
EXPORT_SYMBOL_GPL(snd_ctl_get_preferred_subdevice);
if (module_name == NULL)
return 0;
- down_read(&snd_ctl_layer_rwsem);
- for (lops = snd_ctl_layer; lops; lops = lops->next)
- if (strcmp(lops->module_name, module_name) == 0)
- break;
- up_read(&snd_ctl_layer_rwsem);
- if (lops)
- return 0;
+ scoped_guard(rwsem_read, &snd_ctl_layer_rwsem) {
+ for (lops = snd_ctl_layer; lops; lops = lops->next)
+ if (strcmp(lops->module_name, module_name) == 0)
+ return 0;
+ }
return request_module(module_name);
}
EXPORT_SYMBOL_GPL(snd_ctl_request_layer);
struct snd_card *card;
int card_number;
- down_write(&snd_ctl_layer_rwsem);
- lops->next = snd_ctl_layer;
- snd_ctl_layer = lops;
- up_write(&snd_ctl_layer_rwsem);
+ scoped_guard(rwsem_write, &snd_ctl_layer_rwsem) {
+ lops->next = snd_ctl_layer;
+ snd_ctl_layer = lops;
+ }
for (card_number = 0; card_number < SNDRV_CARDS; card_number++) {
card = snd_card_ref(card_number);
if (card) {
- down_read(&card->controls_rwsem);
- lops->lregister(card);
- up_read(&card->controls_rwsem);
+ scoped_guard(rwsem_read, &card->controls_rwsem)
+ lops->lregister(card);
snd_card_unref(card);
}
}
{
struct snd_ctl_layer_ops *lops2, *prev_lops2;
- down_write(&snd_ctl_layer_rwsem);
+ guard(rwsem_write)(&snd_ctl_layer_rwsem);
for (lops2 = snd_ctl_layer, prev_lops2 = NULL; lops2; lops2 = lops2->next) {
if (lops2 == lops) {
if (!prev_lops2)
}
prev_lops2 = lops2;
}
- up_write(&snd_ctl_layer_rwsem);
}
EXPORT_SYMBOL_GPL(snd_ctl_disconnect_layer);
.fasync = snd_ctl_fasync,
};
+/* call lops under rwsems; called from snd_ctl_dev_*() below() */
+#define call_snd_ctl_lops(_card, _op) \
+ do { \
+ struct snd_ctl_layer_ops *lops; \
+ guard(rwsem_read)(&(_card)->controls_rwsem); \
+ guard(rwsem_read)(&snd_ctl_layer_rwsem); \
+ for (lops = snd_ctl_layer; lops; lops = lops->next) \
+ lops->_op(_card); \
+ } while (0)
+
/*
* registration of the control device
*/
static int snd_ctl_dev_register(struct snd_device *device)
{
struct snd_card *card = device->device_data;
- struct snd_ctl_layer_ops *lops;
int err;
err = snd_register_device(SNDRV_DEVICE_TYPE_CONTROL, card, -1,
&snd_ctl_f_ops, card, card->ctl_dev);
if (err < 0)
return err;
- down_read(&card->controls_rwsem);
- down_read(&snd_ctl_layer_rwsem);
- for (lops = snd_ctl_layer; lops; lops = lops->next)
- lops->lregister(card);
- up_read(&snd_ctl_layer_rwsem);
- up_read(&card->controls_rwsem);
+ call_snd_ctl_lops(card, lregister);
return 0;
}
{
struct snd_card *card = device->device_data;
struct snd_ctl_file *ctl;
- struct snd_ctl_layer_ops *lops;
- unsigned long flags;
- read_lock_irqsave(&card->ctl_files_rwlock, flags);
- list_for_each_entry(ctl, &card->ctl_files, list) {
- wake_up(&ctl->change_sleep);
- snd_kill_fasync(ctl->fasync, SIGIO, POLL_ERR);
+ scoped_guard(read_lock_irqsave, &card->ctl_files_rwlock) {
+ list_for_each_entry(ctl, &card->ctl_files, list) {
+ wake_up(&ctl->change_sleep);
+ snd_kill_fasync(ctl->fasync, SIGIO, POLL_ERR);
+ }
}
- read_unlock_irqrestore(&card->ctl_files_rwlock, flags);
-
- down_read(&card->controls_rwsem);
- down_read(&snd_ctl_layer_rwsem);
- for (lops = snd_ctl_layer; lops; lops = lops->next)
- lops->ldisconnect(card);
- up_read(&snd_ctl_layer_rwsem);
- up_read(&card->controls_rwsem);
+ call_snd_ctl_lops(card, ldisconnect);
return snd_unregister_device(card->ctl_dev);
}
struct snd_card *card = device->device_data;
struct snd_kcontrol *control;
- down_write(&card->controls_rwsem);
- while (!list_empty(&card->controls)) {
- control = snd_kcontrol(card->controls.next);
- __snd_ctl_remove(card, control, false);
- }
+ scoped_guard(rwsem_write, &card->controls_rwsem) {
+ while (!list_empty(&card->controls)) {
+ control = snd_kcontrol(card->controls.next);
+ __snd_ctl_remove(card, control, false);
+ }
#ifdef CONFIG_SND_CTL_FAST_LOOKUP
- xa_destroy(&card->ctl_numids);
- xa_destroy(&card->ctl_hash);
+ xa_destroy(&card->ctl_numids);
+ xa_destroy(&card->ctl_hash);
#endif
- up_write(&card->controls_rwsem);
+ }
put_device(card->ctl_dev);
return 0;
}
static int snd_ctl_elem_info_compat(struct snd_ctl_file *ctl,
struct snd_ctl_elem_info32 __user *data32)
{
- struct snd_ctl_elem_info *data;
+ struct snd_ctl_elem_info *data __free(kfree) = NULL;
int err;
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (! data)
return -ENOMEM;
- err = -EFAULT;
/* copy id */
if (copy_from_user(&data->id, &data32->id, sizeof(data->id)))
- goto error;
+ return -EFAULT;
/* we need to copy the item index.
* hope this doesn't break anything..
*/
if (get_user(data->value.enumerated.item, &data32->value.enumerated.item))
- goto error;
+ return -EFAULT;
err = snd_ctl_elem_info(ctl, data);
if (err < 0)
- goto error;
+ return err;
/* restore info to 32bit */
- err = -EFAULT;
/* id, type, access, count */
if (copy_to_user(&data32->id, &data->id, sizeof(data->id)) ||
copy_to_user(&data32->type, &data->type, 3 * sizeof(u32)))
- goto error;
+ return -EFAULT;
if (put_user(data->owner, &data32->owner))
- goto error;
+ return -EFAULT;
switch (data->type) {
case SNDRV_CTL_ELEM_TYPE_BOOLEAN:
case SNDRV_CTL_ELEM_TYPE_INTEGER:
if (put_user(data->value.integer.min, &data32->value.integer.min) ||
put_user(data->value.integer.max, &data32->value.integer.max) ||
put_user(data->value.integer.step, &data32->value.integer.step))
- goto error;
+ return -EFAULT;
break;
case SNDRV_CTL_ELEM_TYPE_INTEGER64:
if (copy_to_user(&data32->value.integer64,
&data->value.integer64,
sizeof(data->value.integer64)))
- goto error;
+ return -EFAULT;
break;
case SNDRV_CTL_ELEM_TYPE_ENUMERATED:
if (copy_to_user(&data32->value.enumerated,
&data->value.enumerated,
sizeof(data->value.enumerated)))
- goto error;
+ return -EFAULT;
break;
default:
break;
}
- err = 0;
- error:
- kfree(data);
- return err;
+ return 0;
}
/* read / write */
int *countp)
{
struct snd_kcontrol *kctl;
- struct snd_ctl_elem_info *info;
+ struct snd_ctl_elem_info *info __free(kfree) = NULL;
int err;
- down_read(&card->controls_rwsem);
+ guard(rwsem_read)(&card->controls_rwsem);
kctl = snd_ctl_find_id_locked(card, id);
- if (! kctl) {
- up_read(&card->controls_rwsem);
+ if (!kctl)
return -ENOENT;
- }
info = kzalloc(sizeof(*info), GFP_KERNEL);
- if (info == NULL) {
- up_read(&card->controls_rwsem);
+ if (info == NULL)
return -ENOMEM;
- }
info->id = *id;
err = snd_power_ref_and_wait(card);
if (!err)
err = kctl->info(kctl, info);
snd_power_unref(card);
- up_read(&card->controls_rwsem);
if (err >= 0) {
err = info->type;
*countp = info->count;
}
- kfree(info);
return err;
}
static int ctl_elem_read_user(struct snd_card *card,
void __user *userdata, void __user *valuep)
{
- struct snd_ctl_elem_value *data;
+ struct snd_ctl_elem_value *data __free(kfree) = NULL;
int err, type, count;
data = kzalloc(sizeof(*data), GFP_KERNEL);
err = copy_ctl_value_from_user(card, data, userdata, valuep,
&type, &count);
if (err < 0)
- goto error;
+ return err;
err = snd_ctl_elem_read(card, data);
if (err < 0)
- goto error;
- err = copy_ctl_value_to_user(userdata, valuep, data, type, count);
- error:
- kfree(data);
- return err;
+ return err;
+ return copy_ctl_value_to_user(userdata, valuep, data, type, count);
}
static int ctl_elem_write_user(struct snd_ctl_file *file,
void __user *userdata, void __user *valuep)
{
- struct snd_ctl_elem_value *data;
+ struct snd_ctl_elem_value *data __free(kfree) = NULL;
struct snd_card *card = file->card;
int err, type, count;
err = copy_ctl_value_from_user(card, data, userdata, valuep,
&type, &count);
if (err < 0)
- goto error;
+ return err;
err = snd_ctl_elem_write(card, file, data);
if (err < 0)
- goto error;
- err = copy_ctl_value_to_user(userdata, valuep, data, type, count);
- error:
- kfree(data);
- return err;
+ return err;
+ return copy_ctl_value_to_user(userdata, valuep, data, type, count);
}
static int snd_ctl_elem_read_user_compat(struct snd_card *card,
struct snd_ctl_elem_info32 __user *data32,
int replace)
{
- struct snd_ctl_elem_info *data;
- int err;
+ struct snd_ctl_elem_info *data __free(kfree) = NULL;
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (! data)
return -ENOMEM;
- err = -EFAULT;
/* id, type, access, count */ \
if (copy_from_user(&data->id, &data32->id, sizeof(data->id)) ||
copy_from_user(&data->type, &data32->type, 3 * sizeof(u32)))
- goto error;
+ return -EFAULT;
if (get_user(data->owner, &data32->owner))
- goto error;
+ return -EFAULT;
switch (data->type) {
case SNDRV_CTL_ELEM_TYPE_BOOLEAN:
case SNDRV_CTL_ELEM_TYPE_INTEGER:
if (get_user(data->value.integer.min, &data32->value.integer.min) ||
get_user(data->value.integer.max, &data32->value.integer.max) ||
get_user(data->value.integer.step, &data32->value.integer.step))
- goto error;
+ return -EFAULT;
break;
case SNDRV_CTL_ELEM_TYPE_INTEGER64:
if (copy_from_user(&data->value.integer64,
&data32->value.integer64,
sizeof(data->value.integer64)))
- goto error;
+ return -EFAULT;
break;
case SNDRV_CTL_ELEM_TYPE_ENUMERATED:
if (copy_from_user(&data->value.enumerated,
&data32->value.enumerated,
sizeof(data->value.enumerated)))
- goto error;
+ return -EFAULT;
data->value.enumerated.names_ptr =
(uintptr_t)compat_ptr(data->value.enumerated.names_ptr);
break;
default:
break;
}
- err = snd_ctl_elem_add(file, data, replace);
- error:
- kfree(data);
- return err;
+ return snd_ctl_elem_add(file, data, replace);
}
enum {
#endif /* CONFIG_X86_X32_ABI */
}
- down_read(&snd_ioctl_rwsem);
+ guard(rwsem_read)(&snd_ioctl_rwsem);
list_for_each_entry(p, &snd_control_compat_ioctls, list) {
if (p->fioctl) {
err = p->fioctl(ctl->card, ctl, cmd, arg);
- if (err != -ENOIOCTLCMD) {
- up_read(&snd_ioctl_rwsem);
+ if (err != -ENOIOCTLCMD)
return err;
- }
}
}
- up_read(&snd_ioctl_rwsem);
return -ENOIOCTLCMD;
}
return;
route = -1;
found = false;
- mutex_lock(&snd_ctl_led_mutex);
- /* the card may not be registered (active) at this point */
- if (card && !snd_ctl_led_card_valid[card->number]) {
- mutex_unlock(&snd_ctl_led_mutex);
- return;
- }
- list_for_each_entry(lctl, &led->controls, list) {
- if (lctl->kctl == kctl && lctl->index_offset == ioff)
- found = true;
- UPDATE_ROUTE(route, snd_ctl_led_get(lctl));
- }
- if (!found && kctl && card) {
- lctl = kzalloc(sizeof(*lctl), GFP_KERNEL);
- if (lctl) {
- lctl->card = card;
- lctl->access = access;
- lctl->kctl = kctl;
- lctl->index_offset = ioff;
- list_add(&lctl->list, &led->controls);
+ scoped_guard(mutex, &snd_ctl_led_mutex) {
+ /* the card may not be registered (active) at this point */
+ if (card && !snd_ctl_led_card_valid[card->number])
+ return;
+ list_for_each_entry(lctl, &led->controls, list) {
+ if (lctl->kctl == kctl && lctl->index_offset == ioff)
+ found = true;
UPDATE_ROUTE(route, snd_ctl_led_get(lctl));
}
+ if (!found && kctl && card) {
+ lctl = kzalloc(sizeof(*lctl), GFP_KERNEL);
+ if (lctl) {
+ lctl->card = card;
+ lctl->access = access;
+ lctl->kctl = kctl;
+ lctl->index_offset = ioff;
+ list_add(&lctl->list, &led->controls);
+ UPDATE_ROUTE(route, snd_ctl_led_get(lctl));
+ }
+ }
}
- mutex_unlock(&snd_ctl_led_mutex);
switch (led->mode) {
case MODE_OFF: route = 1; break;
case MODE_ON: route = 0; break;
struct snd_ctl_led_ctl *lctl;
unsigned int ret = 0;
- mutex_lock(&snd_ctl_led_mutex);
+ guard(mutex)(&snd_ctl_led_mutex);
lctl = snd_ctl_led_find(kctl, ioff);
if (lctl && (access == 0 || access != lctl->access)) {
ret = lctl->access;
list_del(&lctl->list);
kfree(lctl);
}
- mutex_unlock(&snd_ctl_led_mutex);
return ret;
}
}
}
+DEFINE_FREE(snd_card_unref, struct snd_card *, if (_T) snd_card_unref(_T))
+
static int snd_ctl_led_set_id(int card_number, struct snd_ctl_elem_id *id,
unsigned int group, bool set)
{
- struct snd_card *card;
+ struct snd_card *card __free(snd_card_unref) = NULL;
struct snd_kcontrol *kctl;
struct snd_kcontrol_volatile *vd;
unsigned int ioff, access, new_access;
- int err = 0;
card = snd_card_ref(card_number);
- if (card) {
- down_write(&card->controls_rwsem);
- kctl = snd_ctl_find_id_locked(card, id);
- if (kctl) {
- ioff = snd_ctl_get_ioff(kctl, id);
- vd = &kctl->vd[ioff];
- access = vd->access & SNDRV_CTL_ELEM_ACCESS_LED_MASK;
- if (access != 0 && access != group_to_access(group)) {
- err = -EXDEV;
- goto unlock;
- }
- new_access = vd->access & ~SNDRV_CTL_ELEM_ACCESS_LED_MASK;
- if (set)
- new_access |= group_to_access(group);
- if (new_access != vd->access) {
- vd->access = new_access;
- snd_ctl_led_notify(card, SNDRV_CTL_EVENT_MASK_INFO, kctl, ioff);
- }
- } else {
- err = -ENOENT;
- }
-unlock:
- up_write(&card->controls_rwsem);
- snd_card_unref(card);
- } else {
- err = -ENXIO;
+ if (!card)
+ return -ENXIO;
+ guard(rwsem_write)(&card->controls_rwsem);
+ kctl = snd_ctl_find_id_locked(card, id);
+ if (!kctl)
+ return -ENOENT;
+ ioff = snd_ctl_get_ioff(kctl, id);
+ vd = &kctl->vd[ioff];
+ access = vd->access & SNDRV_CTL_ELEM_ACCESS_LED_MASK;
+ if (access != 0 && access != group_to_access(group))
+ return -EXDEV;
+ new_access = vd->access & ~SNDRV_CTL_ELEM_ACCESS_LED_MASK;
+ if (set)
+ new_access |= group_to_access(group);
+ if (new_access != vd->access) {
+ vd->access = new_access;
+ snd_ctl_led_notify(card, SNDRV_CTL_EVENT_MASK_INFO, kctl, ioff);
}
- return err;
+ return 0;
}
static void snd_ctl_led_refresh(void)
static int snd_ctl_led_reset(int card_number, unsigned int group)
{
- struct snd_card *card;
+ struct snd_card *card __free(snd_card_unref) = NULL;
struct snd_ctl_led *led;
struct snd_ctl_led_ctl *lctl;
struct snd_kcontrol_volatile *vd;
if (!card)
return -ENXIO;
- mutex_lock(&snd_ctl_led_mutex);
- if (!snd_ctl_led_card_valid[card_number]) {
- mutex_unlock(&snd_ctl_led_mutex);
- snd_card_unref(card);
- return -ENXIO;
- }
- led = &snd_ctl_leds[group];
+ scoped_guard(mutex, &snd_ctl_led_mutex) {
+ if (!snd_ctl_led_card_valid[card_number])
+ return -ENXIO;
+ led = &snd_ctl_leds[group];
repeat:
- list_for_each_entry(lctl, &led->controls, list)
- if (lctl->card == card) {
- vd = &lctl->kctl->vd[lctl->index_offset];
- vd->access &= ~group_to_access(group);
- snd_ctl_led_ctl_destroy(lctl);
- change = true;
- goto repeat;
- }
- mutex_unlock(&snd_ctl_led_mutex);
+ list_for_each_entry(lctl, &led->controls, list)
+ if (lctl->card == card) {
+ vd = &lctl->kctl->vd[lctl->index_offset];
+ vd->access &= ~group_to_access(group);
+ snd_ctl_led_ctl_destroy(lctl);
+ change = true;
+ goto repeat;
+ }
+ }
if (change)
snd_ctl_led_set_state(NULL, group_to_access(group), NULL, 0);
- snd_card_unref(card);
return 0;
}
if (snd_BUG_ON(card->number < 0 ||
card->number >= ARRAY_SIZE(snd_ctl_led_card_valid)))
return;
- mutex_lock(&snd_ctl_led_mutex);
- snd_ctl_led_card_valid[card->number] = true;
- mutex_unlock(&snd_ctl_led_mutex);
+ scoped_guard(mutex, &snd_ctl_led_mutex)
+ snd_ctl_led_card_valid[card->number] = true;
/* the register callback is already called with held card->controls_rwsem */
list_for_each_entry(kctl, &card->controls, list)
for (ioff = 0; ioff < kctl->count; ioff++)
static void snd_ctl_led_disconnect(struct snd_card *card)
{
snd_ctl_led_sysfs_remove(card);
- mutex_lock(&snd_ctl_led_mutex);
- snd_ctl_led_card_valid[card->number] = false;
- snd_ctl_led_clean(card);
- mutex_unlock(&snd_ctl_led_mutex);
+ scoped_guard(mutex, &snd_ctl_led_mutex) {
+ snd_ctl_led_card_valid[card->number] = false;
+ snd_ctl_led_clean(card);
+ }
snd_ctl_led_refresh();
}
else
return count;
- mutex_lock(&snd_ctl_led_mutex);
- led->mode = mode;
- mutex_unlock(&snd_ctl_led_mutex);
+ scoped_guard(mutex, &snd_ctl_led_mutex)
+ led->mode = mode;
snd_ctl_led_set_state(NULL, group_to_access(led->group), NULL, 0);
return count;
struct device_attribute *attr, char *buf)
{
struct snd_ctl_led_card *led_card = container_of(dev, struct snd_ctl_led_card, dev);
- struct snd_card *card;
+ struct snd_card *card __free(snd_card_unref) = NULL;
struct snd_ctl_led_ctl *lctl;
size_t l = 0;
card = snd_card_ref(led_card->number);
if (!card)
return -ENXIO;
- down_read(&card->controls_rwsem);
- mutex_lock(&snd_ctl_led_mutex);
+ guard(rwsem_read)(&card->controls_rwsem);
+ guard(mutex)(&snd_ctl_led_mutex);
if (snd_ctl_led_card_valid[led_card->number]) {
list_for_each_entry(lctl, &led_card->led->controls, list) {
if (lctl->card != card)
lctl->kctl->id.numid + lctl->index_offset);
}
}
- mutex_unlock(&snd_ctl_led_mutex);
- up_read(&card->controls_rwsem);
- snd_card_unref(card);
return l;
}
unsigned long ticks;
enum hrtimer_restart ret = HRTIMER_NORESTART;
- spin_lock(&t->lock);
- if (!t->running)
- goto out; /* fast path */
- stime->in_callback = true;
- ticks = t->sticks;
- spin_unlock(&t->lock);
+ scoped_guard(spinlock, &t->lock) {
+ if (!t->running)
+ return HRTIMER_NORESTART; /* fast path */
+ stime->in_callback = true;
+ ticks = t->sticks;
+ }
/* calculate the drift */
delta = ktime_sub(hrt->base->get_time(), hrtimer_get_expires(hrt));
snd_timer_interrupt(stime->timer, ticks);
- spin_lock(&t->lock);
+ guard(spinlock)(&t->lock);
if (t->running) {
hrtimer_add_expires_ns(hrt, t->sticks * resolution);
ret = HRTIMER_RESTART;
}
stime->in_callback = false;
- out:
- spin_unlock(&t->lock);
return ret;
}
struct snd_hrtimer *stime = t->private_data;
if (stime) {
- spin_lock_irq(&t->lock);
- t->running = 0; /* just to be sure */
- stime->in_callback = 1; /* skip start/stop */
- spin_unlock_irq(&t->lock);
+ scoped_guard(spinlock_irq, &t->lock) {
+ t->running = 0; /* just to be sure */
+ stime->in_callback = 1; /* skip start/stop */
+ }
hrtimer_cancel(&stime->hrt);
kfree(stime);
struct snd_hwdep *hw = file->private_data;
struct module *mod = hw->card->module;
- mutex_lock(&hw->open_mutex);
- if (hw->ops.release)
- err = hw->ops.release(hw, file);
- if (hw->used > 0)
- hw->used--;
- mutex_unlock(&hw->open_mutex);
+ scoped_guard(mutex, &hw->open_mutex) {
+ if (hw->ops.release)
+ err = hw->ops.release(hw, file);
+ if (hw->used > 0)
+ hw->used--;
+ }
wake_up(&hw->open_wait);
snd_card_file_remove(hw->card, file);
if (get_user(device, (int __user *)arg))
return -EFAULT;
- mutex_lock(®ister_mutex);
-
- if (device < 0)
- device = 0;
- else if (device < SNDRV_MINOR_HWDEPS)
- device++;
- else
- device = SNDRV_MINOR_HWDEPS;
-
- while (device < SNDRV_MINOR_HWDEPS) {
- if (snd_hwdep_search(card, device))
- break;
- device++;
+
+ scoped_guard(mutex, ®ister_mutex) {
+ if (device < 0)
+ device = 0;
+ else if (device < SNDRV_MINOR_HWDEPS)
+ device++;
+ else
+ device = SNDRV_MINOR_HWDEPS;
+
+ while (device < SNDRV_MINOR_HWDEPS) {
+ if (snd_hwdep_search(card, device))
+ break;
+ device++;
+ }
+ if (device >= SNDRV_MINOR_HWDEPS)
+ device = -1;
}
- if (device >= SNDRV_MINOR_HWDEPS)
- device = -1;
- mutex_unlock(®ister_mutex);
if (put_user(device, (int __user *)arg))
return -EFAULT;
return 0;
case SNDRV_CTL_IOCTL_HWDEP_INFO:
{
struct snd_hwdep_info __user *info = (struct snd_hwdep_info __user *)arg;
- int device, err;
+ int device;
struct snd_hwdep *hwdep;
if (get_user(device, &info->device))
return -EFAULT;
- mutex_lock(®ister_mutex);
- hwdep = snd_hwdep_search(card, device);
- if (hwdep)
- err = snd_hwdep_info(hwdep, info);
- else
- err = -ENXIO;
- mutex_unlock(®ister_mutex);
- return err;
+ scoped_guard(mutex, ®ister_mutex) {
+ hwdep = snd_hwdep_search(card, device);
+ if (!hwdep)
+ return -ENXIO;
+ return snd_hwdep_info(hwdep, info);
+ }
+ break;
}
}
return -ENOIOCTLCMD;
struct snd_card *card = hwdep->card;
int err;
- mutex_lock(®ister_mutex);
- if (snd_hwdep_search(card, hwdep->device)) {
- mutex_unlock(®ister_mutex);
+ guard(mutex)(®ister_mutex);
+ if (snd_hwdep_search(card, hwdep->device))
return -EBUSY;
- }
list_add_tail(&hwdep->list, &snd_hwdep_devices);
err = snd_register_device(SNDRV_DEVICE_TYPE_HWDEP,
hwdep->card, hwdep->device,
if (err < 0) {
dev_err(hwdep->dev, "unable to register\n");
list_del(&hwdep->list);
- mutex_unlock(®ister_mutex);
return err;
}
hwdep->ossreg = 1;
}
#endif
- mutex_unlock(®ister_mutex);
return 0;
}
if (snd_BUG_ON(!hwdep))
return -ENXIO;
- mutex_lock(®ister_mutex);
- if (snd_hwdep_search(hwdep->card, hwdep->device) != hwdep) {
- mutex_unlock(®ister_mutex);
+ guard(mutex)(®ister_mutex);
+ if (snd_hwdep_search(hwdep->card, hwdep->device) != hwdep)
return -EINVAL;
- }
- mutex_lock(&hwdep->open_mutex);
+ guard(mutex)(&hwdep->open_mutex);
wake_up(&hwdep->open_wait);
#ifdef CONFIG_SND_OSSEMUL
if (hwdep->ossreg)
#endif
snd_unregister_device(hwdep->dev);
list_del_init(&hwdep->list);
- mutex_unlock(&hwdep->open_mutex);
- mutex_unlock(®ister_mutex);
return 0;
}
{
struct snd_hwdep *hwdep;
- mutex_lock(®ister_mutex);
+ guard(mutex)(®ister_mutex);
list_for_each_entry(hwdep, &snd_hwdep_devices, list)
snd_iprintf(buffer, "%02i-%02i: %s\n",
hwdep->card->number, hwdep->device, hwdep->name);
- mutex_unlock(®ister_mutex);
}
static struct snd_info_entry *snd_hwdep_proc_entry;
{
struct snd_info_private_data *data;
struct snd_info_entry *entry;
- loff_t ret = -EINVAL, size;
+ loff_t size;
data = file->private_data;
entry = data->entry;
- mutex_lock(&entry->access);
- if (entry->c.ops->llseek) {
- ret = entry->c.ops->llseek(entry,
- data->file_private_data,
- file, offset, orig);
- goto out;
- }
+ guard(mutex)(&entry->access);
+ if (entry->c.ops->llseek)
+ return entry->c.ops->llseek(entry,
+ data->file_private_data,
+ file, offset, orig);
size = entry->size;
switch (orig) {
break;
case SEEK_END:
if (!size)
- goto out;
+ return -EINVAL;
offset += size;
break;
default:
- goto out;
+ return -EINVAL;
}
if (offset < 0)
- goto out;
+ return -EINVAL;
if (size && offset > size)
offset = size;
file->f_pos = offset;
- ret = offset;
- out:
- mutex_unlock(&entry->access);
- return ret;
+ return offset;
}
static ssize_t snd_info_entry_read(struct file *file, char __user *buffer,
struct snd_info_private_data *data;
int mode, err;
- mutex_lock(&info_mutex);
+ guard(mutex)(&info_mutex);
err = alloc_info_private(entry, &data);
if (err < 0)
- goto unlock;
+ return err;
mode = file->f_flags & O_ACCMODE;
if (((mode == O_RDONLY || mode == O_RDWR) && !entry->c.ops->read) ||
}
file->private_data = data;
- mutex_unlock(&info_mutex);
return 0;
error:
kfree(data);
module_put(entry->module);
- unlock:
- mutex_unlock(&info_mutex);
return err;
}
struct snd_info_buffer *buf;
loff_t pos;
size_t next;
- int err = 0;
if (!entry->c.text.write)
return -EIO;
/* don't handle too large text inputs */
if (next > 16 * 1024)
return -EIO;
- mutex_lock(&entry->access);
+ guard(mutex)(&entry->access);
buf = data->wbuffer;
if (!buf) {
data->wbuffer = buf = kzalloc(sizeof(*buf), GFP_KERNEL);
- if (!buf) {
- err = -ENOMEM;
- goto error;
- }
+ if (!buf)
+ return -ENOMEM;
}
if (next > buf->len) {
char *nbuf = kvzalloc(PAGE_ALIGN(next), GFP_KERNEL);
- if (!nbuf) {
- err = -ENOMEM;
- goto error;
- }
+ if (!nbuf)
+ return -ENOMEM;
kvfree(buf->buffer);
buf->buffer = nbuf;
buf->len = PAGE_ALIGN(next);
}
- if (copy_from_user(buf->buffer + pos, buffer, count)) {
- err = -EFAULT;
- goto error;
- }
+ if (copy_from_user(buf->buffer + pos, buffer, count))
+ return -EFAULT;
buf->size = next;
- error:
- mutex_unlock(&entry->access);
- if (err < 0)
- return err;
*offset = next;
return count;
}
struct snd_info_private_data *data;
int err;
- mutex_lock(&info_mutex);
+ guard(mutex)(&info_mutex);
err = alloc_info_private(entry, &data);
if (err < 0)
- goto unlock;
+ return err;
data->rbuffer = kzalloc(sizeof(*data->rbuffer), GFP_KERNEL);
if (!data->rbuffer) {
err = single_open(file, snd_info_seq_show, data);
if (err < 0)
goto error;
- mutex_unlock(&info_mutex);
return 0;
error:
kfree(data->rbuffer);
kfree(data);
module_put(entry->module);
- unlock:
- mutex_unlock(&info_mutex);
return err;
}
*/
void snd_info_card_id_change(struct snd_card *card)
{
- mutex_lock(&info_mutex);
+ guard(mutex)(&info_mutex);
if (card->proc_root_link) {
proc_remove(card->proc_root_link);
card->proc_root_link = NULL;
card->proc_root_link = proc_symlink(card->id,
snd_proc_root->p,
card->proc_root->name);
- mutex_unlock(&info_mutex);
}
/*
if (card->proc_root)
proc_remove(card->proc_root->p);
- mutex_lock(&info_mutex);
+ guard(mutex)(&info_mutex);
if (card->proc_root)
snd_info_clear_entries(card->proc_root);
card->proc_root_link = NULL;
card->proc_root = NULL;
- mutex_unlock(&info_mutex);
}
/*
entry->parent = parent;
entry->module = module;
if (parent) {
- mutex_lock(&parent->access);
+ guard(mutex)(&parent->access);
list_add_tail(&entry->list, &parent->children);
- mutex_unlock(&parent->access);
}
return entry;
}
return;
if (entry->p) {
proc_remove(entry->p);
- mutex_lock(&info_mutex);
+ guard(mutex)(&info_mutex);
snd_info_clear_entries(entry);
- mutex_unlock(&info_mutex);
}
/* free all children at first */
p = entry->parent;
if (p) {
- mutex_lock(&p->access);
+ guard(mutex)(&p->access);
list_del(&entry->list);
- mutex_unlock(&p->access);
}
kfree(entry->name);
if (entry->private_free)
if (snd_BUG_ON(!entry))
return -ENXIO;
root = entry->parent == NULL ? snd_proc_root->p : entry->parent->p;
- mutex_lock(&info_mutex);
+ guard(mutex)(&info_mutex);
if (entry->p || !root)
- goto unlock;
+ return 0;
if (S_ISDIR(entry->mode)) {
p = proc_mkdir_mode(entry->name, entry->mode, root);
- if (!p) {
- mutex_unlock(&info_mutex);
+ if (!p)
return -ENOMEM;
- }
} else {
const struct proc_ops *ops;
if (entry->content == SNDRV_INFO_CONTENT_DATA)
ops = &snd_info_text_entry_ops;
p = proc_create_data(entry->name, entry->mode, root,
ops, entry);
- if (!p) {
- mutex_unlock(&info_mutex);
+ if (!p)
return -ENOMEM;
- }
proc_set_size(p, entry->size);
}
entry->p = p;
- unlock:
- mutex_unlock(&info_mutex);
return 0;
}
return -ENXIO;
if (snd_BUG_ON(num < 0 || num >= SNDRV_CARDS))
return -ENXIO;
- mutex_lock(&strings);
+ guard(mutex)(&strings);
if (string == NULL) {
x = snd_sndstat_strings[num][dev];
kfree(x);
x = NULL;
} else {
x = kstrdup(string, GFP_KERNEL);
- if (x == NULL) {
- mutex_unlock(&strings);
+ if (x == NULL)
return -ENOMEM;
- }
}
snd_sndstat_strings[num][dev] = x;
- mutex_unlock(&strings);
return 0;
}
EXPORT_SYMBOL(snd_oss_info_register);
char *str;
snd_iprintf(buf, "\n%s:", id);
- mutex_lock(&strings);
+ guard(mutex)(&strings);
for (idx = 0; idx < SNDRV_CARDS; idx++) {
str = snd_sndstat_strings[idx][dev];
if (str) {
snd_iprintf(buf, "%i: %s\n", idx, str);
}
}
- mutex_unlock(&strings);
if (ok < 0)
snd_iprintf(buf, " NOT ENABLED IN CONFIG\n");
return ok;
if (xid)
strscpy(card->id, xid, sizeof(card->id));
err = 0;
- mutex_lock(&snd_card_mutex);
- if (idx < 0) /* first check the matching module-name slot */
- idx = get_slot_from_bitmask(idx, module_slot_match, module);
- if (idx < 0) /* if not matched, assign an empty slot */
- idx = get_slot_from_bitmask(idx, check_empty_slot, module);
- if (idx < 0)
- err = -ENODEV;
- else if (idx < snd_ecards_limit) {
- if (test_bit(idx, snd_cards_lock))
- err = -EBUSY; /* invalid */
- } else if (idx >= SNDRV_CARDS)
- err = -ENODEV;
+ scoped_guard(mutex, &snd_card_mutex) {
+ if (idx < 0) /* first check the matching module-name slot */
+ idx = get_slot_from_bitmask(idx, module_slot_match, module);
+ if (idx < 0) /* if not matched, assign an empty slot */
+ idx = get_slot_from_bitmask(idx, check_empty_slot, module);
+ if (idx < 0)
+ err = -ENODEV;
+ else if (idx < snd_ecards_limit) {
+ if (test_bit(idx, snd_cards_lock))
+ err = -EBUSY; /* invalid */
+ } else if (idx >= SNDRV_CARDS)
+ err = -ENODEV;
+ if (!err) {
+ set_bit(idx, snd_cards_lock); /* lock it */
+ if (idx >= snd_ecards_limit)
+ snd_ecards_limit = idx + 1; /* increase the limit */
+ }
+ }
if (err < 0) {
- mutex_unlock(&snd_card_mutex);
dev_err(parent, "cannot find the slot for index %d (range 0-%i), error: %d\n",
- idx, snd_ecards_limit - 1, err);
+ idx, snd_ecards_limit - 1, err);
if (!card->managed)
kfree(card); /* manually free here, as no destructor called */
return err;
}
- set_bit(idx, snd_cards_lock); /* lock it */
- if (idx >= snd_ecards_limit)
- snd_ecards_limit = idx + 1; /* increase the limit */
- mutex_unlock(&snd_card_mutex);
card->dev = parent;
card->number = idx;
#ifdef MODULE
{
struct snd_card *card;
- mutex_lock(&snd_card_mutex);
+ guard(mutex)(&snd_card_mutex);
card = snd_cards[idx];
if (card)
get_device(&card->card_dev);
- mutex_unlock(&snd_card_mutex);
return card;
}
EXPORT_SYMBOL_GPL(snd_card_ref);
/* return non-zero if a card is already locked */
int snd_card_locked(int card)
{
- int locked;
-
- mutex_lock(&snd_card_mutex);
- locked = test_bit(card, snd_cards_lock);
- mutex_unlock(&snd_card_mutex);
- return locked;
+ guard(mutex)(&snd_card_mutex);
+ return test_bit(card, snd_cards_lock);
}
static loff_t snd_disconnect_llseek(struct file *file, loff_t offset, int orig)
{
struct snd_monitor_file *df = NULL, *_df;
- spin_lock(&shutdown_lock);
- list_for_each_entry(_df, &shutdown_files, shutdown_list) {
- if (_df->file == file) {
- df = _df;
- list_del_init(&df->shutdown_list);
- break;
+ scoped_guard(spinlock, &shutdown_lock) {
+ list_for_each_entry(_df, &shutdown_files, shutdown_list) {
+ if (_df->file == file) {
+ df = _df;
+ list_del_init(&df->shutdown_list);
+ break;
+ }
}
}
- spin_unlock(&shutdown_lock);
if (likely(df)) {
if ((file->f_flags & FASYNC) && df->disconnected_f_op->fasync)
if (!card)
return;
- spin_lock(&card->files_lock);
- if (card->shutdown) {
- spin_unlock(&card->files_lock);
- return;
- }
- card->shutdown = 1;
+ scoped_guard(spinlock, &card->files_lock) {
+ if (card->shutdown)
+ return;
+ card->shutdown = 1;
- /* replace file->f_op with special dummy operations */
- list_for_each_entry(mfile, &card->files_list, list) {
- /* it's critical part, use endless loop */
- /* we have no room to fail */
- mfile->disconnected_f_op = mfile->file->f_op;
+ /* replace file->f_op with special dummy operations */
+ list_for_each_entry(mfile, &card->files_list, list) {
+ /* it's critical part, use endless loop */
+ /* we have no room to fail */
+ mfile->disconnected_f_op = mfile->file->f_op;
- spin_lock(&shutdown_lock);
- list_add(&mfile->shutdown_list, &shutdown_files);
- spin_unlock(&shutdown_lock);
+ scoped_guard(spinlock, &shutdown_lock)
+ list_add(&mfile->shutdown_list, &shutdown_files);
- mfile->file->f_op = &snd_shutdown_f_ops;
- fops_get(mfile->file->f_op);
+ mfile->file->f_op = &snd_shutdown_f_ops;
+ fops_get(mfile->file->f_op);
+ }
}
- spin_unlock(&card->files_lock);
/* notify all connected devices about disconnection */
/* at this point, they cannot respond to any calls except release() */
}
/* disable fops (user space) operations for ALSA API */
- mutex_lock(&snd_card_mutex);
- snd_cards[card->number] = NULL;
- clear_bit(card->number, snd_cards_lock);
- mutex_unlock(&snd_card_mutex);
+ scoped_guard(mutex, &snd_card_mutex) {
+ snd_cards[card->number] = NULL;
+ clear_bit(card->number, snd_cards_lock);
+ }
#ifdef CONFIG_PM
wake_up(&card->power_sleep);
{
snd_card_disconnect(card);
- spin_lock_irq(&card->files_lock);
+ guard(spinlock_irq)(&card->files_lock);
wait_event_lock_irq(card->remove_sleep,
list_empty(&card->files_list),
card->files_lock);
- spin_unlock_irq(&card->files_lock);
}
EXPORT_SYMBOL_GPL(snd_card_disconnect_sync);
/* check if user specified own card->id */
if (card->id[0] != '\0')
return;
- mutex_lock(&snd_card_mutex);
+ guard(mutex)(&snd_card_mutex);
snd_card_set_id_no_lock(card, nid, nid);
- mutex_unlock(&snd_card_mutex);
}
EXPORT_SYMBOL(snd_card_set_id);
}
memcpy(buf1, buf, copy);
buf1[copy] = '\0';
- mutex_lock(&snd_card_mutex);
- if (!card_id_ok(NULL, buf1)) {
- mutex_unlock(&snd_card_mutex);
+ guard(mutex)(&snd_card_mutex);
+ if (!card_id_ok(NULL, buf1))
return -EEXIST;
- }
strcpy(card->id, buf1);
snd_info_card_id_change(card);
- mutex_unlock(&snd_card_mutex);
return count;
}
err = snd_device_register_all(card);
if (err < 0)
return err;
- mutex_lock(&snd_card_mutex);
- if (snd_cards[card->number]) {
- /* already registered */
- mutex_unlock(&snd_card_mutex);
- return snd_info_card_register(card); /* register pending info */
- }
- if (*card->id) {
- /* make a unique id name from the given string */
- char tmpid[sizeof(card->id)];
- memcpy(tmpid, card->id, sizeof(card->id));
- snd_card_set_id_no_lock(card, tmpid, tmpid);
- } else {
- /* create an id from either shortname or longname */
- const char *src;
- src = *card->shortname ? card->shortname : card->longname;
- snd_card_set_id_no_lock(card, src,
- retrieve_id_from_card_name(src));
+ scoped_guard(mutex, &snd_card_mutex) {
+ if (snd_cards[card->number]) {
+ /* already registered */
+ return snd_info_card_register(card); /* register pending info */
+ }
+ if (*card->id) {
+ /* make a unique id name from the given string */
+ char tmpid[sizeof(card->id)];
+
+ memcpy(tmpid, card->id, sizeof(card->id));
+ snd_card_set_id_no_lock(card, tmpid, tmpid);
+ } else {
+ /* create an id from either shortname or longname */
+ const char *src;
+
+ src = *card->shortname ? card->shortname : card->longname;
+ snd_card_set_id_no_lock(card, src,
+ retrieve_id_from_card_name(src));
+ }
+ snd_cards[card->number] = card;
}
- snd_cards[card->number] = card;
- mutex_unlock(&snd_card_mutex);
err = snd_info_card_register(card);
if (err < 0)
return err;
struct snd_card *card;
for (idx = count = 0; idx < SNDRV_CARDS; idx++) {
- mutex_lock(&snd_card_mutex);
+ guard(mutex)(&snd_card_mutex);
card = snd_cards[idx];
if (card) {
count++;
snd_iprintf(buffer, " %s\n",
card->longname);
}
- mutex_unlock(&snd_card_mutex);
}
if (!count)
snd_iprintf(buffer, "--- no soundcards ---\n");
struct snd_card *card;
for (idx = count = 0; idx < SNDRV_CARDS; idx++) {
- mutex_lock(&snd_card_mutex);
+ guard(mutex)(&snd_card_mutex);
card = snd_cards[idx];
if (card) {
count++;
snd_iprintf(buffer, "%s\n", card->longname);
}
- mutex_unlock(&snd_card_mutex);
}
if (!count) {
snd_iprintf(buffer, "--- no soundcards ---\n");
struct snd_card *card;
for (idx = 0; idx < SNDRV_CARDS; idx++) {
- mutex_lock(&snd_card_mutex);
+ guard(mutex)(&snd_card_mutex);
card = snd_cards[idx];
if (card)
snd_iprintf(buffer, "%2i %s\n",
idx, card->module->name);
- mutex_unlock(&snd_card_mutex);
}
}
#endif
mfile->file = file;
mfile->disconnected_f_op = NULL;
INIT_LIST_HEAD(&mfile->shutdown_list);
- spin_lock(&card->files_lock);
+ guard(spinlock)(&card->files_lock);
if (card->shutdown) {
- spin_unlock(&card->files_lock);
kfree(mfile);
return -ENODEV;
}
list_add(&mfile->list, &card->files_list);
get_device(&card->card_dev);
- spin_unlock(&card->files_lock);
return 0;
}
EXPORT_SYMBOL(snd_card_file_add);
{
struct snd_monitor_file *mfile, *found = NULL;
- spin_lock(&card->files_lock);
- list_for_each_entry(mfile, &card->files_list, list) {
- if (mfile->file == file) {
- list_del(&mfile->list);
- spin_lock(&shutdown_lock);
- list_del(&mfile->shutdown_list);
- spin_unlock(&shutdown_lock);
- if (mfile->disconnected_f_op)
- fops_put(mfile->disconnected_f_op);
- found = mfile;
- break;
+ scoped_guard(spinlock, &card->files_lock) {
+ list_for_each_entry(mfile, &card->files_list, list) {
+ if (mfile->file == file) {
+ list_del(&mfile->list);
+ scoped_guard(spinlock, &shutdown_lock)
+ list_del(&mfile->shutdown_list);
+ if (mfile->disconnected_f_op)
+ fops_put(mfile->disconnected_f_op);
+ found = mfile;
+ break;
+ }
}
+ if (list_empty(&card->files_list))
+ wake_up_all(&card->remove_sleep);
}
- if (list_empty(&card->files_list))
- wake_up_all(&card->remove_sleep);
- spin_unlock(&card->files_lock);
if (!found) {
dev_err(card->dev, "card file remove problem (%p)\n", file);
return -ENOENT;
#ifdef CONFIG_SND_JACK_INPUT_DEV
struct snd_jack *jack = device->device_data;
- mutex_lock(&jack->input_dev_lock);
- if (!jack->input_dev) {
- mutex_unlock(&jack->input_dev_lock);
+ guard(mutex)(&jack->input_dev_lock);
+ if (!jack->input_dev)
return 0;
- }
/* If the input device is registered with the input subsystem
* then we need to use a different deallocator. */
else
input_free_device(jack->input_dev);
jack->input_dev = NULL;
- mutex_unlock(&jack->input_dev_lock);
#endif /* CONFIG_SND_JACK_INPUT_DEV */
return 0;
}
snprintf(jack->name, sizeof(jack->name), "%s %s",
card->shortname, jack->id);
- mutex_lock(&jack->input_dev_lock);
- if (!jack->input_dev) {
- mutex_unlock(&jack->input_dev_lock);
+ guard(mutex)(&jack->input_dev_lock);
+ if (!jack->input_dev)
return 0;
- }
jack->input_dev->name = jack->name;
if (err == 0)
jack->registered = 1;
- mutex_unlock(&jack->input_dev_lock);
return err;
}
#endif /* CONFIG_SND_JACK_INPUT_DEV */
void snd_jack_set_parent(struct snd_jack *jack, struct device *parent)
{
WARN_ON(jack->registered);
- mutex_lock(&jack->input_dev_lock);
- if (!jack->input_dev) {
- mutex_unlock(&jack->input_dev_lock);
- return;
- }
-
- jack->input_dev->dev.parent = parent;
- mutex_unlock(&jack->input_dev_lock);
+ guard(mutex)(&jack->input_dev_lock);
+ if (jack->input_dev)
+ jack->input_dev->dev.parent = parent;
}
EXPORT_SYMBOL(snd_jack_set_parent);
if (mixer == NULL)
return -EIO;
- mutex_lock(&mixer->reg_mutex);
+ guard(mutex)(&mixer->reg_mutex);
for (chn = 0; chn < 31; chn++) {
pslot = &mixer->slots[chn];
if (pslot->put_volume || pslot->put_recsrc)
result |= 1 << chn;
}
- mutex_unlock(&mixer->reg_mutex);
return result;
}
if (mixer == NULL)
return -EIO;
- mutex_lock(&mixer->reg_mutex);
+ guard(mutex)(&mixer->reg_mutex);
for (chn = 0; chn < 31; chn++) {
pslot = &mixer->slots[chn];
if (pslot->put_volume && pslot->stereo)
result |= 1 << chn;
}
- mutex_unlock(&mixer->reg_mutex);
return result;
}
if (mixer == NULL)
return -EIO;
- mutex_lock(&mixer->reg_mutex);
+ guard(mutex)(&mixer->reg_mutex);
if (mixer->put_recsrc && mixer->get_recsrc) { /* exclusive */
result = mixer->mask_recsrc;
} else {
result |= 1 << chn;
}
}
- mutex_unlock(&mixer->reg_mutex);
return result;
}
if (mixer == NULL)
return -EIO;
- mutex_lock(&mixer->reg_mutex);
+ guard(mutex)(&mixer->reg_mutex);
if (mixer->put_recsrc && mixer->get_recsrc) { /* exclusive */
unsigned int index;
result = mixer->get_recsrc(fmixer, &index);
if (result < 0)
- goto unlock;
+ return result;
result = 1 << index;
} else {
struct snd_mixer_oss_slot *pslot;
}
}
mixer->oss_recsrc = result;
- unlock:
- mutex_unlock(&mixer->reg_mutex);
return result;
}
if (mixer == NULL)
return -EIO;
- mutex_lock(&mixer->reg_mutex);
+ guard(mutex)(&mixer->reg_mutex);
if (mixer->get_recsrc && mixer->put_recsrc) { /* exclusive input */
if (recsrc & ~mixer->oss_recsrc)
recsrc &= ~mixer->oss_recsrc;
}
}
}
- mutex_unlock(&mixer->reg_mutex);
return result;
}
if (mixer == NULL || slot > 30)
return -EIO;
- mutex_lock(&mixer->reg_mutex);
+ guard(mutex)(&mixer->reg_mutex);
pslot = &mixer->slots[slot];
left = pslot->volume[0];
right = pslot->volume[1];
result = pslot->get_volume(fmixer, pslot, &left, &right);
if (!pslot->stereo)
right = left;
- if (snd_BUG_ON(left < 0 || left > 100)) {
- result = -EIO;
- goto unlock;
- }
- if (snd_BUG_ON(right < 0 || right > 100)) {
- result = -EIO;
- goto unlock;
- }
+ if (snd_BUG_ON(left < 0 || left > 100))
+ return -EIO;
+ if (snd_BUG_ON(right < 0 || right > 100))
+ return -EIO;
if (result >= 0) {
pslot->volume[0] = left;
pslot->volume[1] = right;
result = (left & 0xff) | ((right & 0xff) << 8);
}
- unlock:
- mutex_unlock(&mixer->reg_mutex);
return result;
}
if (mixer == NULL || slot > 30)
return -EIO;
- mutex_lock(&mixer->reg_mutex);
+ guard(mutex)(&mixer->reg_mutex);
pslot = &mixer->slots[slot];
if (left > 100)
left = 100;
if (pslot->put_volume)
result = pslot->put_volume(fmixer, pslot, left, right);
if (result < 0)
- goto unlock;
+ return result;
pslot->volume[0] = left;
pslot->volume[1] = right;
result = (left & 0xff) | ((right & 0xff) << 8);
- unlock:
- mutex_unlock(&mixer->reg_mutex);
return result;
}
unsigned int numid,
int *left, int *right)
{
- struct snd_ctl_elem_info *uinfo;
- struct snd_ctl_elem_value *uctl;
+ struct snd_ctl_elem_info *uinfo __free(kfree) = NULL;
+ struct snd_ctl_elem_value *uctl __free(kfree) = NULL;
struct snd_kcontrol *kctl;
struct snd_card *card = fmixer->card;
if (numid == ID_UNKNOWN)
return;
- down_read(&card->controls_rwsem);
+ guard(rwsem_read)(&card->controls_rwsem);
kctl = snd_ctl_find_numid_locked(card, numid);
- if (!kctl) {
- up_read(&card->controls_rwsem);
+ if (!kctl)
return;
- }
uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
if (uinfo == NULL || uctl == NULL)
- goto __unalloc;
+ return;
if (kctl->info(kctl, uinfo))
- goto __unalloc;
+ return;
if (kctl->get(kctl, uctl))
- goto __unalloc;
+ return;
if (uinfo->type == SNDRV_CTL_ELEM_TYPE_BOOLEAN &&
uinfo->value.integer.min == 0 && uinfo->value.integer.max == 1)
- goto __unalloc;
+ return;
*left = snd_mixer_oss_conv1(uctl->value.integer.value[0], uinfo->value.integer.min, uinfo->value.integer.max, &pslot->volume[0]);
if (uinfo->count > 1)
*right = snd_mixer_oss_conv1(uctl->value.integer.value[1], uinfo->value.integer.min, uinfo->value.integer.max, &pslot->volume[1]);
- __unalloc:
- up_read(&card->controls_rwsem);
- kfree(uctl);
- kfree(uinfo);
}
static void snd_mixer_oss_get_volume1_sw(struct snd_mixer_oss_file *fmixer,
int *left, int *right,
int route)
{
- struct snd_ctl_elem_info *uinfo;
- struct snd_ctl_elem_value *uctl;
+ struct snd_ctl_elem_info *uinfo __free(kfree) = NULL;
+ struct snd_ctl_elem_value *uctl __free(kfree) = NULL;
struct snd_kcontrol *kctl;
struct snd_card *card = fmixer->card;
if (numid == ID_UNKNOWN)
return;
- down_read(&card->controls_rwsem);
+ guard(rwsem_read)(&card->controls_rwsem);
kctl = snd_ctl_find_numid_locked(card, numid);
- if (!kctl) {
- up_read(&card->controls_rwsem);
+ if (!kctl)
return;
- }
uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
if (uinfo == NULL || uctl == NULL)
- goto __unalloc;
+ return;
if (kctl->info(kctl, uinfo))
- goto __unalloc;
+ return;
if (kctl->get(kctl, uctl))
- goto __unalloc;
+ return;
if (!uctl->value.integer.value[0]) {
*left = 0;
if (uinfo->count == 1)
}
if (uinfo->count > 1 && !uctl->value.integer.value[route ? 3 : 1])
*right = 0;
- __unalloc:
- up_read(&card->controls_rwsem);
- kfree(uctl);
- kfree(uinfo);
}
static int snd_mixer_oss_get_volume1(struct snd_mixer_oss_file *fmixer,
unsigned int numid,
int left, int right)
{
- struct snd_ctl_elem_info *uinfo;
- struct snd_ctl_elem_value *uctl;
+ struct snd_ctl_elem_info *uinfo __free(kfree) = NULL;
+ struct snd_ctl_elem_value *uctl __free(kfree) = NULL;
struct snd_kcontrol *kctl;
struct snd_card *card = fmixer->card;
int res;
if (numid == ID_UNKNOWN)
return;
- down_read(&card->controls_rwsem);
+ guard(rwsem_read)(&card->controls_rwsem);
kctl = snd_ctl_find_numid_locked(card, numid);
- if (!kctl) {
- up_read(&card->controls_rwsem);
+ if (!kctl)
return;
- }
uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
if (uinfo == NULL || uctl == NULL)
- goto __unalloc;
+ return;
if (kctl->info(kctl, uinfo))
- goto __unalloc;
+ return;
if (uinfo->type == SNDRV_CTL_ELEM_TYPE_BOOLEAN &&
uinfo->value.integer.min == 0 && uinfo->value.integer.max == 1)
- goto __unalloc;
+ return;
uctl->value.integer.value[0] = snd_mixer_oss_conv2(left, uinfo->value.integer.min, uinfo->value.integer.max);
if (uinfo->count > 1)
uctl->value.integer.value[1] = snd_mixer_oss_conv2(right, uinfo->value.integer.min, uinfo->value.integer.max);
res = kctl->put(kctl, uctl);
if (res < 0)
- goto __unalloc;
+ return;
if (res > 0)
snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
- __unalloc:
- up_read(&card->controls_rwsem);
- kfree(uctl);
- kfree(uinfo);
}
static void snd_mixer_oss_put_volume1_sw(struct snd_mixer_oss_file *fmixer,
int left, int right,
int route)
{
- struct snd_ctl_elem_info *uinfo;
- struct snd_ctl_elem_value *uctl;
+ struct snd_ctl_elem_info *uinfo __free(kfree) = NULL;
+ struct snd_ctl_elem_value *uctl __free(kfree) = NULL;
struct snd_kcontrol *kctl;
struct snd_card *card = fmixer->card;
int res;
if (numid == ID_UNKNOWN)
return;
- down_read(&card->controls_rwsem);
+ guard(rwsem_read)(&card->controls_rwsem);
kctl = snd_ctl_find_numid_locked(card, numid);
- if (!kctl) {
- up_read(&card->controls_rwsem);
+ if (!kctl)
return;
- }
uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
if (uinfo == NULL || uctl == NULL)
- goto __unalloc;
+ return;
if (kctl->info(kctl, uinfo))
- goto __unalloc;
+ return;
if (uinfo->count > 1) {
uctl->value.integer.value[0] = left > 0 ? 1 : 0;
uctl->value.integer.value[route ? 3 : 1] = right > 0 ? 1 : 0;
}
res = kctl->put(kctl, uctl);
if (res < 0)
- goto __unalloc;
+ return;
if (res > 0)
snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
- __unalloc:
- up_read(&card->controls_rwsem);
- kfree(uctl);
- kfree(uinfo);
}
static int snd_mixer_oss_put_volume1(struct snd_mixer_oss_file *fmixer,
struct snd_kcontrol *kctl;
struct snd_mixer_oss_slot *pslot;
struct slot *slot;
- struct snd_ctl_elem_info *uinfo;
- struct snd_ctl_elem_value *uctl;
+ struct snd_ctl_elem_info *uinfo __free(kfree) = NULL;
+ struct snd_ctl_elem_value *uctl __free(kfree) = NULL;
int err, idx;
uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
- if (uinfo == NULL || uctl == NULL) {
- err = -ENOMEM;
- goto __free_only;
- }
- down_read(&card->controls_rwsem);
+ if (uinfo == NULL || uctl == NULL)
+ return -ENOMEM;
+ guard(rwsem_read)(&card->controls_rwsem);
kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0);
- if (! kctl) {
- err = -ENOENT;
- goto __unlock;
- }
+ if (!kctl)
+ return -ENOENT;
err = kctl->info(kctl, uinfo);
if (err < 0)
- goto __unlock;
+ return err;
err = kctl->get(kctl, uctl);
if (err < 0)
- goto __unlock;
+ return err;
for (idx = 0; idx < 32; idx++) {
if (!(mixer->mask_recsrc & (1 << idx)))
continue;
break;
}
}
- err = 0;
- __unlock:
- up_read(&card->controls_rwsem);
- __free_only:
- kfree(uctl);
- kfree(uinfo);
- return err;
+ return 0;
}
static int snd_mixer_oss_put_recsrc2(struct snd_mixer_oss_file *fmixer, unsigned int active_index)
struct snd_kcontrol *kctl;
struct snd_mixer_oss_slot *pslot;
struct slot *slot = NULL;
- struct snd_ctl_elem_info *uinfo;
- struct snd_ctl_elem_value *uctl;
+ struct snd_ctl_elem_info *uinfo __free(kfree) = NULL;
+ struct snd_ctl_elem_value *uctl __free(kfree) = NULL;
int err;
unsigned int idx;
uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
- if (uinfo == NULL || uctl == NULL) {
- err = -ENOMEM;
- goto __free_only;
- }
- down_read(&card->controls_rwsem);
+ if (uinfo == NULL || uctl == NULL)
+ return -ENOMEM;
+ guard(rwsem_read)(&card->controls_rwsem);
kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0);
- if (! kctl) {
- err = -ENOENT;
- goto __unlock;
- }
+ if (!kctl)
+ return -ENOENT;
err = kctl->info(kctl, uinfo);
if (err < 0)
- goto __unlock;
+ return err;
for (idx = 0; idx < 32; idx++) {
if (!(mixer->mask_recsrc & (1 << idx)))
continue;
break;
slot = NULL;
}
- if (! slot)
- goto __unlock;
+ if (!slot)
+ return 0;
for (idx = 0; idx < uinfo->count; idx++)
uctl->value.enumerated.item[idx] = slot->capture_item;
err = kctl->put(kctl, uctl);
if (err > 0)
snd_ctl_notify(fmixer->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
- err = 0;
- __unlock:
- up_read(&card->controls_rwsem);
- __free_only:
- kfree(uctl);
- kfree(uinfo);
- return err;
+ return 0;
}
struct snd_mixer_oss_assign_table {
static int snd_mixer_oss_build_test(struct snd_mixer_oss *mixer, struct slot *slot, const char *name, int index, int item)
{
- struct snd_ctl_elem_info *info;
+ struct snd_ctl_elem_info *info __free(kfree) = NULL;
struct snd_kcontrol *kcontrol;
struct snd_card *card = mixer->card;
int err;
- down_read(&card->controls_rwsem);
- kcontrol = snd_mixer_oss_test_id(mixer, name, index);
- if (kcontrol == NULL) {
- up_read(&card->controls_rwsem);
- return 0;
- }
- info = kmalloc(sizeof(*info), GFP_KERNEL);
- if (! info) {
- up_read(&card->controls_rwsem);
- return -ENOMEM;
- }
- err = kcontrol->info(kcontrol, info);
- if (err < 0) {
- up_read(&card->controls_rwsem);
- kfree(info);
- return err;
+ scoped_guard(rwsem_read, &card->controls_rwsem) {
+ kcontrol = snd_mixer_oss_test_id(mixer, name, index);
+ if (kcontrol == NULL)
+ return 0;
+ info = kmalloc(sizeof(*info), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+ err = kcontrol->info(kcontrol, info);
+ if (err < 0)
+ return err;
+ slot->numid[item] = kcontrol->id.numid;
}
- slot->numid[item] = kcontrol->id.numid;
- up_read(&card->controls_rwsem);
if (info->count > slot->channels)
slot->channels = info->count;
slot->present |= 1 << item;
- kfree(info);
return 0;
}
memset(slot.numid, 0xff, sizeof(slot.numid)); /* ID_UNKNOWN */
if (snd_mixer_oss_build_test_all(mixer, ptr, &slot))
return 0;
- down_read(&mixer->card->controls_rwsem);
+ guard(rwsem_read)(&mixer->card->controls_rwsem);
kctl = NULL;
if (!ptr->index)
kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0);
if (kctl) {
- struct snd_ctl_elem_info *uinfo;
+ struct snd_ctl_elem_info *uinfo __free(kfree) = NULL;
uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
- if (! uinfo) {
- up_read(&mixer->card->controls_rwsem);
+ if (!uinfo)
return -ENOMEM;
- }
- if (kctl->info(kctl, uinfo)) {
- up_read(&mixer->card->controls_rwsem);
- kfree(uinfo);
+ if (kctl->info(kctl, uinfo))
return 0;
- }
strcpy(str, ptr->name);
if (!strcmp(str, "Master"))
strcpy(str, "Mix");
} else {
for (slot.capture_item = 1; slot.capture_item < uinfo->value.enumerated.items; slot.capture_item++) {
uinfo->value.enumerated.item = slot.capture_item;
- if (kctl->info(kctl, uinfo)) {
- up_read(&mixer->card->controls_rwsem);
- kfree(uinfo);
+ if (kctl->info(kctl, uinfo))
return 0;
- }
if (!strcmp(uinfo->value.enumerated.name, str)) {
slot.present |= SNDRV_MIXER_OSS_PRESENT_CAPTURE;
break;
}
}
}
- kfree(uinfo);
}
- up_read(&mixer->card->controls_rwsem);
if (slot.present != 0) {
pslot = kmalloc(sizeof(slot), GFP_KERNEL);
if (! pslot)
struct snd_mixer_oss *mixer = entry->private_data;
int i;
- mutex_lock(&mixer->reg_mutex);
+ guard(mutex)(&mixer->reg_mutex);
for (i = 0; i < SNDRV_OSS_MAX_MIXERS; i++) {
struct slot *p;
else
snd_iprintf(buffer, "\"\" 0\n");
}
- mutex_unlock(&mixer->reg_mutex);
}
static void snd_mixer_oss_proc_write(struct snd_info_entry *entry,
cptr = snd_info_get_str(str, cptr, sizeof(str));
if (! *str) {
/* remove the entry */
- mutex_lock(&mixer->reg_mutex);
- mixer_slot_clear(&mixer->slots[ch]);
- mutex_unlock(&mixer->reg_mutex);
+ scoped_guard(mutex, &mixer->reg_mutex)
+ mixer_slot_clear(&mixer->slots[ch]);
continue;
}
snd_info_get_str(idxstr, cptr, sizeof(idxstr));
pr_err("ALSA: mixer_oss: invalid index %d\n", idx);
continue;
}
- mutex_lock(&mixer->reg_mutex);
- slot = (struct slot *)mixer->slots[ch].private_data;
- if (slot && slot->assigned &&
- slot->assigned->index == idx && ! strcmp(slot->assigned->name, str))
- /* not changed */
- goto __unlock;
- tbl = kmalloc(sizeof(*tbl), GFP_KERNEL);
- if (!tbl)
- goto __unlock;
- tbl->oss_id = ch;
- tbl->name = kstrdup(str, GFP_KERNEL);
- if (! tbl->name) {
- kfree(tbl);
- goto __unlock;
- }
- tbl->index = idx;
- if (snd_mixer_oss_build_input(mixer, tbl, 1, 1) <= 0) {
- kfree(tbl->name);
- kfree(tbl);
+ scoped_guard(mutex, &mixer->reg_mutex) {
+ slot = (struct slot *)mixer->slots[ch].private_data;
+ if (slot && slot->assigned &&
+ slot->assigned->index == idx && !strcmp(slot->assigned->name, str))
+ /* not changed */
+ break;
+ tbl = kmalloc(sizeof(*tbl), GFP_KERNEL);
+ if (!tbl)
+ break;
+ tbl->oss_id = ch;
+ tbl->name = kstrdup(str, GFP_KERNEL);
+ if (!tbl->name) {
+ kfree(tbl);
+ break;
+ }
+ tbl->index = idx;
+ if (snd_mixer_oss_build_input(mixer, tbl, 1, 1) <= 0) {
+ kfree(tbl->name);
+ kfree(tbl);
+ }
}
- __unlock:
- mutex_unlock(&mixer->reg_mutex);
}
}
snd_pcm_hw_param_t var, unsigned int best,
int *dir)
{
- struct snd_pcm_hw_params *save = NULL;
+ struct snd_pcm_hw_params *save __free(kfree) = NULL;
int v;
unsigned int saved_min;
int last = 0;
saved_min = min;
min = snd_pcm_hw_param_min(pcm, params, var, min, &mindir);
if (min >= 0) {
- struct snd_pcm_hw_params *params1;
+ struct snd_pcm_hw_params *params1 __free(kfree) = NULL;
if (max < 0)
goto _end;
if ((unsigned int)min == saved_min && mindir == valdir)
goto _end;
params1 = kmalloc(sizeof(*params1), GFP_KERNEL);
- if (params1 == NULL) {
- kfree(save);
+ if (params1 == NULL)
return -ENOMEM;
- }
*params1 = *save;
max = snd_pcm_hw_param_max(pcm, params1, var, max, &maxdir);
- if (max < 0) {
- kfree(params1);
+ if (max < 0)
goto _end;
- }
if (boundary_nearer(max, maxdir, best, valdir, min, mindir)) {
*params = *params1;
last = 1;
}
- kfree(params1);
} else {
*params = *save;
max = snd_pcm_hw_param_max(pcm, params, var, max, &maxdir);
- if (max < 0) {
- kfree(save);
+ if (max < 0)
return max;
- }
last = 1;
}
_end:
- kfree(save);
if (last)
v = snd_pcm_hw_param_last(pcm, params, var, dir);
else
struct snd_pcm_hw_params *params, unsigned int best_rate)
{
const struct snd_interval *it;
- struct snd_pcm_hw_params *save;
+ struct snd_pcm_hw_params *save __free(kfree) = NULL;
unsigned int rate, prev;
save = kmalloc(sizeof(*save), GFP_KERNEL);
ret = snd_pcm_hw_param_set(substream, params,
SNDRV_PCM_HW_PARAM_RATE,
rate, 0);
- if (ret == (int)rate) {
- kfree(save);
+ if (ret == (int)rate)
return rate;
- }
*params = *save;
}
prev = rate;
}
/* not found, use the nearest rate */
- kfree(save);
return snd_pcm_hw_param_near(substream, params, SNDRV_PCM_HW_PARAM_RATE, best_rate, NULL);
}
break;
result = 0;
set_current_state(TASK_INTERRUPTIBLE);
- snd_pcm_stream_lock_irq(substream);
- state = runtime->state;
- snd_pcm_stream_unlock_irq(substream);
+ scoped_guard(pcm_stream_lock_irq, substream)
+ state = runtime->state;
if (state != SNDRV_PCM_STATE_RUNNING) {
set_current_state(TASK_RUNNING);
break;
struct snd_pcm_substream *substream;
int err;
int direct;
- struct snd_pcm_hw_params *params;
+ struct snd_pcm_hw_params *params __free(kfree) = NULL;
unsigned int formats = 0;
const struct snd_mask *format_mask;
int fmt;
_snd_pcm_hw_params_any(params);
err = snd_pcm_hw_refine(substream, params);
if (err < 0)
- goto error;
+ return err;
format_mask = hw_param_mask_c(params, SNDRV_PCM_HW_PARAM_FORMAT);
for (fmt = 0; fmt < 32; ++fmt) {
if (snd_mask_test(format_mask, fmt)) {
}
}
- error:
- kfree(params);
- return err < 0 ? err : formats;
+ return formats;
}
static int snd_pcm_oss_set_format(struct snd_pcm_oss_file *pcm_oss_file, int format)
{
struct snd_pcm_oss_setup *setup;
- mutex_lock(&pcm->streams[stream].oss.setup_mutex);
+ guard(mutex)(&pcm->streams[stream].oss.setup_mutex);
do {
for (setup = pcm->streams[stream].oss.setup_list; setup;
setup = setup->next) {
out:
if (setup)
*rsetup = *setup;
- mutex_unlock(&pcm->streams[stream].oss.setup_mutex);
}
static void snd_pcm_oss_release_substream(struct snd_pcm_substream *substream)
if (psubstream != NULL) {
struct snd_pcm_runtime *runtime = psubstream->runtime;
poll_wait(file, &runtime->sleep, wait);
- snd_pcm_stream_lock_irq(psubstream);
- if (runtime->state != SNDRV_PCM_STATE_DRAINING &&
- (runtime->state != SNDRV_PCM_STATE_RUNNING ||
- snd_pcm_oss_playback_ready(psubstream)))
- mask |= EPOLLOUT | EPOLLWRNORM;
- snd_pcm_stream_unlock_irq(psubstream);
+ scoped_guard(pcm_stream_lock_irq, psubstream) {
+ if (runtime->state != SNDRV_PCM_STATE_DRAINING &&
+ (runtime->state != SNDRV_PCM_STATE_RUNNING ||
+ snd_pcm_oss_playback_ready(psubstream)))
+ mask |= EPOLLOUT | EPOLLWRNORM;
+ }
}
if (csubstream != NULL) {
struct snd_pcm_runtime *runtime = csubstream->runtime;
snd_pcm_state_t ostate;
poll_wait(file, &runtime->sleep, wait);
- snd_pcm_stream_lock_irq(csubstream);
- ostate = runtime->state;
- if (ostate != SNDRV_PCM_STATE_RUNNING ||
- snd_pcm_oss_capture_ready(csubstream))
- mask |= EPOLLIN | EPOLLRDNORM;
- snd_pcm_stream_unlock_irq(csubstream);
+ scoped_guard(pcm_stream_lock_irq, csubstream) {
+ ostate = runtime->state;
+ if (ostate != SNDRV_PCM_STATE_RUNNING ||
+ snd_pcm_oss_capture_ready(csubstream))
+ mask |= EPOLLIN | EPOLLRDNORM;
+ }
if (ostate != SNDRV_PCM_STATE_RUNNING && runtime->oss.trigger) {
struct snd_pcm_oss_file ofile;
memset(&ofile, 0, sizeof(ofile));
{
struct snd_pcm_str *pstr = entry->private_data;
struct snd_pcm_oss_setup *setup = pstr->oss.setup_list;
- mutex_lock(&pstr->oss.setup_mutex);
+ guard(mutex)(&pstr->oss.setup_mutex);
while (setup) {
snd_iprintf(buffer, "%s %u %u%s%s%s%s%s%s\n",
setup->task_name,
setup->nosilence ? " no-silence" : "");
setup = setup->next;
}
- mutex_unlock(&pstr->oss.setup_mutex);
}
static void snd_pcm_oss_proc_free_setup_list(struct snd_pcm_str * pstr)
struct snd_pcm_oss_setup *setup, *setup1, template;
while (!snd_info_get_line(buffer, line, sizeof(line))) {
- mutex_lock(&pstr->oss.setup_mutex);
+ guard(mutex)(&pstr->oss.setup_mutex);
memset(&template, 0, sizeof(template));
ptr = snd_info_get_str(task_name, line, sizeof(task_name));
if (!strcmp(task_name, "clear") || !strcmp(task_name, "erase")) {
snd_pcm_oss_proc_free_setup_list(pstr);
- mutex_unlock(&pstr->oss.setup_mutex);
continue;
}
for (setup = pstr->oss.setup_list; setup; setup = setup->next) {
setup = kmalloc(sizeof(*setup), GFP_KERNEL);
if (! setup) {
buffer->error = -ENOMEM;
- mutex_unlock(&pstr->oss.setup_mutex);
return;
}
if (pstr->oss.setup_list == NULL)
if (! template.task_name) {
kfree(setup);
buffer->error = -ENOMEM;
- mutex_unlock(&pstr->oss.setup_mutex);
return;
}
}
*setup = template;
- mutex_unlock(&pstr->oss.setup_mutex);
}
}
if (get_user(device, (int __user *)arg))
return -EFAULT;
- mutex_lock(®ister_mutex);
- device = snd_pcm_next(card, device);
- mutex_unlock(®ister_mutex);
+ scoped_guard(mutex, ®ister_mutex)
+ device = snd_pcm_next(card, device);
if (put_user(device, (int __user *)arg))
return -EFAULT;
return 0;
struct snd_pcm *pcm;
struct snd_pcm_str *pstr;
struct snd_pcm_substream *substream;
- int err;
info = (struct snd_pcm_info __user *)arg;
if (get_user(device, &info->device))
stream = array_index_nospec(stream, 2);
if (get_user(subdevice, &info->subdevice))
return -EFAULT;
- mutex_lock(®ister_mutex);
+ guard(mutex)(®ister_mutex);
pcm = snd_pcm_get(card, device);
- if (pcm == NULL) {
- err = -ENXIO;
- goto _error;
- }
+ if (pcm == NULL)
+ return -ENXIO;
pstr = &pcm->streams[stream];
- if (pstr->substream_count == 0) {
- err = -ENOENT;
- goto _error;
- }
- if (subdevice >= pstr->substream_count) {
- err = -ENXIO;
- goto _error;
- }
+ if (pstr->substream_count == 0)
+ return -ENOENT;
+ if (subdevice >= pstr->substream_count)
+ return -ENXIO;
for (substream = pstr->substream; substream;
substream = substream->next)
if (substream->number == (int)subdevice)
break;
- if (substream == NULL) {
- err = -ENXIO;
- goto _error;
- }
- mutex_lock(&pcm->open_mutex);
- err = snd_pcm_info_user(substream, info);
- mutex_unlock(&pcm->open_mutex);
- _error:
- mutex_unlock(®ister_mutex);
- return err;
+ if (substream == NULL)
+ return -ENXIO;
+ guard(mutex)(&pcm->open_mutex);
+ return snd_pcm_info_user(substream, info);
}
case SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE:
{
*/
const char *snd_pcm_format_name(snd_pcm_format_t format)
{
- if ((__force unsigned int)format >= ARRAY_SIZE(snd_pcm_format_names))
+ unsigned int format_num = (__force unsigned int)format;
+
+ if (format_num >= ARRAY_SIZE(snd_pcm_format_names) || !snd_pcm_format_names[format_num])
return "Unknown";
- return snd_pcm_format_names[(__force unsigned int)format];
+ return snd_pcm_format_names[format_num];
}
EXPORT_SYMBOL_GPL(snd_pcm_format_name);
static void snd_pcm_proc_info_read(struct snd_pcm_substream *substream,
struct snd_info_buffer *buffer)
{
- struct snd_pcm_info *info;
+ struct snd_pcm_info *info __free(kfree) = NULL;
int err;
if (! substream)
err = snd_pcm_info(substream, info);
if (err < 0) {
snd_iprintf(buffer, "error %d\n", err);
- kfree(info);
return;
}
snd_iprintf(buffer, "card: %d\n", info->card);
snd_iprintf(buffer, "subclass: %d\n", info->dev_subclass);
snd_iprintf(buffer, "subdevices_count: %d\n", info->subdevices_count);
snd_iprintf(buffer, "subdevices_avail: %d\n", info->subdevices_avail);
- kfree(info);
}
static void snd_pcm_stream_proc_info_read(struct snd_info_entry *entry,
struct snd_pcm_substream *substream = entry->private_data;
struct snd_pcm_runtime *runtime;
- mutex_lock(&substream->pcm->open_mutex);
+ guard(mutex)(&substream->pcm->open_mutex);
runtime = substream->runtime;
if (!runtime) {
snd_iprintf(buffer, "closed\n");
- goto unlock;
+ return;
}
if (runtime->state == SNDRV_PCM_STATE_OPEN) {
snd_iprintf(buffer, "no setup\n");
- goto unlock;
+ return;
}
snd_iprintf(buffer, "access: %s\n", snd_pcm_access_name(runtime->access));
snd_iprintf(buffer, "format: %s\n", snd_pcm_format_name(runtime->format));
snd_iprintf(buffer, "OSS period frames: %lu\n", (unsigned long)runtime->oss.period_frames);
}
#endif
- unlock:
- mutex_unlock(&substream->pcm->open_mutex);
}
static void snd_pcm_substream_proc_sw_params_read(struct snd_info_entry *entry,
struct snd_pcm_substream *substream = entry->private_data;
struct snd_pcm_runtime *runtime;
- mutex_lock(&substream->pcm->open_mutex);
+ guard(mutex)(&substream->pcm->open_mutex);
runtime = substream->runtime;
if (!runtime) {
snd_iprintf(buffer, "closed\n");
- goto unlock;
+ return;
}
if (runtime->state == SNDRV_PCM_STATE_OPEN) {
snd_iprintf(buffer, "no setup\n");
- goto unlock;
+ return;
}
snd_iprintf(buffer, "tstamp_mode: %s\n", snd_pcm_tstamp_mode_name(runtime->tstamp_mode));
snd_iprintf(buffer, "period_step: %u\n", runtime->period_step);
snd_iprintf(buffer, "silence_threshold: %lu\n", runtime->silence_threshold);
snd_iprintf(buffer, "silence_size: %lu\n", runtime->silence_size);
snd_iprintf(buffer, "boundary: %lu\n", runtime->boundary);
- unlock:
- mutex_unlock(&substream->pcm->open_mutex);
}
static void snd_pcm_substream_proc_status_read(struct snd_info_entry *entry,
struct snd_pcm_status64 status;
int err;
- mutex_lock(&substream->pcm->open_mutex);
+ guard(mutex)(&substream->pcm->open_mutex);
runtime = substream->runtime;
if (!runtime) {
snd_iprintf(buffer, "closed\n");
- goto unlock;
+ return;
}
memset(&status, 0, sizeof(status));
err = snd_pcm_status64(substream, &status);
if (err < 0) {
snd_iprintf(buffer, "error %d\n", err);
- goto unlock;
+ return;
}
snd_iprintf(buffer, "state: %s\n", snd_pcm_state_name(status.state));
snd_iprintf(buffer, "owner_pid : %d\n", pid_vnr(substream->pid));
snd_iprintf(buffer, "-----\n");
snd_iprintf(buffer, "hw_ptr : %ld\n", runtime->status->hw_ptr);
snd_iprintf(buffer, "appl_ptr : %ld\n", runtime->control->appl_ptr);
- unlock:
- mutex_unlock(&substream->pcm->open_mutex);
}
#ifdef CONFIG_SND_PCM_XRUN_DEBUG
kfree(runtime->hw_constraints.rules);
/* Avoid concurrent access to runtime via PCM timer interface */
if (substream->timer) {
- spin_lock_irq(&substream->timer->lock);
- substream->runtime = NULL;
- spin_unlock_irq(&substream->timer->lock);
+ scoped_guard(spinlock_irq, &substream->timer->lock)
+ substream->runtime = NULL;
} else {
substream->runtime = NULL;
}
return -ENXIO;
pcm = device->device_data;
- mutex_lock(®ister_mutex);
+ guard(mutex)(®ister_mutex);
err = snd_pcm_add(pcm);
if (err)
- goto unlock;
+ return err;
for (cidx = 0; cidx < 2; cidx++) {
int devtype = -1;
if (pcm->streams[cidx].substream == NULL)
pcm->streams[cidx].dev);
if (err < 0) {
list_del_init(&pcm->list);
- goto unlock;
+ return err;
}
for (substream = pcm->streams[cidx].substream; substream; substream = substream->next)
}
pcm_call_notify(pcm, n_register);
-
- unlock:
- mutex_unlock(®ister_mutex);
return err;
}
struct snd_pcm_substream *substream;
int cidx;
- mutex_lock(®ister_mutex);
- mutex_lock(&pcm->open_mutex);
+ guard(mutex)(®ister_mutex);
+ guard(mutex)(&pcm->open_mutex);
wake_up(&pcm->open_wait);
list_del_init(&pcm->list);
snd_unregister_device(pcm->streams[cidx].dev);
free_chmap(&pcm->streams[cidx]);
}
- mutex_unlock(&pcm->open_mutex);
- mutex_unlock(®ister_mutex);
return 0;
}
!notify->n_unregister ||
!notify->n_disconnect))
return -EINVAL;
- mutex_lock(®ister_mutex);
+ guard(mutex)(®ister_mutex);
if (nfree) {
list_del(¬ify->list);
list_for_each_entry(pcm, &snd_pcm_devices, list)
list_for_each_entry(pcm, &snd_pcm_devices, list)
notify->n_register(pcm);
}
- mutex_unlock(®ister_mutex);
return 0;
}
EXPORT_SYMBOL(snd_pcm_notify);
{
struct snd_pcm *pcm;
- mutex_lock(®ister_mutex);
+ guard(mutex)(®ister_mutex);
list_for_each_entry(pcm, &snd_pcm_devices, list) {
snd_iprintf(buffer, "%02i-%02i: %s : %s",
pcm->card->number, pcm->device, pcm->id, pcm->name);
pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream_count);
snd_iprintf(buffer, "\n");
}
- mutex_unlock(®ister_mutex);
}
static struct snd_info_entry *snd_pcm_proc_entry;
int refine,
struct snd_pcm_hw_params32 __user *data32)
{
- struct snd_pcm_hw_params *data;
+ struct snd_pcm_hw_params *data __free(kfree) = NULL;
struct snd_pcm_runtime *runtime;
int err;
return -ENOMEM;
/* only fifo_size (RO from userspace) is different, so just copy all */
- if (copy_from_user(data, data32, sizeof(*data32))) {
- err = -EFAULT;
- goto error;
- }
+ if (copy_from_user(data, data32, sizeof(*data32)))
+ return -EFAULT;
if (refine) {
err = snd_pcm_hw_refine(substream, data);
if (err < 0)
- goto error;
+ return err;
err = fixup_unreferenced_params(substream, data);
} else {
err = snd_pcm_hw_params(substream, data);
}
if (err < 0)
- goto error;
+ return err;
if (copy_to_user(data32, data, sizeof(*data32)) ||
- put_user(data->fifo_size, &data32->fifo_size)) {
- err = -EFAULT;
- goto error;
- }
+ put_user(data->fifo_size, &data32->fifo_size))
+ return -EFAULT;
if (! refine) {
unsigned int new_boundary = recalculate_boundary(runtime);
if (new_boundary)
runtime->boundary = new_boundary;
}
- error:
- kfree(data);
return err;
}
compat_caddr_t buf;
compat_caddr_t __user *bufptr;
u32 frames;
- void __user **bufs;
+ void __user **bufs __free(kfree) = NULL;
int err, ch, i;
if (! substream->runtime)
return -ENOMEM;
for (i = 0; i < ch; i++) {
u32 ptr;
- if (get_user(ptr, bufptr)) {
- kfree(bufs);
+ if (get_user(ptr, bufptr))
return -EFAULT;
- }
bufs[i] = compat_ptr(ptr);
bufptr++;
}
err = snd_pcm_lib_readv(substream, bufs, frames);
if (err >= 0) {
if (put_user(err, &data32->result))
- err = -EFAULT;
+ return -EFAULT;
}
- kfree(bufs);
return err;
}
boundary = recalculate_boundary(runtime);
if (!boundary)
boundary = 0x7fffffff;
- snd_pcm_stream_lock_irq(substream);
- /* FIXME: we should consider the boundary for the sync from app */
- if (!(sflags & SNDRV_PCM_SYNC_PTR_APPL))
- control->appl_ptr = scontrol.appl_ptr;
- else
- scontrol.appl_ptr = control->appl_ptr % boundary;
- if (!(sflags & SNDRV_PCM_SYNC_PTR_AVAIL_MIN))
- control->avail_min = scontrol.avail_min;
- else
- scontrol.avail_min = control->avail_min;
- sstatus.state = status->state;
- sstatus.hw_ptr = status->hw_ptr % boundary;
- sstatus.tstamp = status->tstamp;
- sstatus.suspended_state = status->suspended_state;
- sstatus.audio_tstamp = status->audio_tstamp;
- snd_pcm_stream_unlock_irq(substream);
+ scoped_guard(pcm_stream_lock_irq, substream) {
+ /* FIXME: we should consider the boundary for the sync from app */
+ if (!(sflags & SNDRV_PCM_SYNC_PTR_APPL))
+ control->appl_ptr = scontrol.appl_ptr;
+ else
+ scontrol.appl_ptr = control->appl_ptr % boundary;
+ if (!(sflags & SNDRV_PCM_SYNC_PTR_AVAIL_MIN))
+ control->avail_min = scontrol.avail_min;
+ else
+ scontrol.avail_min = control->avail_min;
+ sstatus.state = status->state;
+ sstatus.hw_ptr = status->hw_ptr % boundary;
+ sstatus.tstamp = status->tstamp;
+ sstatus.suspended_state = status->suspended_state;
+ sstatus.audio_tstamp = status->audio_tstamp;
+ }
if (!(sflags & SNDRV_PCM_SYNC_PTR_APPL))
snd_pcm_dma_buffer_sync(substream, SNDRV_DMA_SYNC_DEVICE);
if (put_user(sstatus.state, &src->s.status.state) ||
if (err < 0)
return err;
}
- snd_pcm_stream_lock_irq(substream);
- if (!(sync_ptr.flags & SNDRV_PCM_SYNC_PTR_APPL)) {
- err = pcm_lib_apply_appl_ptr(substream, sync_cp->appl_ptr);
- if (err < 0) {
- snd_pcm_stream_unlock_irq(substream);
- return err;
+ scoped_guard(pcm_stream_lock_irq, substream) {
+ if (!(sync_ptr.flags & SNDRV_PCM_SYNC_PTR_APPL)) {
+ err = pcm_lib_apply_appl_ptr(substream, sync_cp->appl_ptr);
+ if (err < 0)
+ return err;
+ } else {
+ sync_cp->appl_ptr = control->appl_ptr;
}
- } else {
- sync_cp->appl_ptr = control->appl_ptr;
+ if (!(sync_ptr.flags & SNDRV_PCM_SYNC_PTR_AVAIL_MIN))
+ control->avail_min = sync_cp->avail_min;
+ else
+ sync_cp->avail_min = control->avail_min;
+ sync_ptr.s.status.state = status->state;
+ sync_ptr.s.status.hw_ptr = status->hw_ptr;
+ sync_ptr.s.status.tstamp = status->tstamp;
+ sync_ptr.s.status.suspended_state = status->suspended_state;
+ sync_ptr.s.status.audio_tstamp = status->audio_tstamp;
}
- if (!(sync_ptr.flags & SNDRV_PCM_SYNC_PTR_AVAIL_MIN))
- control->avail_min = sync_cp->avail_min;
- else
- sync_cp->avail_min = control->avail_min;
- sync_ptr.s.status.state = status->state;
- sync_ptr.s.status.hw_ptr = status->hw_ptr;
- sync_ptr.s.status.tstamp = status->tstamp;
- sync_ptr.s.status.suspended_state = status->suspended_state;
- sync_ptr.s.status.audio_tstamp = status->audio_tstamp;
- snd_pcm_stream_unlock_irq(substream);
if (!(sync_ptr.flags & SNDRV_PCM_SYNC_PTR_APPL))
snd_pcm_dma_buffer_sync(substream, SNDRV_DMA_SYNC_DEVICE);
if (copy_to_user(_sync_ptr, &sync_ptr, sizeof(sync_ptr)))
void *arg)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- unsigned long flags;
- snd_pcm_stream_lock_irqsave(substream, flags);
+
+ guard(pcm_stream_lock_irqsave)(substream);
if (snd_pcm_running(substream) &&
snd_pcm_update_hw_ptr(substream) >= 0)
runtime->status->hw_ptr %= runtime->buffer_size;
runtime->status->hw_ptr = 0;
runtime->hw_ptr_wrap = 0;
}
- snd_pcm_stream_unlock_irqrestore(substream, flags);
return 0;
}
*/
void snd_pcm_period_elapsed(struct snd_pcm_substream *substream)
{
- unsigned long flags;
-
if (snd_BUG_ON(!substream))
return;
- snd_pcm_stream_lock_irqsave(substream, flags);
+ guard(pcm_stream_lock_irqsave)(substream);
snd_pcm_period_elapsed_under_stream_lock(substream);
- snd_pcm_stream_unlock_irqrestore(substream, flags);
}
EXPORT_SYMBOL(snd_pcm_period_elapsed);
static void update_allocated_size(struct snd_card *card, ssize_t bytes)
{
- mutex_lock(&card->memory_mutex);
+ guard(mutex)(&card->memory_mutex);
__update_allocated_size(card, bytes);
- mutex_unlock(&card->memory_mutex);
}
static void decrease_allocated_size(struct snd_card *card, size_t bytes)
{
- mutex_lock(&card->memory_mutex);
+ guard(mutex)(&card->memory_mutex);
WARN_ON(card->total_pcm_alloc_bytes < bytes);
__update_allocated_size(card, -(ssize_t)bytes);
- mutex_unlock(&card->memory_mutex);
}
static int do_alloc_pages(struct snd_card *card, int type, struct device *dev,
int err;
/* check and reserve the requested size */
- mutex_lock(&card->memory_mutex);
- if (max_alloc_per_card &&
- card->total_pcm_alloc_bytes + size > max_alloc_per_card) {
- mutex_unlock(&card->memory_mutex);
- return -ENOMEM;
+ scoped_guard(mutex, &card->memory_mutex) {
+ if (max_alloc_per_card &&
+ card->total_pcm_alloc_bytes + size > max_alloc_per_card)
+ return -ENOMEM;
+ __update_allocated_size(card, size);
}
- __update_allocated_size(card, size);
- mutex_unlock(&card->memory_mutex);
if (str == SNDRV_PCM_STREAM_PLAYBACK)
dir = DMA_TO_DEVICE;
size_t size;
struct snd_dma_buffer new_dmab;
- mutex_lock(&substream->pcm->open_mutex);
+ guard(mutex)(&substream->pcm->open_mutex);
if (substream->runtime) {
buffer->error = -EBUSY;
- goto unlock;
+ return;
}
if (!snd_info_get_line(buffer, line, sizeof(line))) {
snd_info_get_str(str, line, sizeof(str));
size = simple_strtoul(str, NULL, 10) * 1024;
if ((size != 0 && size < 8192) || size > substream->dma_max) {
buffer->error = -EINVAL;
- goto unlock;
+ return;
}
if (substream->dma_buffer.bytes == size)
- goto unlock;
+ return;
memset(&new_dmab, 0, sizeof(new_dmab));
new_dmab.dev = substream->dma_buffer.dev;
if (size > 0) {
substream->pcm->card->number, substream->pcm->device,
substream->stream ? 'c' : 'p', substream->number,
substream->pcm->name, size);
- goto unlock;
+ return;
}
substream->buffer_bytes_max = size;
} else {
} else {
buffer->error = -EINVAL;
}
- unlock:
- mutex_unlock(&substream->pcm->open_mutex);
}
static inline void preallocate_info_init(struct snd_pcm_substream *substream)
int snd_pcm_info_user(struct snd_pcm_substream *substream,
struct snd_pcm_info __user * _info)
{
- struct snd_pcm_info *info;
+ struct snd_pcm_info *info __free(kfree) = NULL;
int err;
info = kmalloc(sizeof(*info), GFP_KERNEL);
if (copy_to_user(_info, info, sizeof(*info)))
err = -EFAULT;
}
- kfree(info);
return err;
}
struct snd_pcm_hw_constraints *constrs =
&substream->runtime->hw_constraints;
unsigned int k;
- unsigned int *rstamps;
+ unsigned int *rstamps __free(kfree) = NULL;
unsigned int vstamps[SNDRV_PCM_HW_PARAM_LAST_INTERVAL + 1];
unsigned int stamp;
struct snd_pcm_hw_rule *r;
}
changed = r->func(params, r);
- if (changed < 0) {
- err = changed;
- goto out;
- }
+ if (changed < 0)
+ return changed;
/*
* When the parameter is changed, notify it to the caller
if (again)
goto retry;
- out:
- kfree(rstamps);
return err;
}
static int snd_pcm_hw_refine_user(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params __user * _params)
{
- struct snd_pcm_hw_params *params;
+ struct snd_pcm_hw_params *params __free(kfree) = NULL;
int err;
params = memdup_user(_params, sizeof(*params));
if (IS_ERR(params))
- return PTR_ERR(params);
+ return PTR_ERR(no_free_ptr(params));
err = snd_pcm_hw_refine(substream, params);
if (err < 0)
- goto end;
+ return err;
err = fixup_unreferenced_params(substream, params);
if (err < 0)
- goto end;
+ return err;
if (copy_to_user(_params, params, sizeof(*params)))
- err = -EFAULT;
-end:
- kfree(params);
- return err;
+ return -EFAULT;
+ return 0;
}
static int period_to_usecs(struct snd_pcm_runtime *runtime)
static void snd_pcm_set_state(struct snd_pcm_substream *substream,
snd_pcm_state_t state)
{
- snd_pcm_stream_lock_irq(substream);
+ guard(pcm_stream_lock_irq)(substream);
if (substream->runtime->state != SNDRV_PCM_STATE_DISCONNECTED)
__snd_pcm_set_state(substream->runtime, state);
- snd_pcm_stream_unlock_irq(substream);
}
static inline void snd_pcm_timer_notify(struct snd_pcm_substream *substream,
err = snd_pcm_buffer_access_lock(runtime);
if (err < 0)
return err;
- snd_pcm_stream_lock_irq(substream);
- switch (runtime->state) {
- case SNDRV_PCM_STATE_OPEN:
- case SNDRV_PCM_STATE_SETUP:
- case SNDRV_PCM_STATE_PREPARED:
- if (!is_oss_stream(substream) &&
- atomic_read(&substream->mmap_count))
+ scoped_guard(pcm_stream_lock_irq, substream) {
+ switch (runtime->state) {
+ case SNDRV_PCM_STATE_OPEN:
+ case SNDRV_PCM_STATE_SETUP:
+ case SNDRV_PCM_STATE_PREPARED:
+ if (!is_oss_stream(substream) &&
+ atomic_read(&substream->mmap_count))
+ err = -EBADFD;
+ break;
+ default:
err = -EBADFD;
- break;
- default:
- err = -EBADFD;
- break;
+ break;
+ }
}
- snd_pcm_stream_unlock_irq(substream);
if (err)
goto unlock;
static int snd_pcm_hw_params_user(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params __user * _params)
{
- struct snd_pcm_hw_params *params;
+ struct snd_pcm_hw_params *params __free(kfree) = NULL;
int err;
params = memdup_user(_params, sizeof(*params));
if (IS_ERR(params))
- return PTR_ERR(params);
+ return PTR_ERR(no_free_ptr(params));
err = snd_pcm_hw_params(substream, params);
if (err < 0)
- goto end;
+ return err;
if (copy_to_user(_params, params, sizeof(*params)))
- err = -EFAULT;
-end:
- kfree(params);
+ return -EFAULT;
return err;
}
result = snd_pcm_buffer_access_lock(runtime);
if (result < 0)
return result;
- snd_pcm_stream_lock_irq(substream);
- switch (runtime->state) {
- case SNDRV_PCM_STATE_SETUP:
- case SNDRV_PCM_STATE_PREPARED:
- if (atomic_read(&substream->mmap_count))
+ scoped_guard(pcm_stream_lock_irq, substream) {
+ switch (runtime->state) {
+ case SNDRV_PCM_STATE_SETUP:
+ case SNDRV_PCM_STATE_PREPARED:
+ if (atomic_read(&substream->mmap_count))
+ result = -EBADFD;
+ break;
+ default:
result = -EBADFD;
- break;
- default:
- result = -EBADFD;
- break;
+ break;
+ }
}
- snd_pcm_stream_unlock_irq(substream);
if (result)
goto unlock;
result = do_hw_free(substream);
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
- snd_pcm_stream_lock_irq(substream);
- if (runtime->state == SNDRV_PCM_STATE_OPEN) {
- snd_pcm_stream_unlock_irq(substream);
- return -EBADFD;
+ scoped_guard(pcm_stream_lock_irq, substream) {
+ if (runtime->state == SNDRV_PCM_STATE_OPEN)
+ return -EBADFD;
}
- snd_pcm_stream_unlock_irq(substream);
if (params->tstamp_mode < 0 ||
params->tstamp_mode > SNDRV_PCM_TSTAMP_LAST)
return -EINVAL;
}
err = 0;
- snd_pcm_stream_lock_irq(substream);
- runtime->tstamp_mode = params->tstamp_mode;
- if (params->proto >= SNDRV_PROTOCOL_VERSION(2, 0, 12))
- runtime->tstamp_type = params->tstamp_type;
- runtime->period_step = params->period_step;
- runtime->control->avail_min = params->avail_min;
- runtime->start_threshold = params->start_threshold;
- runtime->stop_threshold = params->stop_threshold;
- runtime->silence_threshold = params->silence_threshold;
- runtime->silence_size = params->silence_size;
- params->boundary = runtime->boundary;
- if (snd_pcm_running(substream)) {
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
- runtime->silence_size > 0)
- snd_pcm_playback_silence(substream, ULONG_MAX);
- err = snd_pcm_update_state(substream, runtime);
+ scoped_guard(pcm_stream_lock_irq, substream) {
+ runtime->tstamp_mode = params->tstamp_mode;
+ if (params->proto >= SNDRV_PROTOCOL_VERSION(2, 0, 12))
+ runtime->tstamp_type = params->tstamp_type;
+ runtime->period_step = params->period_step;
+ runtime->control->avail_min = params->avail_min;
+ runtime->start_threshold = params->start_threshold;
+ runtime->stop_threshold = params->stop_threshold;
+ runtime->silence_threshold = params->silence_threshold;
+ runtime->silence_size = params->silence_size;
+ params->boundary = runtime->boundary;
+ if (snd_pcm_running(substream)) {
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
+ runtime->silence_size > 0)
+ snd_pcm_playback_silence(substream, ULONG_MAX);
+ err = snd_pcm_update_state(substream, runtime);
+ }
}
- snd_pcm_stream_unlock_irq(substream);
return err;
}
{
struct snd_pcm_runtime *runtime = substream->runtime;
- snd_pcm_stream_lock_irq(substream);
+ guard(pcm_stream_lock_irq)(substream);
snd_pcm_unpack_audio_tstamp_config(status->audio_tstamp_data,
&runtime->audio_tstamp_config);
status->state = runtime->state;
status->suspended_state = runtime->suspended_state;
if (status->state == SNDRV_PCM_STATE_OPEN)
- goto _end;
+ return 0;
status->trigger_tstamp_sec = runtime->trigger_tstamp.tv_sec;
status->trigger_tstamp_nsec = runtime->trigger_tstamp.tv_nsec;
if (snd_pcm_running(substream)) {
status->overrange = runtime->overrange;
runtime->avail_max = 0;
runtime->overrange = 0;
- _end:
- snd_pcm_stream_unlock_irq(substream);
return 0;
}
channel = info->channel;
runtime = substream->runtime;
- snd_pcm_stream_lock_irq(substream);
- if (runtime->state == SNDRV_PCM_STATE_OPEN) {
- snd_pcm_stream_unlock_irq(substream);
- return -EBADFD;
+ scoped_guard(pcm_stream_lock_irq, substream) {
+ if (runtime->state == SNDRV_PCM_STATE_OPEN)
+ return -EBADFD;
}
- snd_pcm_stream_unlock_irq(substream);
if (channel >= runtime->channels)
return -EINVAL;
memset(info, 0, sizeof(*info));
struct snd_pcm_substream *substream,
snd_pcm_state_t state)
{
- int res;
-
- snd_pcm_stream_lock_irq(substream);
- res = snd_pcm_action(ops, substream, state);
- snd_pcm_stream_unlock_irq(substream);
- return res;
+ guard(pcm_stream_lock_irq)(substream);
+ return snd_pcm_action(ops, substream, state);
}
/*
int res;
/* Guarantee the group members won't change during non-atomic action */
- down_read(&snd_pcm_link_rwsem);
+ guard(rwsem_read)(&snd_pcm_link_rwsem);
res = snd_pcm_buffer_access_lock(substream->runtime);
if (res < 0)
- goto unlock;
+ return res;
if (snd_pcm_stream_linked(substream))
res = snd_pcm_action_group(ops, substream, state, false);
else
res = snd_pcm_action_single(ops, substream, state);
snd_pcm_buffer_access_unlock(substream->runtime);
- unlock:
- up_read(&snd_pcm_link_rwsem);
return res;
}
*/
int snd_pcm_stop_xrun(struct snd_pcm_substream *substream)
{
- unsigned long flags;
-
- snd_pcm_stream_lock_irqsave(substream, flags);
+ guard(pcm_stream_lock_irqsave)(substream);
if (substream->runtime && snd_pcm_running(substream))
__snd_pcm_xrun(substream);
- snd_pcm_stream_unlock_irqrestore(substream, flags);
return 0;
}
EXPORT_SYMBOL_GPL(snd_pcm_stop_xrun);
*/
static int snd_pcm_suspend(struct snd_pcm_substream *substream)
{
- int err;
- unsigned long flags;
-
- snd_pcm_stream_lock_irqsave(substream, flags);
- err = snd_pcm_action(&snd_pcm_action_suspend, substream,
- ACTION_ARG_IGNORE);
- snd_pcm_stream_unlock_irqrestore(substream, flags);
- return err;
+ guard(pcm_stream_lock_irqsave)(substream);
+ return snd_pcm_action(&snd_pcm_action_suspend, substream,
+ ACTION_ARG_IGNORE);
}
/**
static int snd_pcm_xrun(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- int result;
- snd_pcm_stream_lock_irq(substream);
+ guard(pcm_stream_lock_irq)(substream);
switch (runtime->state) {
case SNDRV_PCM_STATE_XRUN:
- result = 0; /* already there */
- break;
+ return 0; /* already there */
case SNDRV_PCM_STATE_RUNNING:
__snd_pcm_xrun(substream);
- result = 0;
- break;
+ return 0;
default:
- result = -EBADFD;
+ return -EBADFD;
}
- snd_pcm_stream_unlock_irq(substream);
- return result;
}
/*
int err = snd_pcm_ops_ioctl(substream, SNDRV_PCM_IOCTL1_RESET, NULL);
if (err < 0)
return err;
- snd_pcm_stream_lock_irq(substream);
+ guard(pcm_stream_lock_irq)(substream);
runtime->hw_ptr_base = 0;
runtime->hw_ptr_interrupt = runtime->status->hw_ptr -
runtime->status->hw_ptr % runtime->period_size;
runtime->silence_start = runtime->status->hw_ptr;
runtime->silence_filled = 0;
- snd_pcm_stream_unlock_irq(substream);
return 0;
}
snd_pcm_state_t state)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- snd_pcm_stream_lock_irq(substream);
+ guard(pcm_stream_lock_irq)(substream);
runtime->control->appl_ptr = runtime->status->hw_ptr;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
runtime->silence_size > 0)
snd_pcm_playback_silence(substream, ULONG_MAX);
- snd_pcm_stream_unlock_irq(substream);
}
static const struct action_ops snd_pcm_action_reset = {
else
f_flags = substream->f_flags;
- snd_pcm_stream_lock_irq(substream);
- switch (substream->runtime->state) {
- case SNDRV_PCM_STATE_PAUSED:
- snd_pcm_pause(substream, false);
- fallthrough;
- case SNDRV_PCM_STATE_SUSPENDED:
- snd_pcm_stop(substream, SNDRV_PCM_STATE_SETUP);
- break;
+ scoped_guard(pcm_stream_lock_irq, substream) {
+ switch (substream->runtime->state) {
+ case SNDRV_PCM_STATE_PAUSED:
+ snd_pcm_pause(substream, false);
+ fallthrough;
+ case SNDRV_PCM_STATE_SUSPENDED:
+ snd_pcm_stop(substream, SNDRV_PCM_STATE_SETUP);
+ break;
+ }
}
- snd_pcm_stream_unlock_irq(substream);
return snd_pcm_action_nonatomic(&snd_pcm_action_prepare,
substream,
runtime->state == SNDRV_PCM_STATE_DISCONNECTED)
return -EBADFD;
- snd_pcm_stream_lock_irq(substream);
+ guard(pcm_stream_lock_irq)(substream);
/* resume pause */
if (runtime->state == SNDRV_PCM_STATE_PAUSED)
snd_pcm_pause(substream, false);
snd_pcm_stop(substream, SNDRV_PCM_STATE_SETUP);
/* runtime->control->appl_ptr = runtime->status->hw_ptr; */
- snd_pcm_stream_unlock_irq(substream);
return result;
}
*/
static int snd_pcm_link(struct snd_pcm_substream *substream, int fd)
{
- int res = 0;
struct snd_pcm_file *pcm_file;
struct snd_pcm_substream *substream1;
- struct snd_pcm_group *group, *target_group;
+ struct snd_pcm_group *group __free(kfree) = NULL;
+ struct snd_pcm_group *target_group;
bool nonatomic = substream->pcm->nonatomic;
- struct fd f = fdget(fd);
+ CLASS(fd, f)(fd);
if (!f.file)
return -EBADFD;
- if (!is_pcm_file(f.file)) {
- res = -EBADFD;
- goto _badf;
- }
+ if (!is_pcm_file(f.file))
+ return -EBADFD;
+
pcm_file = f.file->private_data;
substream1 = pcm_file->substream;
- if (substream == substream1) {
- res = -EINVAL;
- goto _badf;
- }
+ if (substream == substream1)
+ return -EINVAL;
group = kzalloc(sizeof(*group), GFP_KERNEL);
- if (!group) {
- res = -ENOMEM;
- goto _nolock;
- }
+ if (!group)
+ return -ENOMEM;
snd_pcm_group_init(group);
- down_write(&snd_pcm_link_rwsem);
+ guard(rwsem_write)(&snd_pcm_link_rwsem);
if (substream->runtime->state == SNDRV_PCM_STATE_OPEN ||
substream->runtime->state != substream1->runtime->state ||
- substream->pcm->nonatomic != substream1->pcm->nonatomic) {
- res = -EBADFD;
- goto _end;
- }
- if (snd_pcm_stream_linked(substream1)) {
- res = -EALREADY;
- goto _end;
- }
+ substream->pcm->nonatomic != substream1->pcm->nonatomic)
+ return -EBADFD;
+ if (snd_pcm_stream_linked(substream1))
+ return -EALREADY;
- snd_pcm_stream_lock_irq(substream);
- if (!snd_pcm_stream_linked(substream)) {
- snd_pcm_group_assign(substream, group);
- group = NULL; /* assigned, don't free this one below */
+ scoped_guard(pcm_stream_lock_irq, substream) {
+ if (!snd_pcm_stream_linked(substream)) {
+ snd_pcm_group_assign(substream, group);
+ group = NULL; /* assigned, don't free this one below */
+ }
+ target_group = substream->group;
}
- target_group = substream->group;
- snd_pcm_stream_unlock_irq(substream);
snd_pcm_group_lock_irq(target_group, nonatomic);
snd_pcm_stream_lock_nested(substream1);
refcount_inc(&target_group->refs);
snd_pcm_stream_unlock(substream1);
snd_pcm_group_unlock_irq(target_group, nonatomic);
- _end:
- up_write(&snd_pcm_link_rwsem);
- _nolock:
- kfree(group);
- _badf:
- fdput(f);
- return res;
+ return 0;
}
static void relink_to_local(struct snd_pcm_substream *substream)
struct snd_pcm_group *group;
bool nonatomic = substream->pcm->nonatomic;
bool do_free = false;
- int res = 0;
- down_write(&snd_pcm_link_rwsem);
+ guard(rwsem_write)(&snd_pcm_link_rwsem);
- if (!snd_pcm_stream_linked(substream)) {
- res = -EALREADY;
- goto _end;
- }
+ if (!snd_pcm_stream_linked(substream))
+ return -EALREADY;
group = substream->group;
snd_pcm_group_lock_irq(group, nonatomic);
snd_pcm_group_unlock_irq(group, nonatomic);
if (do_free)
kfree(group);
-
- _end:
- up_write(&snd_pcm_link_rwsem);
- return res;
+ return 0;
}
/*
/* block until the device gets woken up as it may touch the hardware */
snd_power_wait(pcm->card);
- mutex_lock(&pcm->open_mutex);
- snd_pcm_release_substream(substream);
- kfree(pcm_file);
- mutex_unlock(&pcm->open_mutex);
+ scoped_guard(mutex, &pcm->open_mutex) {
+ snd_pcm_release_substream(substream);
+ kfree(pcm_file);
+ }
wake_up(&pcm->open_wait);
module_put(pcm->card->module);
snd_card_file_remove(pcm->card, file);
if (frames == 0)
return 0;
- snd_pcm_stream_lock_irq(substream);
- ret = do_pcm_hwsync(substream);
- if (!ret)
- ret = rewind_appl_ptr(substream, frames,
- snd_pcm_hw_avail(substream));
- snd_pcm_stream_unlock_irq(substream);
+ scoped_guard(pcm_stream_lock_irq, substream) {
+ ret = do_pcm_hwsync(substream);
+ if (!ret)
+ ret = rewind_appl_ptr(substream, frames,
+ snd_pcm_hw_avail(substream));
+ }
if (ret >= 0)
snd_pcm_dma_buffer_sync(substream, SNDRV_DMA_SYNC_DEVICE);
return ret;
if (frames == 0)
return 0;
- snd_pcm_stream_lock_irq(substream);
- ret = do_pcm_hwsync(substream);
- if (!ret)
- ret = forward_appl_ptr(substream, frames,
- snd_pcm_avail(substream));
- snd_pcm_stream_unlock_irq(substream);
+ scoped_guard(pcm_stream_lock_irq, substream) {
+ ret = do_pcm_hwsync(substream);
+ if (!ret)
+ ret = forward_appl_ptr(substream, frames,
+ snd_pcm_avail(substream));
+ }
if (ret >= 0)
snd_pcm_dma_buffer_sync(substream, SNDRV_DMA_SYNC_DEVICE);
return ret;
{
int err;
- snd_pcm_stream_lock_irq(substream);
- err = do_pcm_hwsync(substream);
- if (delay && !err)
- *delay = snd_pcm_calc_delay(substream);
- snd_pcm_stream_unlock_irq(substream);
+ scoped_guard(pcm_stream_lock_irq, substream) {
+ err = do_pcm_hwsync(substream);
+ if (delay && !err)
+ *delay = snd_pcm_calc_delay(substream);
+ }
snd_pcm_dma_buffer_sync(substream, SNDRV_DMA_SYNC_CPU);
return err;
if (err < 0)
return err;
}
- snd_pcm_stream_lock_irq(substream);
- if (!(sync_ptr.flags & SNDRV_PCM_SYNC_PTR_APPL)) {
- err = pcm_lib_apply_appl_ptr(substream,
- sync_ptr.c.control.appl_ptr);
- if (err < 0) {
- snd_pcm_stream_unlock_irq(substream);
- return err;
+ scoped_guard(pcm_stream_lock_irq, substream) {
+ if (!(sync_ptr.flags & SNDRV_PCM_SYNC_PTR_APPL)) {
+ err = pcm_lib_apply_appl_ptr(substream,
+ sync_ptr.c.control.appl_ptr);
+ if (err < 0)
+ return err;
+ } else {
+ sync_ptr.c.control.appl_ptr = control->appl_ptr;
}
- } else {
- sync_ptr.c.control.appl_ptr = control->appl_ptr;
+ if (!(sync_ptr.flags & SNDRV_PCM_SYNC_PTR_AVAIL_MIN))
+ control->avail_min = sync_ptr.c.control.avail_min;
+ else
+ sync_ptr.c.control.avail_min = control->avail_min;
+ sync_ptr.s.status.state = status->state;
+ sync_ptr.s.status.hw_ptr = status->hw_ptr;
+ sync_ptr.s.status.tstamp = status->tstamp;
+ sync_ptr.s.status.suspended_state = status->suspended_state;
+ sync_ptr.s.status.audio_tstamp = status->audio_tstamp;
}
- if (!(sync_ptr.flags & SNDRV_PCM_SYNC_PTR_AVAIL_MIN))
- control->avail_min = sync_ptr.c.control.avail_min;
- else
- sync_ptr.c.control.avail_min = control->avail_min;
- sync_ptr.s.status.state = status->state;
- sync_ptr.s.status.hw_ptr = status->hw_ptr;
- sync_ptr.s.status.tstamp = status->tstamp;
- sync_ptr.s.status.suspended_state = status->suspended_state;
- sync_ptr.s.status.audio_tstamp = status->audio_tstamp;
- snd_pcm_stream_unlock_irq(substream);
if (!(sync_ptr.flags & SNDRV_PCM_SYNC_PTR_APPL))
snd_pcm_dma_buffer_sync(substream, SNDRV_DMA_SYNC_DEVICE);
if (copy_to_user(_sync_ptr, &sync_ptr, sizeof(sync_ptr)))
boundary = recalculate_boundary(runtime);
if (! boundary)
boundary = 0x7fffffff;
- snd_pcm_stream_lock_irq(substream);
- /* FIXME: we should consider the boundary for the sync from app */
- if (!(sflags & SNDRV_PCM_SYNC_PTR_APPL)) {
- err = pcm_lib_apply_appl_ptr(substream,
- scontrol.appl_ptr);
- if (err < 0) {
- snd_pcm_stream_unlock_irq(substream);
- return err;
- }
- } else
- scontrol.appl_ptr = control->appl_ptr % boundary;
- if (!(sflags & SNDRV_PCM_SYNC_PTR_AVAIL_MIN))
- control->avail_min = scontrol.avail_min;
- else
- scontrol.avail_min = control->avail_min;
- sstatus.state = status->state;
- sstatus.hw_ptr = status->hw_ptr % boundary;
- sstatus.tstamp = status->tstamp;
- sstatus.suspended_state = status->suspended_state;
- sstatus.audio_tstamp = status->audio_tstamp;
- snd_pcm_stream_unlock_irq(substream);
+ scoped_guard(pcm_stream_lock_irq, substream) {
+ /* FIXME: we should consider the boundary for the sync from app */
+ if (!(sflags & SNDRV_PCM_SYNC_PTR_APPL)) {
+ err = pcm_lib_apply_appl_ptr(substream,
+ scontrol.appl_ptr);
+ if (err < 0)
+ return err;
+ } else
+ scontrol.appl_ptr = control->appl_ptr % boundary;
+ if (!(sflags & SNDRV_PCM_SYNC_PTR_AVAIL_MIN))
+ control->avail_min = scontrol.avail_min;
+ else
+ scontrol.avail_min = control->avail_min;
+ sstatus.state = status->state;
+ sstatus.hw_ptr = status->hw_ptr % boundary;
+ sstatus.tstamp = status->tstamp;
+ sstatus.suspended_state = status->suspended_state;
+ sstatus.audio_tstamp = status->audio_tstamp;
+ }
if (!(sflags & SNDRV_PCM_SYNC_PTR_APPL))
snd_pcm_dma_buffer_sync(substream, SNDRV_DMA_SYNC_DEVICE);
if (put_user(sstatus.state, &src->s.status.state) ||
{
struct snd_xfern xfern;
struct snd_pcm_runtime *runtime = substream->runtime;
- void *bufs;
+ void *bufs __free(kfree) = NULL;
snd_pcm_sframes_t result;
if (runtime->state == SNDRV_PCM_STATE_OPEN)
bufs = memdup_user(xfern.bufs, sizeof(void *) * runtime->channels);
if (IS_ERR(bufs))
- return PTR_ERR(bufs);
+ return PTR_ERR(no_free_ptr(bufs));
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
result = snd_pcm_lib_writev(substream, bufs, xfern.frames);
else
result = snd_pcm_lib_readv(substream, bufs, xfern.frames);
- kfree(bufs);
if (put_user(result, &_xfern->result))
return -EFAULT;
return result < 0 ? result : 0;
struct snd_pcm_runtime *runtime;
snd_pcm_sframes_t result;
unsigned long i;
- void __user **bufs;
+ void __user **bufs __free(kfree) = NULL;
snd_pcm_uframes_t frames;
const struct iovec *iov = iter_iov(to);
result = snd_pcm_lib_readv(substream, bufs, frames);
if (result > 0)
result = frames_to_bytes(runtime, result);
- kfree(bufs);
return result;
}
struct snd_pcm_runtime *runtime;
snd_pcm_sframes_t result;
unsigned long i;
- void __user **bufs;
+ void __user **bufs __free(kfree) = NULL;
snd_pcm_uframes_t frames;
const struct iovec *iov = iter_iov(from);
result = snd_pcm_lib_writev(substream, bufs, frames);
if (result > 0)
result = frames_to_bytes(runtime, result);
- kfree(bufs);
return result;
}
poll_wait(file, &runtime->sleep, wait);
mask = 0;
- snd_pcm_stream_lock_irq(substream);
+ guard(pcm_stream_lock_irq)(substream);
avail = snd_pcm_avail(substream);
switch (runtime->state) {
case SNDRV_PCM_STATE_RUNNING:
mask = ok | EPOLLERR;
break;
}
- snd_pcm_stream_unlock_irq(substream);
return mask;
}
static int snd_pcm_hw_refine_old_user(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params_old __user * _oparams)
{
- struct snd_pcm_hw_params *params;
- struct snd_pcm_hw_params_old *oparams = NULL;
+ struct snd_pcm_hw_params *params __free(kfree) = NULL;
+ struct snd_pcm_hw_params_old *oparams __free(kfree) = NULL;
int err;
params = kmalloc(sizeof(*params), GFP_KERNEL);
return -ENOMEM;
oparams = memdup_user(_oparams, sizeof(*oparams));
- if (IS_ERR(oparams)) {
- err = PTR_ERR(oparams);
- goto out;
- }
+ if (IS_ERR(oparams))
+ return PTR_ERR(no_free_ptr(oparams));
snd_pcm_hw_convert_from_old_params(params, oparams);
err = snd_pcm_hw_refine(substream, params);
if (err < 0)
- goto out_old;
+ return err;
err = fixup_unreferenced_params(substream, params);
if (err < 0)
- goto out_old;
+ return err;
snd_pcm_hw_convert_to_old_params(oparams, params);
if (copy_to_user(_oparams, oparams, sizeof(*oparams)))
- err = -EFAULT;
-out_old:
- kfree(oparams);
-out:
- kfree(params);
- return err;
+ return -EFAULT;
+ return 0;
}
static int snd_pcm_hw_params_old_user(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params_old __user * _oparams)
{
- struct snd_pcm_hw_params *params;
- struct snd_pcm_hw_params_old *oparams = NULL;
+ struct snd_pcm_hw_params *params __free(kfree) = NULL;
+ struct snd_pcm_hw_params_old *oparams __free(kfree) = NULL;
int err;
params = kmalloc(sizeof(*params), GFP_KERNEL);
return -ENOMEM;
oparams = memdup_user(_oparams, sizeof(*oparams));
- if (IS_ERR(oparams)) {
- err = PTR_ERR(oparams);
- goto out;
- }
+ if (IS_ERR(oparams))
+ return PTR_ERR(no_free_ptr(oparams));
snd_pcm_hw_convert_from_old_params(params, oparams);
err = snd_pcm_hw_params(substream, params);
if (err < 0)
- goto out_old;
+ return err;
snd_pcm_hw_convert_to_old_params(oparams, params);
if (copy_to_user(_oparams, oparams, sizeof(*oparams)))
- err = -EFAULT;
-out_old:
- kfree(oparams);
-out:
- kfree(params);
- return err;
+ return -EFAULT;
+ return 0;
}
#endif /* CONFIG_SND_SUPPORT_OLD_API */
static bool snd_rawmidi_ready(struct snd_rawmidi_substream *substream)
{
- unsigned long flags;
- bool ready;
-
- spin_lock_irqsave(&substream->lock, flags);
- ready = __snd_rawmidi_ready(substream->runtime);
- spin_unlock_irqrestore(&substream->lock, flags);
- return ready;
+ guard(spinlock_irqsave)(&substream->lock);
+ return __snd_rawmidi_ready(substream->runtime);
}
static inline int snd_rawmidi_ready_append(struct snd_rawmidi_substream *substream,
static void reset_runtime_ptrs(struct snd_rawmidi_substream *substream,
bool is_input)
{
- unsigned long flags;
-
- spin_lock_irqsave(&substream->lock, flags);
+ guard(spinlock_irqsave)(&substream->lock);
if (substream->opened && substream->runtime)
__reset_runtime_ptrs(substream->runtime, is_input);
- spin_unlock_irqrestore(&substream->lock, flags);
}
int snd_rawmidi_drop_output(struct snd_rawmidi_substream *substream)
long timeout;
struct snd_rawmidi_runtime *runtime;
- spin_lock_irq(&substream->lock);
- runtime = substream->runtime;
- if (!substream->opened || !runtime || !runtime->buffer) {
- err = -EINVAL;
- } else {
+ scoped_guard(spinlock_irq, &substream->lock) {
+ runtime = substream->runtime;
+ if (!substream->opened || !runtime || !runtime->buffer)
+ return -EINVAL;
snd_rawmidi_buffer_ref(runtime);
runtime->drain = 1;
}
- spin_unlock_irq(&substream->lock);
- if (err < 0)
- return err;
timeout = wait_event_interruptible_timeout(runtime->sleep,
(runtime->avail >= runtime->buffer_size),
10*HZ);
- spin_lock_irq(&substream->lock);
- if (signal_pending(current))
- err = -ERESTARTSYS;
- if (runtime->avail < runtime->buffer_size && !timeout) {
- rmidi_warn(substream->rmidi,
- "rawmidi drain error (avail = %li, buffer_size = %li)\n",
- (long)runtime->avail, (long)runtime->buffer_size);
- err = -EIO;
+ scoped_guard(spinlock_irq, &substream->lock) {
+ if (signal_pending(current))
+ err = -ERESTARTSYS;
+ if (runtime->avail < runtime->buffer_size && !timeout) {
+ rmidi_warn(substream->rmidi,
+ "rawmidi drain error (avail = %li, buffer_size = %li)\n",
+ (long)runtime->avail, (long)runtime->buffer_size);
+ err = -EIO;
+ }
+ runtime->drain = 0;
}
- runtime->drain = 0;
- spin_unlock_irq(&substream->lock);
if (err != -ERESTARTSYS) {
/* we need wait a while to make sure that Tx FIFOs are empty */
snd_rawmidi_drop_output(substream);
}
- spin_lock_irq(&substream->lock);
- snd_rawmidi_buffer_unref(runtime);
- spin_unlock_irq(&substream->lock);
+ scoped_guard(spinlock_irq, &substream->lock)
+ snd_rawmidi_buffer_unref(runtime);
return err;
}
snd_rawmidi_runtime_free(substream);
return err;
}
- spin_lock_irq(&substream->lock);
+ guard(spinlock_irq)(&substream->lock);
substream->opened = 1;
substream->active_sensing = 0;
if (mode & SNDRV_RAWMIDI_LFLG_APPEND)
substream->append = 1;
substream->pid = get_pid(task_pid(current));
rmidi->streams[substream->stream].substream_opened++;
- spin_unlock_irq(&substream->lock);
}
substream->use_count++;
return 0;
if (!try_module_get(rmidi->card->module))
return -ENXIO;
- mutex_lock(&rmidi->open_mutex);
+ guard(mutex)(&rmidi->open_mutex);
err = rawmidi_open_priv(rmidi, subdevice, mode, rfile);
- mutex_unlock(&rmidi->open_mutex);
if (err < 0)
module_put(rmidi->card->module);
return err;
}
snd_rawmidi_buffer_ref_sync(substream);
}
- spin_lock_irq(&substream->lock);
- substream->opened = 0;
- substream->append = 0;
- spin_unlock_irq(&substream->lock);
+ scoped_guard(spinlock_irq, &substream->lock) {
+ substream->opened = 0;
+ substream->append = 0;
+ }
substream->ops->close(substream);
if (substream->runtime->private_free)
substream->runtime->private_free(substream);
struct snd_rawmidi *rmidi;
rmidi = rfile->rmidi;
- mutex_lock(&rmidi->open_mutex);
+ guard(mutex)(&rmidi->open_mutex);
if (rfile->input) {
close_substream(rmidi, rfile->input, 1);
rfile->input = NULL;
rfile->output = NULL;
}
rfile->rmidi = NULL;
- mutex_unlock(&rmidi->open_mutex);
wake_up(&rmidi->open_wait);
}
int snd_rawmidi_info_select(struct snd_card *card, struct snd_rawmidi_info *info)
{
- int ret;
-
- mutex_lock(®ister_mutex);
- ret = __snd_rawmidi_info_select(card, info);
- mutex_unlock(®ister_mutex);
- return ret;
+ guard(mutex)(®ister_mutex);
+ return __snd_rawmidi_info_select(card, info);
}
EXPORT_SYMBOL(snd_rawmidi_info_select);
newbuf = kvzalloc(params->buffer_size, GFP_KERNEL);
if (!newbuf)
return -ENOMEM;
- spin_lock_irq(&substream->lock);
+ guard(spinlock_irq)(&substream->lock);
if (runtime->buffer_ref) {
- spin_unlock_irq(&substream->lock);
kvfree(newbuf);
return -EBUSY;
}
runtime->buffer = newbuf;
runtime->buffer_size = params->buffer_size;
__reset_runtime_ptrs(runtime, is_input);
- spin_unlock_irq(&substream->lock);
kvfree(oldbuf);
}
runtime->avail_min = params->avail_min;
int err;
snd_rawmidi_drain_output(substream);
- mutex_lock(&substream->rmidi->open_mutex);
+ guard(mutex)(&substream->rmidi->open_mutex);
if (substream->append && substream->use_count > 1)
- err = -EBUSY;
- else
- err = resize_runtime_buffer(substream, params, false);
-
+ return -EBUSY;
+ err = resize_runtime_buffer(substream, params, false);
if (!err)
substream->active_sensing = !params->no_active_sensing;
- mutex_unlock(&substream->rmidi->open_mutex);
return err;
}
EXPORT_SYMBOL(snd_rawmidi_output_params);
int err;
snd_rawmidi_drain_input(substream);
- mutex_lock(&substream->rmidi->open_mutex);
+ guard(mutex)(&substream->rmidi->open_mutex);
if (framing == SNDRV_RAWMIDI_MODE_FRAMING_NONE && clock_type != SNDRV_RAWMIDI_MODE_CLOCK_NONE)
err = -EINVAL;
else if (clock_type > SNDRV_RAWMIDI_MODE_CLOCK_MONOTONIC_RAW)
substream->framing = framing;
substream->clock_type = clock_type;
}
- mutex_unlock(&substream->rmidi->open_mutex);
return 0;
}
EXPORT_SYMBOL(snd_rawmidi_input_params);
memset(status, 0, sizeof(*status));
status->stream = SNDRV_RAWMIDI_STREAM_OUTPUT;
- spin_lock_irq(&substream->lock);
+ guard(spinlock_irq)(&substream->lock);
status->avail = runtime->avail;
- spin_unlock_irq(&substream->lock);
return 0;
}
memset(status, 0, sizeof(*status));
status->stream = SNDRV_RAWMIDI_STREAM_INPUT;
- spin_lock_irq(&substream->lock);
+ guard(spinlock_irq)(&substream->lock);
status->avail = runtime->avail;
status->xruns = runtime->xruns;
runtime->xruns = 0;
- spin_unlock_irq(&substream->lock);
return 0;
}
return -EFAULT;
if (device >= SNDRV_RAWMIDI_DEVICES) /* next device is -1 */
device = SNDRV_RAWMIDI_DEVICES - 1;
- mutex_lock(®ister_mutex);
- device = device < 0 ? 0 : device + 1;
- for (; device < SNDRV_RAWMIDI_DEVICES; device++) {
- rmidi = snd_rawmidi_search(card, device);
- if (!rmidi)
- continue;
- is_ump = rawmidi_is_ump(rmidi);
- if (find_ump == is_ump)
- break;
+ scoped_guard(mutex, ®ister_mutex) {
+ device = device < 0 ? 0 : device + 1;
+ for (; device < SNDRV_RAWMIDI_DEVICES; device++) {
+ rmidi = snd_rawmidi_search(card, device);
+ if (!rmidi)
+ continue;
+ is_ump = rawmidi_is_ump(rmidi);
+ if (find_ump == is_ump)
+ break;
+ }
+ if (device == SNDRV_RAWMIDI_DEVICES)
+ device = -1;
}
- if (device == SNDRV_RAWMIDI_DEVICES)
- device = -1;
- mutex_unlock(®ister_mutex);
if (put_user(device, argp))
return -EFAULT;
return 0;
{
struct snd_ump_endpoint_info __user *info = argp;
struct snd_rawmidi *rmidi;
- int device, ret;
+ int device;
if (get_user(device, &info->device))
return -EFAULT;
- mutex_lock(®ister_mutex);
+ guard(mutex)(®ister_mutex);
rmidi = snd_rawmidi_search(card, device);
if (rmidi && rmidi->ops && rmidi->ops->ioctl)
- ret = rmidi->ops->ioctl(rmidi, cmd, argp);
+ return rmidi->ops->ioctl(rmidi, cmd, argp);
else
- ret = -ENXIO;
- mutex_unlock(®ister_mutex);
- return ret;
+ return -ENXIO;
}
#endif
int snd_rawmidi_receive(struct snd_rawmidi_substream *substream,
const unsigned char *buffer, int count)
{
- unsigned long flags;
struct timespec64 ts64 = get_framing_tstamp(substream);
int result = 0, count1;
struct snd_rawmidi_runtime *runtime;
- spin_lock_irqsave(&substream->lock, flags);
- if (!substream->opened) {
- result = -EBADFD;
- goto unlock;
- }
+ guard(spinlock_irqsave)(&substream->lock);
+ if (!substream->opened)
+ return -EBADFD;
runtime = substream->runtime;
if (!runtime || !runtime->buffer) {
rmidi_dbg(substream->rmidi,
"snd_rawmidi_receive: input is not active!!!\n");
- result = -EINVAL;
- goto unlock;
+ return -EINVAL;
}
count = get_aligned_size(runtime, count);
if (!count)
- goto unlock;
+ return result;
if (substream->framing == SNDRV_RAWMIDI_MODE_FRAMING_TSTAMP) {
result = receive_with_tstamp_framing(substream, buffer, count, &ts64);
count1 = runtime->buffer_size - runtime->avail;
count1 = get_aligned_size(runtime, count1);
if (!count1)
- goto unlock;
+ return result;
memcpy(runtime->buffer + runtime->hw_ptr, buffer, count1);
runtime->hw_ptr += count1;
runtime->hw_ptr %= runtime->buffer_size;
else if (__snd_rawmidi_ready(runtime))
wake_up(&runtime->sleep);
}
- unlock:
- spin_unlock_irqrestore(&substream->lock, flags);
return result;
}
EXPORT_SYMBOL(snd_rawmidi_receive);
int snd_rawmidi_transmit_empty(struct snd_rawmidi_substream *substream)
{
struct snd_rawmidi_runtime *runtime;
- int result;
- unsigned long flags;
- spin_lock_irqsave(&substream->lock, flags);
+ guard(spinlock_irqsave)(&substream->lock);
runtime = substream->runtime;
if (!substream->opened || !runtime || !runtime->buffer) {
rmidi_dbg(substream->rmidi,
"snd_rawmidi_transmit_empty: output is not active!!!\n");
- result = 1;
- } else {
- result = runtime->avail >= runtime->buffer_size;
+ return 1;
}
- spin_unlock_irqrestore(&substream->lock, flags);
- return result;
+ return (runtime->avail >= runtime->buffer_size);
}
EXPORT_SYMBOL(snd_rawmidi_transmit_empty);
int snd_rawmidi_transmit_peek(struct snd_rawmidi_substream *substream,
unsigned char *buffer, int count)
{
- int result;
- unsigned long flags;
-
- spin_lock_irqsave(&substream->lock, flags);
+ guard(spinlock_irqsave)(&substream->lock);
if (!substream->opened || !substream->runtime)
- result = -EBADFD;
- else
- result = __snd_rawmidi_transmit_peek(substream, buffer, count);
- spin_unlock_irqrestore(&substream->lock, flags);
- return result;
+ return -EBADFD;
+ return __snd_rawmidi_transmit_peek(substream, buffer, count);
}
EXPORT_SYMBOL(snd_rawmidi_transmit_peek);
*/
int snd_rawmidi_transmit_ack(struct snd_rawmidi_substream *substream, int count)
{
- int result;
- unsigned long flags;
-
- spin_lock_irqsave(&substream->lock, flags);
+ guard(spinlock_irqsave)(&substream->lock);
if (!substream->opened || !substream->runtime)
- result = -EBADFD;
- else
- result = __snd_rawmidi_transmit_ack(substream, count);
- spin_unlock_irqrestore(&substream->lock, flags);
- return result;
+ return -EBADFD;
+ return __snd_rawmidi_transmit_ack(substream, count);
}
EXPORT_SYMBOL(snd_rawmidi_transmit_ack);
int snd_rawmidi_transmit(struct snd_rawmidi_substream *substream,
unsigned char *buffer, int count)
{
- int result;
- unsigned long flags;
-
- spin_lock_irqsave(&substream->lock, flags);
+ guard(spinlock_irqsave)(&substream->lock);
if (!substream->opened)
- result = -EBADFD;
- else {
- count = __snd_rawmidi_transmit_peek(substream, buffer, count);
- if (count <= 0)
- result = count;
- else
- result = __snd_rawmidi_transmit_ack(substream, count);
- }
- spin_unlock_irqrestore(&substream->lock, flags);
- return result;
+ return -EBADFD;
+ count = __snd_rawmidi_transmit_peek(substream, buffer, count);
+ if (count <= 0)
+ return count;
+ return __snd_rawmidi_transmit_ack(substream, count);
}
EXPORT_SYMBOL(snd_rawmidi_transmit);
int snd_rawmidi_proceed(struct snd_rawmidi_substream *substream)
{
struct snd_rawmidi_runtime *runtime;
- unsigned long flags;
int count = 0;
- spin_lock_irqsave(&substream->lock, flags);
+ guard(spinlock_irqsave)(&substream->lock);
runtime = substream->runtime;
if (substream->opened && runtime &&
runtime->avail < runtime->buffer_size) {
count = runtime->buffer_size - runtime->avail;
__snd_rawmidi_transmit_ack(substream, count);
}
- spin_unlock_irqrestore(&substream->lock, flags);
return count;
}
EXPORT_SYMBOL(snd_rawmidi_proceed);
rawmidi_is_ump(rmidi) ? "UMP" : "Legacy");
if (rmidi->ops && rmidi->ops->proc_read)
rmidi->ops->proc_read(entry, buffer);
- mutex_lock(&rmidi->open_mutex);
+ guard(mutex)(&rmidi->open_mutex);
if (rmidi->info_flags & SNDRV_RAWMIDI_INFO_OUTPUT) {
list_for_each_entry(substream,
&rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substreams,
" Owner PID : %d\n",
pid_vnr(substream->pid));
runtime = substream->runtime;
- spin_lock_irq(&substream->lock);
- buffer_size = runtime->buffer_size;
- avail = runtime->avail;
- spin_unlock_irq(&substream->lock);
+ scoped_guard(spinlock_irq, &substream->lock) {
+ buffer_size = runtime->buffer_size;
+ avail = runtime->avail;
+ }
snd_iprintf(buffer,
" Mode : %s\n"
" Buffer size : %lu\n"
" Owner PID : %d\n",
pid_vnr(substream->pid));
runtime = substream->runtime;
- spin_lock_irq(&substream->lock);
- buffer_size = runtime->buffer_size;
- avail = runtime->avail;
- xruns = runtime->xruns;
- spin_unlock_irq(&substream->lock);
+ scoped_guard(spinlock_irq, &substream->lock) {
+ buffer_size = runtime->buffer_size;
+ avail = runtime->avail;
+ xruns = runtime->xruns;
+ }
snd_iprintf(buffer,
" Buffer size : %lu\n"
" Avail : %lu\n"
}
}
}
- mutex_unlock(&rmidi->open_mutex);
}
/*
if (rmidi->device >= SNDRV_RAWMIDI_DEVICES)
return -ENOMEM;
err = 0;
- mutex_lock(®ister_mutex);
- if (snd_rawmidi_search(rmidi->card, rmidi->device))
- err = -EBUSY;
- else
- list_add_tail(&rmidi->list, &snd_rawmidi_devices);
- mutex_unlock(®ister_mutex);
+ scoped_guard(mutex, ®ister_mutex) {
+ if (snd_rawmidi_search(rmidi->card, rmidi->device))
+ err = -EBUSY;
+ else
+ list_add_tail(&rmidi->list, &snd_rawmidi_devices);
+ }
if (err < 0)
return err;
error_unregister:
snd_unregister_device(rmidi->dev);
error:
- mutex_lock(®ister_mutex);
- list_del(&rmidi->list);
- mutex_unlock(®ister_mutex);
+ scoped_guard(mutex, ®ister_mutex)
+ list_del(&rmidi->list);
return err;
}
struct snd_rawmidi *rmidi = device->device_data;
int dir;
- mutex_lock(®ister_mutex);
- mutex_lock(&rmidi->open_mutex);
+ guard(mutex)(®ister_mutex);
+ guard(mutex)(&rmidi->open_mutex);
wake_up(&rmidi->open_wait);
list_del_init(&rmidi->list);
for (dir = 0; dir < 2; dir++) {
}
#endif /* CONFIG_SND_OSSEMUL */
snd_unregister_device(rmidi->dev);
- mutex_unlock(&rmidi->open_mutex);
- mutex_unlock(®ister_mutex);
return 0;
}
among legacy and UMP clients.
config SND_SEQ_UMP_CLIENT
- tristate
def_tristate SND_UMP
endif # SND_SEQUENCER
/* misc. functions for proc interface */
-char *enabled_str(int bool);
+char *enabled_str(bool b);
#endif /* __SEQ_OSS_DEVICE_H */
snd_seq_oss_create_client(void)
{
int rc;
- struct snd_seq_port_info *port;
+ struct snd_seq_port_info *port __free(kfree) = NULL;
struct snd_seq_port_callback port_callback;
port = kzalloc(sizeof(*port), GFP_KERNEL);
- if (!port) {
- rc = -ENOMEM;
- goto __error;
- }
+ if (!port)
+ return -ENOMEM;
/* create ALSA client */
rc = snd_seq_create_kernel_client(NULL, SNDRV_SEQ_CLIENT_OSS,
"OSS sequencer");
if (rc < 0)
- goto __error;
+ return rc;
system_client = rc;
subs.dest.port = system_port;
call_ctl(SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT, &subs);
}
- rc = 0;
/* look up midi devices */
schedule_work(&async_lookup_work);
- __error:
- kfree(port);
- return rc;
+ return 0;
}
* misc. functions for proc interface
*/
char *
-enabled_str(int bool)
+enabled_str(bool b)
{
- return bool ? "enabled" : "disabled";
+ return b ? "enabled" : "disabled";
}
static const char *
int
snd_seq_oss_midi_lookup_ports(int client)
{
- struct snd_seq_client_info *clinfo;
- struct snd_seq_port_info *pinfo;
+ struct snd_seq_client_info *clinfo __free(kfree) = NULL;
+ struct snd_seq_port_info *pinfo __free(kfree) = NULL;
clinfo = kzalloc(sizeof(*clinfo), GFP_KERNEL);
pinfo = kzalloc(sizeof(*pinfo), GFP_KERNEL);
- if (! clinfo || ! pinfo) {
- kfree(clinfo);
- kfree(pinfo);
+ if (!clinfo || !pinfo)
return -ENOMEM;
- }
clinfo->client = -1;
while (snd_seq_kernel_client_ctl(client, SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT, clinfo) == 0) {
if (clinfo->client == client)
while (snd_seq_kernel_client_ctl(client, SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT, pinfo) == 0)
snd_seq_oss_midi_check_new_port(pinfo);
}
- kfree(clinfo);
- kfree(pinfo);
return 0;
}
static int snd_seq_call_port_info_ioctl(struct snd_seq_client *client, unsigned int cmd,
struct snd_seq_port_info32 __user *data32)
{
- int err = -EFAULT;
- struct snd_seq_port_info *data;
+ struct snd_seq_port_info *data __free(kfree) = NULL;
+ int err;
data = kmalloc(sizeof(*data), GFP_KERNEL);
if (!data)
if (copy_from_user(data, data32, sizeof(*data32)) ||
get_user(data->flags, &data32->flags) ||
get_user(data->time_queue, &data32->time_queue))
- goto error;
+ return -EFAULT;
data->kernel = NULL;
err = snd_seq_kernel_client_ctl(client->number, cmd, data);
if (err < 0)
- goto error;
+ return err;
if (copy_to_user(data32, data, sizeof(*data32)) ||
put_user(data->flags, &data32->flags) ||
put_user(data->time_queue, &data32->time_queue))
- err = -EFAULT;
+ return -EFAULT;
- error:
- kfree(data);
return err;
}
atomic_set(&f->overflow, 0);
snd_use_lock_sync(&f->use_lock);
- spin_lock_irq(&f->lock);
+ guard(spinlock_irq)(&f->lock);
/* drain the fifo */
while ((cell = fifo_cell_out(f)) != NULL) {
snd_seq_cell_free(cell);
}
- spin_unlock_irq(&f->lock);
}
struct snd_seq_event *event)
{
struct snd_seq_event_cell *cell;
- unsigned long flags;
int err;
if (snd_BUG_ON(!f))
}
/* append new cells to fifo */
- spin_lock_irqsave(&f->lock, flags);
- if (f->tail != NULL)
- f->tail->next = cell;
- f->tail = cell;
- if (f->head == NULL)
- f->head = cell;
- cell->next = NULL;
- f->cells++;
- spin_unlock_irqrestore(&f->lock, flags);
+ scoped_guard(spinlock_irqsave, &f->lock) {
+ if (f->tail != NULL)
+ f->tail->next = cell;
+ f->tail = cell;
+ if (f->head == NULL)
+ f->head = cell;
+ cell->next = NULL;
+ f->cells++;
+ }
/* wakeup client */
if (waitqueue_active(&f->input_sleep))
void snd_seq_fifo_cell_putback(struct snd_seq_fifo *f,
struct snd_seq_event_cell *cell)
{
- unsigned long flags;
-
if (cell) {
- spin_lock_irqsave(&f->lock, flags);
+ guard(spinlock_irqsave)(&f->lock);
cell->next = f->head;
f->head = cell;
if (!f->tail)
f->tail = cell;
f->cells++;
- spin_unlock_irqrestore(&f->lock, flags);
}
}
return -ENOMEM;
}
- spin_lock_irq(&f->lock);
- /* remember old pool */
- oldpool = f->pool;
- oldhead = f->head;
- /* exchange pools */
- f->pool = newpool;
- f->head = NULL;
- f->tail = NULL;
- f->cells = 0;
- /* NOTE: overflow flag is not cleared */
- spin_unlock_irq(&f->lock);
+ scoped_guard(spinlock_irq, &f->lock) {
+ /* remember old pool */
+ oldpool = f->pool;
+ oldhead = f->head;
+ /* exchange pools */
+ f->pool = newpool;
+ f->head = NULL;
+ f->tail = NULL;
+ f->cells = 0;
+ /* NOTE: overflow flag is not cleared */
+ }
/* close the old pool and wait until all users are gone */
snd_seq_pool_mark_closing(oldpool);
/* get the number of unused cells safely */
int snd_seq_fifo_unused_cells(struct snd_seq_fifo *f)
{
- unsigned long flags;
int cells;
if (!f)
return 0;
snd_use_lock_use(&f->use_lock);
- spin_lock_irqsave(&f->lock, flags);
- cells = snd_seq_unused_cells(f->pool);
- spin_unlock_irqrestore(&f->lock, flags);
+ scoped_guard(spinlock_irqsave, &f->lock)
+ cells = snd_seq_unused_cells(f->pool);
snd_use_lock_free(&f->use_lock);
return cells;
}
void snd_seq_cell_free(struct snd_seq_event_cell * cell)
{
- unsigned long flags;
struct snd_seq_pool *pool;
if (snd_BUG_ON(!cell))
if (snd_BUG_ON(!pool))
return;
- spin_lock_irqsave(&pool->lock, flags);
+ guard(spinlock_irqsave)(&pool->lock);
free_cell(pool, cell);
if (snd_seq_ev_is_variable(&cell->event)) {
if (cell->event.data.ext.len & SNDRV_SEQ_EXT_CHAINED) {
if (snd_seq_output_ok(pool))
wake_up(&pool->output_sleep);
}
- spin_unlock_irqrestore(&pool->lock, flags);
}
return -ENOMEM;
/* add new cells to the free cell list */
- spin_lock_irq(&pool->lock);
+ guard(spinlock_irq)(&pool->lock);
if (pool->ptr) {
- spin_unlock_irq(&pool->lock);
kvfree(cellptr);
return 0;
}
/* init statistics */
pool->max_used = 0;
pool->total_elements = pool->size;
- spin_unlock_irq(&pool->lock);
return 0;
}
/* refuse the further insertion to the pool */
void snd_seq_pool_mark_closing(struct snd_seq_pool *pool)
{
- unsigned long flags;
-
if (snd_BUG_ON(!pool))
return;
- spin_lock_irqsave(&pool->lock, flags);
+ guard(spinlock_irqsave)(&pool->lock);
pool->closing = 1;
- spin_unlock_irqrestore(&pool->lock, flags);
}
/* remove events */
schedule_timeout_uninterruptible(1);
/* release all resources */
- spin_lock_irq(&pool->lock);
- ptr = pool->ptr;
- pool->ptr = NULL;
- pool->free = NULL;
- pool->total_elements = 0;
- spin_unlock_irq(&pool->lock);
+ scoped_guard(spinlock_irq, &pool->lock) {
+ ptr = pool->ptr;
+ pool->ptr = NULL;
+ pool->free = NULL;
+ pool->total_elements = 0;
+ }
kvfree(ptr);
- spin_lock_irq(&pool->lock);
+ guard(spinlock_irq)(&pool->lock);
pool->closing = 0;
- spin_unlock_irq(&pool->lock);
return 0;
}
return 0;
}
+/* callback for snd_seq_dump_var_event(), bridging to dump_midi() */
+static int __dump_midi(void *ptr, void *buf, int count)
+{
+ return dump_midi(ptr, buf, count);
+}
+
static int event_process_midi(struct snd_seq_event *ev, int direct,
void *private_data, int atomic, int hop)
{
pr_debug("ALSA: seq_midi: invalid sysex event flags = 0x%x\n", ev->flags);
return 0;
}
- snd_seq_dump_var_event(ev, (snd_seq_dump_func_t)dump_midi, substream);
+ snd_seq_dump_var_event(ev, __dump_midi, substream);
snd_midi_event_reset_decode(msynth->parser);
} else {
if (msynth->parser == NULL)
struct snd_seq_device *dev = to_seq_dev(_dev);
struct seq_midisynth_client *client;
struct seq_midisynth *msynth, *ms;
- struct snd_seq_port_info *port;
- struct snd_rawmidi_info *info;
+ struct snd_seq_port_info *port __free(kfree) = NULL;
+ struct snd_rawmidi_info *info __free(kfree) = NULL;
struct snd_rawmidi *rmidi = dev->private_data;
int newclient = 0;
unsigned int p, ports;
ports = output_count;
if (ports < input_count)
ports = input_count;
- if (ports == 0) {
- kfree(info);
+ if (ports == 0)
return -ENODEV;
- }
if (ports > (256 / SNDRV_RAWMIDI_DEVICES))
ports = 256 / SNDRV_RAWMIDI_DEVICES;
- mutex_lock(®ister_mutex);
+ guard(mutex)(®ister_mutex);
client = synths[card->number];
if (client == NULL) {
newclient = 1;
client = kzalloc(sizeof(*client), GFP_KERNEL);
- if (client == NULL) {
- mutex_unlock(®ister_mutex);
- kfree(info);
+ if (client == NULL)
return -ENOMEM;
- }
client->seq_client =
snd_seq_create_kernel_client(
card, 0, "%s", card->shortname[0] ?
(const char *)card->shortname : "External MIDI");
if (client->seq_client < 0) {
kfree(client);
- mutex_unlock(®ister_mutex);
- kfree(info);
return -ENOMEM;
}
}
client->num_ports++;
if (newclient)
synths[card->number] = client;
- mutex_unlock(®ister_mutex);
- kfree(info);
- kfree(port);
return 0; /* success */
__nomem:
snd_seq_delete_kernel_client(client->seq_client);
kfree(client);
}
- kfree(info);
- kfree(port);
- mutex_unlock(®ister_mutex);
return -ENOMEM;
}
struct snd_card *card = dev->card;
int device = dev->device, p, ports;
- mutex_lock(®ister_mutex);
+ guard(mutex)(®ister_mutex);
client = synths[card->number];
- if (client == NULL || client->ports[device] == NULL) {
- mutex_unlock(®ister_mutex);
+ if (client == NULL || client->ports[device] == NULL)
return -ENODEV;
- }
ports = client->ports_per_device[device];
client->ports_per_device[device] = 0;
msynth = client->ports[device];
synths[card->number] = NULL;
kfree(client);
}
- mutex_unlock(®ister_mutex);
return 0;
}
void snd_midi_event_reset_encode(struct snd_midi_event *dev)
{
- unsigned long flags;
-
- spin_lock_irqsave(&dev->lock, flags);
+ guard(spinlock_irqsave)(&dev->lock);
reset_encode(dev);
- spin_unlock_irqrestore(&dev->lock, flags);
}
EXPORT_SYMBOL(snd_midi_event_reset_encode);
void snd_midi_event_reset_decode(struct snd_midi_event *dev)
{
- unsigned long flags;
-
- spin_lock_irqsave(&dev->lock, flags);
+ guard(spinlock_irqsave)(&dev->lock);
dev->lastcmd = 0xff;
- spin_unlock_irqrestore(&dev->lock, flags);
}
EXPORT_SYMBOL(snd_midi_event_reset_decode);
struct snd_seq_event *ev)
{
bool rc = false;
- unsigned long flags;
if (c >= MIDI_CMD_COMMON_CLOCK) {
/* real-time event */
return ev->type != SNDRV_SEQ_EVENT_NONE;
}
- spin_lock_irqsave(&dev->lock, flags);
+ guard(spinlock_irqsave)(&dev->lock);
if ((c & 0x80) &&
(c != MIDI_CMD_COMMON_SYSEX_END || dev->type != ST_SYSEX)) {
/* new command */
}
}
- spin_unlock_irqrestore(&dev->lock, flags);
return rc;
}
EXPORT_SYMBOL(snd_midi_event_encode_byte);
if (client == NULL)
return NULL;
- read_lock(&client->ports_lock);
+ guard(read_lock)(&client->ports_lock);
list_for_each_entry(port, &client->ports_list_head, list) {
if (port->addr.port == num) {
if (port->closing)
break; /* deleting now */
snd_use_lock_use(&port->use_lock);
- read_unlock(&client->ports_lock);
return port;
}
}
- read_unlock(&client->ports_lock);
return NULL; /* not found */
}
num = pinfo->addr.port;
found = NULL;
- read_lock(&client->ports_lock);
+ guard(read_lock)(&client->ports_lock);
list_for_each_entry(port, &client->ports_list_head, list) {
if ((port->capability & SNDRV_SEQ_PORT_CAP_INACTIVE) &&
!check_inactive)
else
snd_use_lock_use(&found->use_lock);
}
- read_unlock(&client->ports_lock);
return found;
}
snd_use_lock_use(&new_port->use_lock);
num = max(port, 0);
- mutex_lock(&client->ports_mutex);
- write_lock_irq(&client->ports_lock);
+ guard(mutex)(&client->ports_mutex);
+ guard(write_lock_irq)(&client->ports_lock);
list_for_each_entry(p, &client->ports_list_head, list) {
if (p->addr.port == port) {
kfree(new_port);
- num = -EBUSY;
- goto unlock;
+ return -EBUSY;
}
if (p->addr.port > num)
break;
new_port->addr.port = num; /* store the port number in the port */
sprintf(new_port->name, "port-%d", num);
*port_ret = new_port;
- unlock:
- write_unlock_irq(&client->ports_lock);
- mutex_unlock(&client->ports_mutex);
return num;
}
{
struct snd_seq_client_port *found = NULL, *p;
- mutex_lock(&client->ports_mutex);
- write_lock_irq(&client->ports_lock);
- list_for_each_entry(p, &client->ports_list_head, list) {
- if (p->addr.port == port) {
- /* ok found. delete from the list at first */
- list_del(&p->list);
- client->num_ports--;
- found = p;
- break;
+ scoped_guard(mutex, &client->ports_mutex) {
+ guard(write_lock_irq)(&client->ports_lock);
+ list_for_each_entry(p, &client->ports_list_head, list) {
+ if (p->addr.port == port) {
+ /* ok found. delete from the list at first */
+ list_del(&p->list);
+ client->num_ports--;
+ found = p;
+ break;
+ }
}
}
- write_unlock_irq(&client->ports_lock);
- mutex_unlock(&client->ports_mutex);
if (found)
return port_delete(client, found);
else
/* move the port list to deleted_list, and
* clear the port list in the client data.
*/
- mutex_lock(&client->ports_mutex);
- write_lock_irq(&client->ports_lock);
- if (! list_empty(&client->ports_list_head)) {
- list_add(&deleted_list, &client->ports_list_head);
- list_del_init(&client->ports_list_head);
- } else {
- INIT_LIST_HEAD(&deleted_list);
+ guard(mutex)(&client->ports_mutex);
+ scoped_guard(write_lock_irq, &client->ports_lock) {
+ if (!list_empty(&client->ports_list_head)) {
+ list_add(&deleted_list, &client->ports_list_head);
+ list_del_init(&client->ports_list_head);
+ } else {
+ INIT_LIST_HEAD(&deleted_list);
+ }
+ client->num_ports = 0;
}
- client->num_ports = 0;
- write_unlock_irq(&client->ports_lock);
/* remove each port in deleted_list */
list_for_each_entry_safe(port, tmp, &deleted_list, list) {
snd_seq_system_client_ev_port_exit(port->addr.client, port->addr.port);
port_delete(client, port);
}
- mutex_unlock(&client->ports_mutex);
return 0;
}
int err;
grp = is_src ? &port->c_src : &port->c_dest;
- err = -EBUSY;
- down_write(&grp->list_mutex);
+ guard(rwsem_write)(&grp->list_mutex);
if (exclusive) {
if (!list_empty(&grp->list_head))
- goto __error;
+ return -EBUSY;
} else {
if (grp->exclusive)
- goto __error;
+ return -EBUSY;
/* check whether already exists */
list_for_each(p, &grp->list_head) {
s = get_subscriber(p, is_src);
if (match_subs_info(&subs->info, &s->info))
- goto __error;
+ return -EBUSY;
}
}
err = subscribe_port(client, port, grp, &subs->info, ack);
if (err < 0) {
grp->exclusive = 0;
- goto __error;
+ return err;
}
/* add to list */
- write_lock_irq(&grp->list_lock);
+ guard(write_lock_irq)(&grp->list_lock);
if (is_src)
list_add_tail(&subs->src_list, &grp->list_head);
else
list_add_tail(&subs->dest_list, &grp->list_head);
grp->exclusive = exclusive;
atomic_inc(&subs->ref_count);
- write_unlock_irq(&grp->list_lock);
- err = 0;
- __error:
- up_write(&grp->list_mutex);
- return err;
+ return 0;
}
/* called with grp->list_mutex held */
grp = is_src ? &port->c_src : &port->c_dest;
list = is_src ? &subs->src_list : &subs->dest_list;
- write_lock_irq(&grp->list_lock);
- empty = list_empty(list);
- if (!empty)
- list_del_init(list);
- grp->exclusive = 0;
- write_unlock_irq(&grp->list_lock);
+ scoped_guard(write_lock_irq, &grp->list_lock) {
+ empty = list_empty(list);
+ if (!empty)
+ list_del_init(list);
+ grp->exclusive = 0;
+ }
if (!empty)
unsubscribe_port(client, port, grp, &subs->info, ack);
struct snd_seq_port_subs_info *grp;
grp = is_src ? &port->c_src : &port->c_dest;
- down_write(&grp->list_mutex);
+ guard(rwsem_write)(&grp->list_mutex);
__delete_and_unsubscribe_port(client, port, subs, is_src, ack);
- up_write(&grp->list_mutex);
}
/* connect two ports */
/* always start from deleting the dest port for avoiding concurrent
* deletions
*/
- down_write(&dest->list_mutex);
- /* look for the connection */
- list_for_each_entry(subs, &dest->list_head, dest_list) {
- if (match_subs_info(info, &subs->info)) {
- __delete_and_unsubscribe_port(dest_client, dest_port,
- subs, false,
- connector->number != dest_client->number);
- err = 0;
- break;
+ scoped_guard(rwsem_write, &dest->list_mutex) {
+ /* look for the connection */
+ list_for_each_entry(subs, &dest->list_head, dest_list) {
+ if (match_subs_info(info, &subs->info)) {
+ __delete_and_unsubscribe_port(dest_client, dest_port,
+ subs, false,
+ connector->number != dest_client->number);
+ err = 0;
+ break;
+ }
}
}
- up_write(&dest->list_mutex);
if (err < 0)
return err;
struct snd_seq_subscribers *s;
int err = -ENOENT;
- down_read(&src_grp->list_mutex);
+ guard(rwsem_read)(&src_grp->list_mutex);
list_for_each_entry(s, &src_grp->list_head, src_list) {
if (addr_match(dest_addr, &s->info.dest)) {
*subs = s->info;
break;
}
}
- up_read(&src_grp->list_mutex);
return err;
}
struct snd_seq_event_cell * cell)
{
struct snd_seq_event_cell *cur, *prev;
- unsigned long flags;
int count;
int prior;
/* check flags */
prior = (cell->event.flags & SNDRV_SEQ_PRIORITY_MASK);
- spin_lock_irqsave(&f->lock, flags);
+ guard(spinlock_irqsave)(&f->lock);
/* check if this element needs to inserted at the end (ie. ordered
data is inserted) This will be very likeley if a sequencer
f->tail = cell;
cell->next = NULL;
f->cells++;
- spin_unlock_irqrestore(&f->lock, flags);
return 0;
}
}
prev = cur;
cur = cur->next;
if (! --count) {
- spin_unlock_irqrestore(&f->lock, flags);
pr_err("ALSA: seq: cannot find a pointer.. infinite loop?\n");
return -EINVAL;
}
if (cur == NULL) /* reached end of the list */
f->tail = cell;
f->cells++;
- spin_unlock_irqrestore(&f->lock, flags);
return 0;
}
void *current_time)
{
struct snd_seq_event_cell *cell;
- unsigned long flags;
if (f == NULL) {
pr_debug("ALSA: seq: snd_seq_prioq_cell_in() called with NULL prioq\n");
return NULL;
}
- spin_lock_irqsave(&f->lock, flags);
+ guard(spinlock_irqsave)(&f->lock);
cell = f->head;
if (cell && current_time && !event_is_ready(&cell->event, current_time))
cell = NULL;
f->cells--;
}
- spin_unlock_irqrestore(&f->lock, flags);
return cell;
}
return f->cells;
}
-static inline int prioq_match(struct snd_seq_event_cell *cell,
- int client, int timestamp)
-{
- if (cell->event.source.client == client ||
- cell->event.dest.client == client)
- return 1;
- if (!timestamp)
- return 0;
- switch (cell->event.flags & SNDRV_SEQ_TIME_STAMP_MASK) {
- case SNDRV_SEQ_TIME_STAMP_TICK:
- if (cell->event.time.tick)
- return 1;
- break;
- case SNDRV_SEQ_TIME_STAMP_REAL:
- if (cell->event.time.time.tv_sec ||
- cell->event.time.time.tv_nsec)
- return 1;
- break;
- }
- return 0;
-}
-
-/* remove cells for left client */
-void snd_seq_prioq_leave(struct snd_seq_prioq * f, int client, int timestamp)
+/* remove cells matching with the condition */
+static void prioq_remove_cells(struct snd_seq_prioq *f,
+ bool (*match)(struct snd_seq_event_cell *cell,
+ void *arg),
+ void *arg)
{
register struct snd_seq_event_cell *cell, *next;
- unsigned long flags;
struct snd_seq_event_cell *prev = NULL;
struct snd_seq_event_cell *freefirst = NULL, *freeprev = NULL, *freenext;
/* collect all removed cells */
- spin_lock_irqsave(&f->lock, flags);
- cell = f->head;
- while (cell) {
- next = cell->next;
- if (prioq_match(cell, client, timestamp)) {
+ scoped_guard(spinlock_irqsave, &f->lock) {
+ for (cell = f->head; cell; cell = next) {
+ next = cell->next;
+ if (!match(cell, arg)) {
+ prev = cell;
+ continue;
+ }
+
/* remove cell from prioq */
- if (cell == f->head) {
+ if (cell == f->head)
f->head = cell->next;
- } else {
+ else
prev->next = cell->next;
- }
if (cell == f->tail)
f->tail = cell->next;
f->cells--;
+
/* add cell to free list */
cell->next = NULL;
- if (freefirst == NULL) {
+ if (freefirst == NULL)
freefirst = cell;
- } else {
+ else
freeprev->next = cell;
- }
freeprev = cell;
- } else {
-#if 0
- pr_debug("ALSA: seq: type = %i, source = %i, dest = %i, "
- "client = %i\n",
- cell->event.type,
- cell->event.source.client,
- cell->event.dest.client,
- client);
-#endif
- prev = cell;
}
- cell = next;
}
- spin_unlock_irqrestore(&f->lock, flags);
/* remove selected cells */
while (freefirst) {
}
}
-static int prioq_remove_match(struct snd_seq_remove_events *info,
- struct snd_seq_event *ev)
+struct prioq_match_arg {
+ int client;
+ int timestamp;
+};
+
+static inline bool prioq_match(struct snd_seq_event_cell *cell, void *arg)
+{
+ struct prioq_match_arg *v = arg;
+
+ if (cell->event.source.client == v->client ||
+ cell->event.dest.client == v->client)
+ return true;
+ if (!v->timestamp)
+ return false;
+ switch (cell->event.flags & SNDRV_SEQ_TIME_STAMP_MASK) {
+ case SNDRV_SEQ_TIME_STAMP_TICK:
+ if (cell->event.time.tick)
+ return true;
+ break;
+ case SNDRV_SEQ_TIME_STAMP_REAL:
+ if (cell->event.time.time.tv_sec ||
+ cell->event.time.time.tv_nsec)
+ return true;
+ break;
+ }
+ return false;
+}
+
+/* remove cells for left client */
+void snd_seq_prioq_leave(struct snd_seq_prioq *f, int client, int timestamp)
{
+ struct prioq_match_arg arg = { client, timestamp };
+
+ return prioq_remove_cells(f, prioq_match, &arg);
+}
+
+struct prioq_remove_match_arg {
+ int client;
+ struct snd_seq_remove_events *info;
+};
+
+static bool prioq_remove_match(struct snd_seq_event_cell *cell, void *arg)
+{
+ struct prioq_remove_match_arg *v = arg;
+ struct snd_seq_event *ev = &cell->event;
+ struct snd_seq_remove_events *info = v->info;
int res;
+ if (ev->source.client != v->client)
+ return false;
+
if (info->remove_mode & SNDRV_SEQ_REMOVE_DEST) {
if (ev->dest.client != info->dest.client ||
ev->dest.port != info->dest.port)
- return 0;
+ return false;
}
if (info->remove_mode & SNDRV_SEQ_REMOVE_DEST_CHANNEL) {
if (! snd_seq_ev_is_channel_type(ev))
- return 0;
+ return false;
/* data.note.channel and data.control.channel are identical */
if (ev->data.note.channel != info->channel)
- return 0;
+ return false;
}
if (info->remove_mode & SNDRV_SEQ_REMOVE_TIME_AFTER) {
if (info->remove_mode & SNDRV_SEQ_REMOVE_TIME_TICK)
else
res = snd_seq_compare_real_time(&ev->time.time, &info->time.time);
if (!res)
- return 0;
+ return false;
}
if (info->remove_mode & SNDRV_SEQ_REMOVE_TIME_BEFORE) {
if (info->remove_mode & SNDRV_SEQ_REMOVE_TIME_TICK)
else
res = snd_seq_compare_real_time(&ev->time.time, &info->time.time);
if (res)
- return 0;
+ return false;
}
if (info->remove_mode & SNDRV_SEQ_REMOVE_EVENT_TYPE) {
if (ev->type != info->type)
- return 0;
+ return false;
}
if (info->remove_mode & SNDRV_SEQ_REMOVE_IGNORE_OFF) {
/* Do not remove off events */
switch (ev->type) {
case SNDRV_SEQ_EVENT_NOTEOFF:
/* case SNDRV_SEQ_EVENT_SAMPLE_STOP: */
- return 0;
+ return false;
default:
break;
}
}
if (info->remove_mode & SNDRV_SEQ_REMOVE_TAG_MATCH) {
if (info->tag != ev->tag)
- return 0;
+ return false;
}
- return 1;
+ return true;
}
/* remove cells matching remove criteria */
void snd_seq_prioq_remove_events(struct snd_seq_prioq * f, int client,
struct snd_seq_remove_events *info)
{
- struct snd_seq_event_cell *cell, *next;
- unsigned long flags;
- struct snd_seq_event_cell *prev = NULL;
- struct snd_seq_event_cell *freefirst = NULL, *freeprev = NULL, *freenext;
-
- /* collect all removed cells */
- spin_lock_irqsave(&f->lock, flags);
- cell = f->head;
-
- while (cell) {
- next = cell->next;
- if (cell->event.source.client == client &&
- prioq_remove_match(info, &cell->event)) {
+ struct prioq_remove_match_arg arg = { client, info };
- /* remove cell from prioq */
- if (cell == f->head) {
- f->head = cell->next;
- } else {
- prev->next = cell->next;
- }
-
- if (cell == f->tail)
- f->tail = cell->next;
- f->cells--;
-
- /* add cell to free list */
- cell->next = NULL;
- if (freefirst == NULL) {
- freefirst = cell;
- } else {
- freeprev->next = cell;
- }
-
- freeprev = cell;
- } else {
- prev = cell;
- }
- cell = next;
- }
- spin_unlock_irqrestore(&f->lock, flags);
-
- /* remove selected cells */
- while (freefirst) {
- freenext = freefirst->next;
- snd_seq_cell_free(freefirst);
- freefirst = freenext;
- }
+ return prioq_remove_cells(f, prioq_remove_match, &arg);
}
-
-
static int queue_list_add(struct snd_seq_queue *q)
{
int i;
- unsigned long flags;
- spin_lock_irqsave(&queue_list_lock, flags);
+ guard(spinlock_irqsave)(&queue_list_lock);
for (i = 0; i < SNDRV_SEQ_MAX_QUEUES; i++) {
if (! queue_list[i]) {
queue_list[i] = q;
q->queue = i;
num_queues++;
- spin_unlock_irqrestore(&queue_list_lock, flags);
return i;
}
}
- spin_unlock_irqrestore(&queue_list_lock, flags);
return -1;
}
static struct snd_seq_queue *queue_list_remove(int id, int client)
{
struct snd_seq_queue *q;
- unsigned long flags;
- spin_lock_irqsave(&queue_list_lock, flags);
+ guard(spinlock_irqsave)(&queue_list_lock);
q = queue_list[id];
if (q) {
- spin_lock(&q->owner_lock);
+ guard(spinlock)(&q->owner_lock);
if (q->owner == client) {
/* found */
q->klocked = 1;
- spin_unlock(&q->owner_lock);
queue_list[id] = NULL;
num_queues--;
- spin_unlock_irqrestore(&queue_list_lock, flags);
return q;
}
- spin_unlock(&q->owner_lock);
}
- spin_unlock_irqrestore(&queue_list_lock, flags);
return NULL;
}
struct snd_seq_queue *queueptr(int queueid)
{
struct snd_seq_queue *q;
- unsigned long flags;
if (queueid < 0 || queueid >= SNDRV_SEQ_MAX_QUEUES)
return NULL;
- spin_lock_irqsave(&queue_list_lock, flags);
+ guard(spinlock_irqsave)(&queue_list_lock);
q = queue_list[queueid];
if (q)
snd_use_lock_use(&q->use_lock);
- spin_unlock_irqrestore(&queue_list_lock, flags);
return q;
}
void snd_seq_check_queue(struct snd_seq_queue *q, int atomic, int hop)
{
- unsigned long flags;
struct snd_seq_event_cell *cell;
snd_seq_tick_time_t cur_tick;
snd_seq_real_time_t cur_time;
return;
/* make this function non-reentrant */
- spin_lock_irqsave(&q->check_lock, flags);
- if (q->check_blocked) {
- q->check_again = 1;
- spin_unlock_irqrestore(&q->check_lock, flags);
- return; /* other thread is already checking queues */
+ scoped_guard(spinlock_irqsave, &q->check_lock) {
+ if (q->check_blocked) {
+ q->check_again = 1;
+ return; /* other thread is already checking queues */
+ }
+ q->check_blocked = 1;
}
- q->check_blocked = 1;
- spin_unlock_irqrestore(&q->check_lock, flags);
__again:
/* Process tick queue... */
out:
/* free lock */
- spin_lock_irqsave(&q->check_lock, flags);
- if (q->check_again) {
- q->check_again = 0;
- if (processed < MAX_CELL_PROCESSES_IN_QUEUE) {
- spin_unlock_irqrestore(&q->check_lock, flags);
- goto __again;
+ scoped_guard(spinlock_irqsave, &q->check_lock) {
+ if (q->check_again) {
+ q->check_again = 0;
+ if (processed < MAX_CELL_PROCESSES_IN_QUEUE)
+ goto __again;
}
+ q->check_blocked = 0;
}
- q->check_blocked = 0;
- spin_unlock_irqrestore(&q->check_lock, flags);
}
*/
static int queue_access_lock(struct snd_seq_queue *q, int client)
{
- unsigned long flags;
int access_ok;
- spin_lock_irqsave(&q->owner_lock, flags);
+ guard(spinlock_irqsave)(&q->owner_lock);
access_ok = check_access(q, client);
if (access_ok)
q->klocked = 1;
- spin_unlock_irqrestore(&q->owner_lock, flags);
return access_ok;
}
/* unlock the queue */
static inline void queue_access_unlock(struct snd_seq_queue *q)
{
- unsigned long flags;
-
- spin_lock_irqsave(&q->owner_lock, flags);
+ guard(spinlock_irqsave)(&q->owner_lock);
q->klocked = 0;
- spin_unlock_irqrestore(&q->owner_lock, flags);
}
/* exported - only checking permission */
{
struct snd_seq_queue *q = queueptr(queueid);
int access_ok;
- unsigned long flags;
if (! q)
return 0;
- spin_lock_irqsave(&q->owner_lock, flags);
- access_ok = check_access(q, client);
- spin_unlock_irqrestore(&q->owner_lock, flags);
+ scoped_guard(spinlock_irqsave, &q->owner_lock)
+ access_ok = check_access(q, client);
queuefree(q);
return access_ok;
}
int snd_seq_queue_set_owner(int queueid, int client, int locked)
{
struct snd_seq_queue *q = queueptr(queueid);
- unsigned long flags;
if (q == NULL)
return -EINVAL;
return -EPERM;
}
- spin_lock_irqsave(&q->owner_lock, flags);
- q->locked = locked ? 1 : 0;
- q->owner = client;
- spin_unlock_irqrestore(&q->owner_lock, flags);
+ scoped_guard(spinlock_irqsave, &q->owner_lock) {
+ q->locked = locked ? 1 : 0;
+ q->owner = client;
+ }
queue_access_unlock(q);
queuefree(q);
else
bpm = 0;
- spin_lock_irq(&q->owner_lock);
- locked = q->locked;
- owner = q->owner;
- spin_unlock_irq(&q->owner_lock);
+ scoped_guard(spinlock_irq, &q->owner_lock) {
+ locked = q->locked;
+ owner = q->owner;
+ }
snd_iprintf(buffer, "queue %d: [%s]\n", q->queue, q->name);
snd_iprintf(buffer, "owned by client : %d\n", owner);
void snd_seq_timer_defaults(struct snd_seq_timer * tmr)
{
- unsigned long flags;
-
- spin_lock_irqsave(&tmr->lock, flags);
+ guard(spinlock_irqsave)(&tmr->lock);
/* setup defaults */
tmr->ppq = 96; /* 96 PPQ */
tmr->tempo = 500000; /* 120 BPM */
tmr->preferred_resolution = seq_default_timer_resolution;
tmr->skew = tmr->skew_base = SKEW_BASE;
- spin_unlock_irqrestore(&tmr->lock, flags);
}
static void seq_timer_reset(struct snd_seq_timer *tmr)
void snd_seq_timer_reset(struct snd_seq_timer *tmr)
{
- unsigned long flags;
-
- spin_lock_irqsave(&tmr->lock, flags);
+ guard(spinlock_irqsave)(&tmr->lock);
seq_timer_reset(tmr);
- spin_unlock_irqrestore(&tmr->lock, flags);
}
unsigned long resolution,
unsigned long ticks)
{
- unsigned long flags;
struct snd_seq_queue *q = timeri->callback_data;
struct snd_seq_timer *tmr;
tmr = q->timer;
if (tmr == NULL)
return;
- spin_lock_irqsave(&tmr->lock, flags);
- if (!tmr->running) {
- spin_unlock_irqrestore(&tmr->lock, flags);
- return;
- }
- resolution *= ticks;
- if (tmr->skew != tmr->skew_base) {
- /* FIXME: assuming skew_base = 0x10000 */
- resolution = (resolution >> 16) * tmr->skew +
- (((resolution & 0xffff) * tmr->skew) >> 16);
- }
+ scoped_guard(spinlock_irqsave, &tmr->lock) {
+ if (!tmr->running)
+ return;
- /* update timer */
- snd_seq_inc_time_nsec(&tmr->cur_time, resolution);
+ resolution *= ticks;
+ if (tmr->skew != tmr->skew_base) {
+ /* FIXME: assuming skew_base = 0x10000 */
+ resolution = (resolution >> 16) * tmr->skew +
+ (((resolution & 0xffff) * tmr->skew) >> 16);
+ }
- /* calculate current tick */
- snd_seq_timer_update_tick(&tmr->tick, resolution);
+ /* update timer */
+ snd_seq_inc_time_nsec(&tmr->cur_time, resolution);
- /* register actual time of this timer update */
- ktime_get_ts64(&tmr->last_update);
+ /* calculate current tick */
+ snd_seq_timer_update_tick(&tmr->tick, resolution);
- spin_unlock_irqrestore(&tmr->lock, flags);
+ /* register actual time of this timer update */
+ ktime_get_ts64(&tmr->last_update);
+ }
/* check queues and dispatch events */
snd_seq_check_queue(q, 1, 0);
/* set current tempo */
int snd_seq_timer_set_tempo(struct snd_seq_timer * tmr, int tempo)
{
- unsigned long flags;
-
if (snd_BUG_ON(!tmr))
return -EINVAL;
if (tempo <= 0)
return -EINVAL;
- spin_lock_irqsave(&tmr->lock, flags);
+ guard(spinlock_irqsave)(&tmr->lock);
if ((unsigned int)tempo != tmr->tempo) {
tmr->tempo = tempo;
snd_seq_timer_set_tick_resolution(tmr);
}
- spin_unlock_irqrestore(&tmr->lock, flags);
return 0;
}
int snd_seq_timer_set_tempo_ppq(struct snd_seq_timer *tmr, int tempo, int ppq)
{
int changed;
- unsigned long flags;
if (snd_BUG_ON(!tmr))
return -EINVAL;
if (tempo <= 0 || ppq <= 0)
return -EINVAL;
- spin_lock_irqsave(&tmr->lock, flags);
+ guard(spinlock_irqsave)(&tmr->lock);
if (tmr->running && (ppq != tmr->ppq)) {
/* refuse to change ppq on running timers */
/* because it will upset the song position (ticks) */
- spin_unlock_irqrestore(&tmr->lock, flags);
pr_debug("ALSA: seq: cannot change ppq of a running timer\n");
return -EBUSY;
}
tmr->ppq = ppq;
if (changed)
snd_seq_timer_set_tick_resolution(tmr);
- spin_unlock_irqrestore(&tmr->lock, flags);
return 0;
}
int snd_seq_timer_set_position_tick(struct snd_seq_timer *tmr,
snd_seq_tick_time_t position)
{
- unsigned long flags;
-
if (snd_BUG_ON(!tmr))
return -EINVAL;
- spin_lock_irqsave(&tmr->lock, flags);
+ guard(spinlock_irqsave)(&tmr->lock);
tmr->tick.cur_tick = position;
tmr->tick.fraction = 0;
- spin_unlock_irqrestore(&tmr->lock, flags);
return 0;
}
int snd_seq_timer_set_position_time(struct snd_seq_timer *tmr,
snd_seq_real_time_t position)
{
- unsigned long flags;
-
if (snd_BUG_ON(!tmr))
return -EINVAL;
snd_seq_sanity_real_time(&position);
- spin_lock_irqsave(&tmr->lock, flags);
+ guard(spinlock_irqsave)(&tmr->lock);
tmr->cur_time = position;
- spin_unlock_irqrestore(&tmr->lock, flags);
return 0;
}
int snd_seq_timer_set_skew(struct snd_seq_timer *tmr, unsigned int skew,
unsigned int base)
{
- unsigned long flags;
-
if (snd_BUG_ON(!tmr))
return -EINVAL;
pr_debug("ALSA: seq: invalid skew base 0x%x\n", base);
return -EINVAL;
}
- spin_lock_irqsave(&tmr->lock, flags);
+ guard(spinlock_irqsave)(&tmr->lock);
tmr->skew = skew;
- spin_unlock_irqrestore(&tmr->lock, flags);
return 0;
}
snd_timer_instance_free(t);
return err;
}
- spin_lock_irq(&tmr->lock);
- if (tmr->timeri)
- err = -EBUSY;
- else
- tmr->timeri = t;
- spin_unlock_irq(&tmr->lock);
+ scoped_guard(spinlock_irq, &tmr->lock) {
+ if (tmr->timeri)
+ err = -EBUSY;
+ else
+ tmr->timeri = t;
+ }
if (err < 0) {
snd_timer_close(t);
snd_timer_instance_free(t);
tmr = q->timer;
if (snd_BUG_ON(!tmr))
return -EINVAL;
- spin_lock_irq(&tmr->lock);
- t = tmr->timeri;
- tmr->timeri = NULL;
- spin_unlock_irq(&tmr->lock);
+ scoped_guard(spinlock_irq, &tmr->lock) {
+ t = tmr->timeri;
+ tmr->timeri = NULL;
+ }
if (t) {
snd_timer_close(t);
snd_timer_instance_free(t);
int snd_seq_timer_stop(struct snd_seq_timer *tmr)
{
- unsigned long flags;
- int err;
-
- spin_lock_irqsave(&tmr->lock, flags);
- err = seq_timer_stop(tmr);
- spin_unlock_irqrestore(&tmr->lock, flags);
- return err;
+ guard(spinlock_irqsave)(&tmr->lock);
+ return seq_timer_stop(tmr);
}
static int initialize_timer(struct snd_seq_timer *tmr)
int snd_seq_timer_start(struct snd_seq_timer *tmr)
{
- unsigned long flags;
- int err;
-
- spin_lock_irqsave(&tmr->lock, flags);
- err = seq_timer_start(tmr);
- spin_unlock_irqrestore(&tmr->lock, flags);
- return err;
+ guard(spinlock_irqsave)(&tmr->lock);
+ return seq_timer_start(tmr);
}
static int seq_timer_continue(struct snd_seq_timer *tmr)
int snd_seq_timer_continue(struct snd_seq_timer *tmr)
{
- unsigned long flags;
- int err;
-
- spin_lock_irqsave(&tmr->lock, flags);
- err = seq_timer_continue(tmr);
- spin_unlock_irqrestore(&tmr->lock, flags);
- return err;
+ guard(spinlock_irqsave)(&tmr->lock);
+ return seq_timer_continue(tmr);
}
/* return current 'real' time. use timeofday() to get better granularity. */
bool adjust_ktime)
{
snd_seq_real_time_t cur_time;
- unsigned long flags;
- spin_lock_irqsave(&tmr->lock, flags);
+ guard(spinlock_irqsave)(&tmr->lock);
cur_time = tmr->cur_time;
if (adjust_ktime && tmr->running) {
struct timespec64 tm;
cur_time.tv_sec += tm.tv_sec;
snd_seq_sanity_real_time(&cur_time);
}
- spin_unlock_irqrestore(&tmr->lock, flags);
return cur_time;
}
high PPQ values) */
snd_seq_tick_time_t snd_seq_timer_get_cur_tick(struct snd_seq_timer *tmr)
{
- snd_seq_tick_time_t cur_tick;
- unsigned long flags;
-
- spin_lock_irqsave(&tmr->lock, flags);
- cur_tick = tmr->tick.cur_tick;
- spin_unlock_irqrestore(&tmr->lock, flags);
- return cur_tick;
+ guard(spinlock_irqsave)(&tmr->lock);
+ return tmr->tick.cur_tick;
}
q = queueptr(idx);
if (q == NULL)
continue;
- mutex_lock(&q->timer_mutex);
- tmr = q->timer;
- if (!tmr)
- goto unlock;
- ti = tmr->timeri;
- if (!ti)
- goto unlock;
- snd_iprintf(buffer, "Timer for queue %i : %s\n", q->queue, ti->timer->name);
- resolution = snd_timer_resolution(ti) * tmr->ticks;
- snd_iprintf(buffer, " Period time : %lu.%09lu\n", resolution / 1000000000, resolution % 1000000000);
- snd_iprintf(buffer, " Skew : %u / %u\n", tmr->skew, tmr->skew_base);
-unlock:
- mutex_unlock(&q->timer_mutex);
+ scoped_guard(mutex, &q->timer_mutex) {
+ tmr = q->timer;
+ if (!tmr)
+ break;
+ ti = tmr->timeri;
+ if (!ti)
+ break;
+ snd_iprintf(buffer, "Timer for queue %i : %s\n", q->queue, ti->timer->name);
+ resolution = snd_timer_resolution(ti) * tmr->ticks;
+ snd_iprintf(buffer, " Period time : %lu.%09lu\n", resolution / 1000000000, resolution % 1000000000);
+ snd_iprintf(buffer, " Skew : %u / %u\n", tmr->skew, tmr->skew_base);
+ }
queuefree(q);
}
}
static int seq_ump_client_open(struct seq_ump_client *client, int dir)
{
struct snd_ump_endpoint *ump = client->ump;
- int err = 0;
+ int err;
- mutex_lock(&ump->open_mutex);
+ guard(mutex)(&ump->open_mutex);
if (dir == STR_OUT && !client->opened[dir]) {
err = snd_rawmidi_kernel_open(&ump->core, 0,
SNDRV_RAWMIDI_LFLG_OUTPUT |
SNDRV_RAWMIDI_LFLG_APPEND,
&client->out_rfile);
if (err < 0)
- goto unlock;
+ return err;
}
client->opened[dir]++;
- unlock:
- mutex_unlock(&ump->open_mutex);
- return err;
+ return 0;
}
/* close the rawmidi */
{
struct snd_ump_endpoint *ump = client->ump;
- mutex_lock(&ump->open_mutex);
+ guard(mutex)(&ump->open_mutex);
if (!--client->opened[dir])
if (dir == STR_OUT)
snd_rawmidi_kernel_release(&client->out_rfile);
- mutex_unlock(&ump->open_mutex);
return 0;
}
static int seq_ump_group_init(struct seq_ump_client *client, int group_index)
{
struct seq_ump_group *group = &client->groups[group_index];
- struct snd_seq_port_info *port;
+ struct snd_seq_port_info *port __free(kfree) = NULL;
struct snd_seq_port_callback pcallbacks;
- int err;
port = kzalloc(sizeof(*port), GFP_KERNEL);
- if (!port) {
- err = -ENOMEM;
- goto error;
- }
+ if (!port)
+ return -ENOMEM;
fill_port_info(port, client, group);
port->flags = SNDRV_SEQ_PORT_FLG_GIVEN_PORT;
pcallbacks.unuse = seq_ump_unuse;
pcallbacks.event_input = seq_ump_process_event;
port->kernel = &pcallbacks;
- err = snd_seq_kernel_client_ctl(client->seq_client,
- SNDRV_SEQ_IOCTL_CREATE_PORT,
- port);
- error:
- kfree(port);
- return err;
+ return snd_seq_kernel_client_ctl(client->seq_client,
+ SNDRV_SEQ_IOCTL_CREATE_PORT,
+ port);
}
/* update the sequencer ports; called from notify_fb_change callback */
static void update_port_infos(struct seq_ump_client *client)
{
- struct snd_seq_port_info *old, *new;
+ struct snd_seq_port_info *old __free(kfree) = NULL;
+ struct snd_seq_port_info *new __free(kfree) = NULL;
int i, err;
old = kzalloc(sizeof(*old), GFP_KERNEL);
new = kzalloc(sizeof(*new), GFP_KERNEL);
if (!old || !new)
- goto error;
+ return;
for (i = 0; i < SNDRV_UMP_MAX_GROUPS; i++) {
old->addr.client = client->seq_client;
SNDRV_SEQ_IOCTL_GET_PORT_INFO,
old);
if (err < 0)
- goto error;
+ return;
fill_port_info(new, client, &client->groups[i]);
if (old->capability == new->capability &&
!strcmp(old->name, new->name))
SNDRV_SEQ_IOCTL_SET_PORT_INFO,
new);
if (err < 0)
- goto error;
+ return;
/* notify to system port */
snd_seq_system_client_ev_port_change(client->seq_client, i);
}
- error:
- kfree(new);
- kfree(old);
}
/* update dir_bits and active flag for all groups in the client */
/* create a UMP Endpoint port */
static int create_ump_endpoint_port(struct seq_ump_client *client)
{
- struct snd_seq_port_info *port;
+ struct snd_seq_port_info *port __free(kfree) = NULL;
struct snd_seq_port_callback pcallbacks;
unsigned int rawmidi_info = client->ump->core.info_flags;
int err;
err = snd_seq_kernel_client_ctl(client->seq_client,
SNDRV_SEQ_IOCTL_CREATE_PORT,
port);
- kfree(port);
return err;
}
/*
* decode input event and put to read buffer of each opened file
*/
+
+/* callback for snd_seq_dump_var_event(), bridging to snd_rawmidi_receive() */
+static int dump_to_rawmidi(void *ptr, void *buf, int count)
+{
+ return snd_rawmidi_receive(ptr, buf, count);
+}
+
static int snd_virmidi_dev_receive_event(struct snd_virmidi_dev *rdev,
struct snd_seq_event *ev,
bool atomic)
if (ev->type == SNDRV_SEQ_EVENT_SYSEX) {
if ((ev->flags & SNDRV_SEQ_EVENT_LENGTH_MASK) != SNDRV_SEQ_EVENT_LENGTH_VARIABLE)
continue;
- snd_seq_dump_var_event(ev, (snd_seq_dump_func_t)snd_rawmidi_receive, vmidi->substream);
+ snd_seq_dump_var_event(ev, dump_to_rawmidi, vmidi->substream);
snd_midi_event_reset_decode(vmidi->parser);
} else {
len = snd_midi_event_decode(vmidi->parser, msg, sizeof(msg), ev);
vmidi->client = rdev->client;
vmidi->port = rdev->port;
runtime->private_data = vmidi;
- down_write(&rdev->filelist_sem);
- write_lock_irq(&rdev->filelist_lock);
- list_add_tail(&vmidi->list, &rdev->filelist);
- write_unlock_irq(&rdev->filelist_lock);
- up_write(&rdev->filelist_sem);
+ scoped_guard(rwsem_write, &rdev->filelist_sem) {
+ guard(write_lock_irq)(&rdev->filelist_lock);
+ list_add_tail(&vmidi->list, &rdev->filelist);
+ }
vmidi->rdev = rdev;
return 0;
}
struct snd_virmidi_dev *rdev = substream->rmidi->private_data;
struct snd_virmidi *vmidi = substream->runtime->private_data;
- down_write(&rdev->filelist_sem);
- write_lock_irq(&rdev->filelist_lock);
- list_del(&vmidi->list);
- write_unlock_irq(&rdev->filelist_lock);
- up_write(&rdev->filelist_sem);
+ scoped_guard(rwsem_write, &rdev->filelist_sem) {
+ guard(write_lock_irq)(&rdev->filelist_lock);
+ list_del(&vmidi->list);
+ }
snd_midi_event_free(vmidi->parser);
substream->runtime->private_data = NULL;
kfree(vmidi);
{
int client;
struct snd_seq_port_callback pcallbacks;
- struct snd_seq_port_info *pinfo;
+ struct snd_seq_port_info *pinfo __free(kfree) = NULL;
int err;
if (rdev->client >= 0)
return 0;
pinfo = kzalloc(sizeof(*pinfo), GFP_KERNEL);
- if (!pinfo) {
- err = -ENOMEM;
- goto __error;
- }
+ if (!pinfo)
+ return -ENOMEM;
client = snd_seq_create_kernel_client(rdev->card, rdev->device,
"%s %d-%d", rdev->rmidi->name,
rdev->card->number,
rdev->device);
- if (client < 0) {
- err = client;
- goto __error;
- }
+ if (client < 0)
+ return client;
rdev->client = client;
/* create a port */
if (err < 0) {
snd_seq_delete_kernel_client(client);
rdev->client = -1;
- goto __error;
+ return err;
}
rdev->port = pinfo->addr.port;
- err = 0; /* success */
-
- __error:
- kfree(pinfo);
- return err;
+ return 0; /* success */
}
sdrv->argsize == sdev->argsize;
}
-static struct bus_type snd_seq_bus_type = {
+static const struct bus_type snd_seq_bus_type = {
.name = "snd_seq",
.match = snd_seq_bus_match,
};
if (minor >= ARRAY_SIZE(snd_minors))
return NULL;
- mutex_lock(&sound_mutex);
+ guard(mutex)(&sound_mutex);
mreg = snd_minors[minor];
if (mreg && mreg->type == type) {
private_data = mreg->private_data;
get_device(&mreg->card_ptr->card_dev);
} else
private_data = NULL;
- mutex_unlock(&sound_mutex);
return private_data;
}
EXPORT_SYMBOL(snd_lookup_minor_data);
if (minor >= ARRAY_SIZE(snd_minors))
return -ENODEV;
- mutex_lock(&sound_mutex);
- mptr = snd_minors[minor];
- if (mptr == NULL) {
- mptr = autoload_device(minor);
- if (!mptr) {
- mutex_unlock(&sound_mutex);
- return -ENODEV;
+ scoped_guard(mutex, &sound_mutex) {
+ mptr = snd_minors[minor];
+ if (mptr == NULL) {
+ mptr = autoload_device(minor);
+ if (!mptr)
+ return -ENODEV;
}
+ new_fops = fops_get(mptr->f_ops);
}
- new_fops = fops_get(mptr->f_ops);
- mutex_unlock(&sound_mutex);
if (!new_fops)
return -ENODEV;
replace_fops(file, new_fops);
preg->f_ops = f_ops;
preg->private_data = private_data;
preg->card_ptr = card;
- mutex_lock(&sound_mutex);
+ guard(mutex)(&sound_mutex);
minor = snd_find_free_minor(type, card, dev);
if (minor < 0) {
err = minor;
snd_minors[minor] = preg;
error:
- mutex_unlock(&sound_mutex);
if (err < 0)
kfree(preg);
return err;
int minor;
struct snd_minor *preg;
- mutex_lock(&sound_mutex);
+ guard(mutex)(&sound_mutex);
for (minor = 0; minor < ARRAY_SIZE(snd_minors); ++minor) {
preg = snd_minors[minor];
if (preg && preg->dev == dev) {
break;
}
}
- mutex_unlock(&sound_mutex);
if (minor >= ARRAY_SIZE(snd_minors))
return -ENOENT;
return 0;
int minor;
struct snd_minor *mptr;
- mutex_lock(&sound_mutex);
+ guard(mutex)(&sound_mutex);
for (minor = 0; minor < SNDRV_OS_MINORS; ++minor) {
mptr = snd_minors[minor];
if (!mptr)
snd_iprintf(buffer, "%3i: : %s\n", minor,
snd_device_type_name(mptr->type));
}
- mutex_unlock(&sound_mutex);
}
int __init snd_minor_info_init(void)
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Sound core KUnit test
+ * Author: Ivan Orlov <ivan.orlov0322@gmail.com>
+ */
+
+#include <kunit/test.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+
+#define SILENCE_BUFFER_MAX_FRAMES 260
+#define SILENCE_BUFFER_SIZE (sizeof(u64) * SILENCE_BUFFER_MAX_FRAMES)
+#define SILENCE(...) { __VA_ARGS__ }
+#define DEFINE_FORMAT(fmt, pbits, wd, endianness, signd, silence_arr) { \
+ .format = SNDRV_PCM_FORMAT_##fmt, .physical_bits = pbits, \
+ .width = wd, .le = endianness, .sd = signd, .silence = silence_arr, \
+ .name = #fmt, \
+}
+
+#define WRONG_FORMAT_1 (__force snd_pcm_format_t)((__force int)SNDRV_PCM_FORMAT_LAST + 1)
+#define WRONG_FORMAT_2 (__force snd_pcm_format_t)-1
+
+#define VALID_NAME "ValidName"
+#define NAME_W_SPEC_CHARS "In%v@1id name"
+#define NAME_W_SPACE "Test name"
+#define NAME_W_SPACE_REMOVED "Testname"
+
+#define TEST_FIRST_COMPONENT "Component1"
+#define TEST_SECOND_COMPONENT "Component2"
+
+struct snd_format_test_data {
+ snd_pcm_format_t format;
+ int physical_bits;
+ int width;
+ int le;
+ int sd;
+ unsigned char silence[8];
+ unsigned char *name;
+};
+
+struct avail_test_data {
+ snd_pcm_uframes_t buffer_size;
+ snd_pcm_uframes_t hw_ptr;
+ snd_pcm_uframes_t appl_ptr;
+ snd_pcm_uframes_t expected_avail;
+};
+
+static struct snd_format_test_data valid_fmt[] = {
+ DEFINE_FORMAT(S8, 8, 8, -1, 1, SILENCE()),
+ DEFINE_FORMAT(U8, 8, 8, -1, 0, SILENCE(0x80)),
+ DEFINE_FORMAT(S16_LE, 16, 16, 1, 1, SILENCE()),
+ DEFINE_FORMAT(S16_BE, 16, 16, 0, 1, SILENCE()),
+ DEFINE_FORMAT(U16_LE, 16, 16, 1, 0, SILENCE(0x00, 0x80)),
+ DEFINE_FORMAT(U16_BE, 16, 16, 0, 0, SILENCE(0x80, 0x00)),
+ DEFINE_FORMAT(S24_LE, 32, 24, 1, 1, SILENCE()),
+ DEFINE_FORMAT(S24_BE, 32, 24, 0, 1, SILENCE()),
+ DEFINE_FORMAT(U24_LE, 32, 24, 1, 0, SILENCE(0x00, 0x00, 0x80)),
+ DEFINE_FORMAT(U24_BE, 32, 24, 0, 0, SILENCE(0x00, 0x80, 0x00, 0x00)),
+ DEFINE_FORMAT(S32_LE, 32, 32, 1, 1, SILENCE()),
+ DEFINE_FORMAT(S32_BE, 32, 32, 0, 1, SILENCE()),
+ DEFINE_FORMAT(U32_LE, 32, 32, 1, 0, SILENCE(0x00, 0x00, 0x00, 0x80)),
+ DEFINE_FORMAT(U32_BE, 32, 32, 0, 0, SILENCE(0x80, 0x00, 0x00, 0x00)),
+ DEFINE_FORMAT(FLOAT_LE, 32, 32, 1, -1, SILENCE()),
+ DEFINE_FORMAT(FLOAT_BE, 32, 32, 0, -1, SILENCE()),
+ DEFINE_FORMAT(FLOAT64_LE, 64, 64, 1, -1, SILENCE()),
+ DEFINE_FORMAT(FLOAT64_BE, 64, 64, 0, -1, SILENCE()),
+ DEFINE_FORMAT(IEC958_SUBFRAME_LE, 32, 32, 1, -1, SILENCE()),
+ DEFINE_FORMAT(IEC958_SUBFRAME_BE, 32, 32, 0, -1, SILENCE()),
+ DEFINE_FORMAT(MU_LAW, 8, 8, -1, -1, SILENCE(0x7f)),
+ DEFINE_FORMAT(A_LAW, 8, 8, -1, -1, SILENCE(0x55)),
+ DEFINE_FORMAT(IMA_ADPCM, 4, 4, -1, -1, SILENCE()),
+ DEFINE_FORMAT(G723_24, 3, 3, -1, -1, SILENCE()),
+ DEFINE_FORMAT(G723_40, 5, 5, -1, -1, SILENCE()),
+ DEFINE_FORMAT(DSD_U8, 8, 8, 1, 0, SILENCE(0x69)),
+ DEFINE_FORMAT(DSD_U16_LE, 16, 16, 1, 0, SILENCE(0x69, 0x69)),
+ DEFINE_FORMAT(DSD_U32_LE, 32, 32, 1, 0, SILENCE(0x69, 0x69, 0x69, 0x69)),
+ DEFINE_FORMAT(DSD_U16_BE, 16, 16, 0, 0, SILENCE(0x69, 0x69)),
+ DEFINE_FORMAT(DSD_U32_BE, 32, 32, 0, 0, SILENCE(0x69, 0x69, 0x69, 0x69)),
+ DEFINE_FORMAT(S20_LE, 32, 20, 1, 1, SILENCE()),
+ DEFINE_FORMAT(S20_BE, 32, 20, 0, 1, SILENCE()),
+ DEFINE_FORMAT(U20_LE, 32, 20, 1, 0, SILENCE(0x00, 0x00, 0x08, 0x00)),
+ DEFINE_FORMAT(U20_BE, 32, 20, 0, 0, SILENCE(0x00, 0x08, 0x00, 0x00)),
+ DEFINE_FORMAT(S24_3LE, 24, 24, 1, 1, SILENCE()),
+ DEFINE_FORMAT(S24_3BE, 24, 24, 0, 1, SILENCE()),
+ DEFINE_FORMAT(U24_3LE, 24, 24, 1, 0, SILENCE(0x00, 0x00, 0x80)),
+ DEFINE_FORMAT(U24_3BE, 24, 24, 0, 0, SILENCE(0x80, 0x00, 0x00)),
+ DEFINE_FORMAT(S20_3LE, 24, 20, 1, 1, SILENCE()),
+ DEFINE_FORMAT(S20_3BE, 24, 20, 0, 1, SILENCE()),
+ DEFINE_FORMAT(U20_3LE, 24, 20, 1, 0, SILENCE(0x00, 0x00, 0x08)),
+ DEFINE_FORMAT(U20_3BE, 24, 20, 0, 0, SILENCE(0x08, 0x00, 0x00)),
+ DEFINE_FORMAT(S18_3LE, 24, 18, 1, 1, SILENCE()),
+ DEFINE_FORMAT(S18_3BE, 24, 18, 0, 1, SILENCE()),
+ DEFINE_FORMAT(U18_3LE, 24, 18, 1, 0, SILENCE(0x00, 0x00, 0x02)),
+ DEFINE_FORMAT(U18_3BE, 24, 18, 0, 0, SILENCE(0x02, 0x00, 0x00)),
+ DEFINE_FORMAT(G723_24_1B, 8, 3, -1, -1, SILENCE()),
+ DEFINE_FORMAT(G723_40_1B, 8, 5, -1, -1, SILENCE()),
+};
+
+static void test_phys_format_size(struct kunit *test)
+{
+ u32 i;
+
+ for (i = 0; i < ARRAY_SIZE(valid_fmt); i++) {
+ KUNIT_EXPECT_EQ(test, snd_pcm_format_physical_width(valid_fmt[i].format),
+ valid_fmt[i].physical_bits);
+ }
+
+ KUNIT_EXPECT_EQ(test, snd_pcm_format_physical_width(WRONG_FORMAT_1), -EINVAL);
+ KUNIT_EXPECT_EQ(test, snd_pcm_format_physical_width(WRONG_FORMAT_2), -EINVAL);
+}
+
+static void test_format_width(struct kunit *test)
+{
+ u32 i;
+
+ for (i = 0; i < ARRAY_SIZE(valid_fmt); i++) {
+ KUNIT_EXPECT_EQ(test, snd_pcm_format_width(valid_fmt[i].format),
+ valid_fmt[i].width);
+ }
+
+ KUNIT_EXPECT_EQ(test, snd_pcm_format_width(WRONG_FORMAT_1), -EINVAL);
+ KUNIT_EXPECT_EQ(test, snd_pcm_format_width(WRONG_FORMAT_2), -EINVAL);
+}
+
+static void test_format_signed(struct kunit *test)
+{
+ u32 i;
+
+ for (i = 0; i < ARRAY_SIZE(valid_fmt); i++) {
+ KUNIT_EXPECT_EQ(test, snd_pcm_format_signed(valid_fmt[i].format),
+ valid_fmt[i].sd < 0 ? -EINVAL : valid_fmt[i].sd);
+ KUNIT_EXPECT_EQ(test, snd_pcm_format_unsigned(valid_fmt[i].format),
+ valid_fmt[i].sd < 0 ? -EINVAL : 1 - valid_fmt[i].sd);
+ }
+
+ KUNIT_EXPECT_EQ(test, snd_pcm_format_width(WRONG_FORMAT_1), -EINVAL);
+ KUNIT_EXPECT_EQ(test, snd_pcm_format_width(WRONG_FORMAT_2), -EINVAL);
+}
+
+static void test_format_endianness(struct kunit *test)
+{
+ u32 i;
+
+ for (i = 0; i < ARRAY_SIZE(valid_fmt); i++) {
+ KUNIT_EXPECT_EQ(test, snd_pcm_format_little_endian(valid_fmt[i].format),
+ valid_fmt[i].le < 0 ? -EINVAL : valid_fmt[i].le);
+ KUNIT_EXPECT_EQ(test, snd_pcm_format_big_endian(valid_fmt[i].format),
+ valid_fmt[i].le < 0 ? -EINVAL : 1 - valid_fmt[i].le);
+ }
+
+ KUNIT_EXPECT_EQ(test, snd_pcm_format_little_endian(WRONG_FORMAT_1), -EINVAL);
+ KUNIT_EXPECT_EQ(test, snd_pcm_format_little_endian(WRONG_FORMAT_2), -EINVAL);
+ KUNIT_EXPECT_EQ(test, snd_pcm_format_big_endian(WRONG_FORMAT_1), -EINVAL);
+ KUNIT_EXPECT_EQ(test, snd_pcm_format_big_endian(WRONG_FORMAT_2), -EINVAL);
+}
+
+static void _test_fill_silence(struct kunit *test, struct snd_format_test_data *data,
+ u8 *buffer, size_t samples_count)
+{
+ size_t sample_bytes = data->physical_bits >> 3;
+ u32 i;
+
+ KUNIT_ASSERT_EQ(test, snd_pcm_format_set_silence(data->format, buffer, samples_count), 0);
+ for (i = 0; i < samples_count * sample_bytes; i++)
+ KUNIT_EXPECT_EQ(test, buffer[i], data->silence[i % sample_bytes]);
+}
+
+static void test_format_fill_silence(struct kunit *test)
+{
+ u32 buf_samples[] = { 10, 20, 32, 64, 129, SILENCE_BUFFER_MAX_FRAMES };
+ u8 *buffer;
+ u32 i, j;
+
+ buffer = kunit_kzalloc(test, SILENCE_BUFFER_SIZE, GFP_KERNEL);
+
+ for (i = 0; i < ARRAY_SIZE(buf_samples); i++) {
+ for (j = 0; j < ARRAY_SIZE(valid_fmt); j++)
+ _test_fill_silence(test, &valid_fmt[j], buffer, buf_samples[i]);
+ }
+
+ KUNIT_EXPECT_EQ(test, snd_pcm_format_set_silence(WRONG_FORMAT_1, buffer, 20), -EINVAL);
+ KUNIT_EXPECT_EQ(test, snd_pcm_format_set_silence(SNDRV_PCM_FORMAT_LAST, buffer, 0), 0);
+}
+
+static snd_pcm_uframes_t calculate_boundary(snd_pcm_uframes_t buffer_size)
+{
+ snd_pcm_uframes_t boundary = buffer_size;
+
+ while (boundary * 2 <= 0x7fffffffUL - buffer_size)
+ boundary *= 2;
+ return boundary;
+}
+
+static struct avail_test_data p_avail_data[] = {
+ /* buf_size + hw_ptr < appl_ptr => avail = buf_size + hw_ptr - appl_ptr + boundary */
+ { 128, 1000, 1129, 1073741824UL - 1 },
+ /*
+ * buf_size + hw_ptr - appl_ptr >= boundary =>
+ * => avail = buf_size + hw_ptr - appl_ptr - boundary
+ */
+ { 128, 1073741824UL, 10, 118 },
+ /* standard case: avail = buf_size + hw_ptr - appl_ptr */
+ { 128, 1000, 1001, 127 },
+};
+
+static void test_playback_avail(struct kunit *test)
+{
+ struct snd_pcm_runtime *r = kunit_kzalloc(test, sizeof(*r), GFP_KERNEL);
+ u32 i;
+
+ r->status = kunit_kzalloc(test, sizeof(*r->status), GFP_KERNEL);
+ r->control = kunit_kzalloc(test, sizeof(*r->control), GFP_KERNEL);
+
+ for (i = 0; i < ARRAY_SIZE(p_avail_data); i++) {
+ r->buffer_size = p_avail_data[i].buffer_size;
+ r->boundary = calculate_boundary(r->buffer_size);
+ r->status->hw_ptr = p_avail_data[i].hw_ptr;
+ r->control->appl_ptr = p_avail_data[i].appl_ptr;
+ KUNIT_EXPECT_EQ(test, snd_pcm_playback_avail(r), p_avail_data[i].expected_avail);
+ }
+}
+
+static struct avail_test_data c_avail_data[] = {
+ /* hw_ptr - appl_ptr < 0 => avail = hw_ptr - appl_ptr + boundary */
+ { 128, 1000, 1001, 1073741824UL - 1 },
+ /* standard case: avail = hw_ptr - appl_ptr */
+ { 128, 1001, 1000, 1 },
+};
+
+static void test_capture_avail(struct kunit *test)
+{
+ struct snd_pcm_runtime *r = kunit_kzalloc(test, sizeof(*r), GFP_KERNEL);
+ u32 i;
+
+ r->status = kunit_kzalloc(test, sizeof(*r->status), GFP_KERNEL);
+ r->control = kunit_kzalloc(test, sizeof(*r->control), GFP_KERNEL);
+
+ for (i = 0; i < ARRAY_SIZE(c_avail_data); i++) {
+ r->buffer_size = c_avail_data[i].buffer_size;
+ r->boundary = calculate_boundary(r->buffer_size);
+ r->status->hw_ptr = c_avail_data[i].hw_ptr;
+ r->control->appl_ptr = c_avail_data[i].appl_ptr;
+ KUNIT_EXPECT_EQ(test, snd_pcm_capture_avail(r), c_avail_data[i].expected_avail);
+ }
+}
+
+static void test_card_set_id(struct kunit *test)
+{
+ struct snd_card *card = kunit_kzalloc(test, sizeof(*card), GFP_KERNEL);
+
+ snd_card_set_id(card, VALID_NAME);
+ KUNIT_EXPECT_STREQ(test, card->id, VALID_NAME);
+
+ /* clear the first id character so we can set it again */
+ card->id[0] = '\0';
+ snd_card_set_id(card, NAME_W_SPEC_CHARS);
+ KUNIT_EXPECT_STRNEQ(test, card->id, NAME_W_SPEC_CHARS);
+
+ card->id[0] = '\0';
+ snd_card_set_id(card, NAME_W_SPACE);
+ kunit_info(test, "%s", card->id);
+ KUNIT_EXPECT_STREQ(test, card->id, NAME_W_SPACE_REMOVED);
+}
+
+static void test_pcm_format_name(struct kunit *test)
+{
+ u32 i;
+ const char *name;
+
+ for (i = 0; i < ARRAY_SIZE(valid_fmt); i++) {
+ name = snd_pcm_format_name(valid_fmt[i].format);
+ KUNIT_ASSERT_NOT_NULL_MSG(test, name, "Don't have name for %s", valid_fmt[i].name);
+ KUNIT_EXPECT_STREQ(test, name, valid_fmt[i].name);
+ }
+
+ KUNIT_ASSERT_STREQ(test, snd_pcm_format_name(WRONG_FORMAT_1), "Unknown");
+ KUNIT_ASSERT_STREQ(test, snd_pcm_format_name(WRONG_FORMAT_2), "Unknown");
+}
+
+static void test_card_add_component(struct kunit *test)
+{
+ struct snd_card *card = kunit_kzalloc(test, sizeof(*card), GFP_KERNEL);
+
+ snd_component_add(card, TEST_FIRST_COMPONENT);
+ KUNIT_ASSERT_STREQ(test, card->components, TEST_FIRST_COMPONENT);
+
+ snd_component_add(card, TEST_SECOND_COMPONENT);
+ KUNIT_ASSERT_STREQ(test, card->components, TEST_FIRST_COMPONENT " " TEST_SECOND_COMPONENT);
+}
+
+static struct kunit_case sound_utils_cases[] = {
+ KUNIT_CASE(test_phys_format_size),
+ KUNIT_CASE(test_format_width),
+ KUNIT_CASE(test_format_endianness),
+ KUNIT_CASE(test_format_signed),
+ KUNIT_CASE(test_format_fill_silence),
+ KUNIT_CASE(test_playback_avail),
+ KUNIT_CASE(test_capture_avail),
+ KUNIT_CASE(test_card_set_id),
+ KUNIT_CASE(test_pcm_format_name),
+ KUNIT_CASE(test_card_add_component),
+ {},
+};
+
+static struct kunit_suite sound_utils_suite = {
+ .name = "sound-core-test",
+ .test_cases = sound_utils_cases,
+};
+
+kunit_test_suite(sound_utils_suite);
+MODULE_AUTHOR("Ivan Orlov");
+MODULE_LICENSE("GPL");
if (minor >= ARRAY_SIZE(snd_oss_minors))
return NULL;
- mutex_lock(&sound_oss_mutex);
+ guard(mutex)(&sound_oss_mutex);
mreg = snd_oss_minors[minor];
if (mreg && mreg->type == type) {
private_data = mreg->private_data;
get_device(&mreg->card_ptr->card_dev);
} else
private_data = NULL;
- mutex_unlock(&sound_oss_mutex);
return private_data;
}
EXPORT_SYMBOL(snd_lookup_oss_minor_data);
preg->f_ops = f_ops;
preg->private_data = private_data;
preg->card_ptr = card;
- mutex_lock(&sound_oss_mutex);
+ guard(mutex)(&sound_oss_mutex);
snd_oss_minors[minor] = preg;
minor_unit = SNDRV_MINOR_OSS_DEVICE(minor);
switch (minor_unit) {
goto __end;
snd_oss_minors[track2] = preg;
}
- mutex_unlock(&sound_oss_mutex);
return 0;
__end:
if (register1 >= 0)
unregister_sound_special(register1);
snd_oss_minors[minor] = NULL;
- mutex_unlock(&sound_oss_mutex);
kfree(preg);
return -EBUSY;
}
return 0;
if (minor < 0)
return minor;
- mutex_lock(&sound_oss_mutex);
+ guard(mutex)(&sound_oss_mutex);
mptr = snd_oss_minors[minor];
- if (mptr == NULL) {
- mutex_unlock(&sound_oss_mutex);
+ if (mptr == NULL)
return -ENOENT;
- }
switch (SNDRV_MINOR_OSS_DEVICE(minor)) {
case SNDRV_MINOR_OSS_PCM:
track2 = SNDRV_MINOR_OSS(cidx, SNDRV_MINOR_OSS_AUDIO);
if (track2 >= 0)
snd_oss_minors[track2] = NULL;
snd_oss_minors[minor] = NULL;
- mutex_unlock(&sound_oss_mutex);
/* call unregister_sound_special() outside sound_oss_mutex;
* otherwise may deadlock, as it can trigger the release of a card
int minor;
struct snd_minor *mptr;
- mutex_lock(&sound_oss_mutex);
+ guard(mutex)(&sound_oss_mutex);
for (minor = 0; minor < SNDRV_OSS_MINORS; ++minor) {
mptr = snd_oss_minors[minor];
if (!mptr)
snd_iprintf(buffer, "%3i: : %s\n", minor,
snd_oss_device_type_name(mptr->type));
}
- mutex_unlock(&sound_oss_mutex);
}
return -EBUSY;
list_move_tail(&slave->open_list, &master->slave_list_head);
master->timer->num_instances++;
- spin_lock_irq(&slave_active_lock);
- spin_lock(&master->timer->lock);
+ guard(spinlock_irq)(&slave_active_lock);
+ guard(spinlock)(&master->timer->lock);
slave->master = master;
slave->timer = master->timer;
if (slave->flags & SNDRV_TIMER_IFLG_RUNNING)
list_add_tail(&slave->active_list, &master->slave_active_head);
- spin_unlock(&master->timer->lock);
- spin_unlock_irq(&slave_active_lock);
return 1;
}
}
EXPORT_SYMBOL(snd_timer_open);
+/* remove slave links, called from snd_timer_close_locked() below */
+static void remove_slave_links(struct snd_timer_instance *timeri,
+ struct snd_timer *timer)
+{
+ struct snd_timer_instance *slave, *tmp;
+
+ guard(spinlock_irq)(&slave_active_lock);
+ guard(spinlock)(&timer->lock);
+ timeri->timer = NULL;
+ list_for_each_entry_safe(slave, tmp, &timeri->slave_list_head, open_list) {
+ list_move_tail(&slave->open_list, &snd_timer_slave_list);
+ timer->num_instances--;
+ slave->master = NULL;
+ slave->timer = NULL;
+ list_del_init(&slave->ack_list);
+ list_del_init(&slave->active_list);
+ }
+}
+
/*
* close a timer instance
* call this with register_mutex down.
struct device **card_devp_to_put)
{
struct snd_timer *timer = timeri->timer;
- struct snd_timer_instance *slave, *tmp;
if (timer) {
- spin_lock_irq(&timer->lock);
+ guard(spinlock_irq)(&timer->lock);
timeri->flags |= SNDRV_TIMER_IFLG_DEAD;
- spin_unlock_irq(&timer->lock);
}
if (!list_empty(&timeri->open_list)) {
}
spin_unlock_irq(&timer->lock);
- /* remove slave links */
- spin_lock_irq(&slave_active_lock);
- spin_lock(&timer->lock);
- timeri->timer = NULL;
- list_for_each_entry_safe(slave, tmp, &timeri->slave_list_head,
- open_list) {
- list_move_tail(&slave->open_list, &snd_timer_slave_list);
- timer->num_instances--;
- slave->master = NULL;
- slave->timer = NULL;
- list_del_init(&slave->ack_list);
- list_del_init(&slave->active_list);
- }
- spin_unlock(&timer->lock);
- spin_unlock_irq(&slave_active_lock);
+ remove_slave_links(timeri, timer);
/* slave doesn't need to release timer resources below */
if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)
if (snd_BUG_ON(!timeri))
return;
- mutex_lock(®ister_mutex);
- snd_timer_close_locked(timeri, &card_dev_to_put);
- mutex_unlock(®ister_mutex);
+ scoped_guard(mutex, ®ister_mutex)
+ snd_timer_close_locked(timeri, &card_dev_to_put);
/* put_device() is called after unlock for avoiding deadlock */
if (card_dev_to_put)
put_device(card_dev_to_put);
{
struct snd_timer * timer;
unsigned long ret = 0;
- unsigned long flags;
if (timeri == NULL)
return 0;
timer = timeri->timer;
if (timer) {
- spin_lock_irqsave(&timer->lock, flags);
+ guard(spinlock_irqsave)(&timer->lock);
ret = snd_timer_hw_resolution(timer);
- spin_unlock_irqrestore(&timer->lock, flags);
}
return ret;
}
{
struct snd_timer *timer;
int result;
- unsigned long flags;
timer = timeri->timer;
if (!timer)
return -EINVAL;
- spin_lock_irqsave(&timer->lock, flags);
- if (timeri->flags & SNDRV_TIMER_IFLG_DEAD) {
- result = -EINVAL;
- goto unlock;
- }
- if (timer->card && timer->card->shutdown) {
- result = -ENODEV;
- goto unlock;
- }
+ guard(spinlock_irqsave)(&timer->lock);
+ if (timeri->flags & SNDRV_TIMER_IFLG_DEAD)
+ return -EINVAL;
+ if (timer->card && timer->card->shutdown)
+ return -ENODEV;
if (timeri->flags & (SNDRV_TIMER_IFLG_RUNNING |
- SNDRV_TIMER_IFLG_START)) {
- result = -EBUSY;
- goto unlock;
- }
+ SNDRV_TIMER_IFLG_START))
+ return -EBUSY;
if (start)
timeri->ticks = timeri->cticks = ticks;
}
snd_timer_notify1(timeri, start ? SNDRV_TIMER_EVENT_START :
SNDRV_TIMER_EVENT_CONTINUE);
- unlock:
- spin_unlock_irqrestore(&timer->lock, flags);
return result;
}
static int snd_timer_start_slave(struct snd_timer_instance *timeri,
bool start)
{
- unsigned long flags;
- int err;
-
- spin_lock_irqsave(&slave_active_lock, flags);
- if (timeri->flags & SNDRV_TIMER_IFLG_DEAD) {
- err = -EINVAL;
- goto unlock;
- }
- if (timeri->flags & SNDRV_TIMER_IFLG_RUNNING) {
- err = -EBUSY;
- goto unlock;
- }
+ guard(spinlock_irqsave)(&slave_active_lock);
+ if (timeri->flags & SNDRV_TIMER_IFLG_DEAD)
+ return -EINVAL;
+ if (timeri->flags & SNDRV_TIMER_IFLG_RUNNING)
+ return -EBUSY;
timeri->flags |= SNDRV_TIMER_IFLG_RUNNING;
if (timeri->master && timeri->timer) {
- spin_lock(&timeri->timer->lock);
+ guard(spinlock)(&timeri->timer->lock);
list_add_tail(&timeri->active_list,
&timeri->master->slave_active_head);
snd_timer_notify1(timeri, start ? SNDRV_TIMER_EVENT_START :
SNDRV_TIMER_EVENT_CONTINUE);
- spin_unlock(&timeri->timer->lock);
}
- err = 1; /* delayed start */
- unlock:
- spin_unlock_irqrestore(&slave_active_lock, flags);
- return err;
+ return 1; /* delayed start */
}
/* stop/pause a master timer */
static int snd_timer_stop1(struct snd_timer_instance *timeri, bool stop)
{
struct snd_timer *timer;
- int result = 0;
- unsigned long flags;
timer = timeri->timer;
if (!timer)
return -EINVAL;
- spin_lock_irqsave(&timer->lock, flags);
+ guard(spinlock_irqsave)(&timer->lock);
list_del_init(&timeri->ack_list);
list_del_init(&timeri->active_list);
if (!(timeri->flags & (SNDRV_TIMER_IFLG_RUNNING |
- SNDRV_TIMER_IFLG_START))) {
- result = -EBUSY;
- goto unlock;
- }
+ SNDRV_TIMER_IFLG_START)))
+ return -EBUSY;
if (timer->card && timer->card->shutdown)
- goto unlock;
+ return 0;
if (stop) {
timeri->cticks = timeri->ticks;
timeri->pticks = 0;
timeri->flags |= SNDRV_TIMER_IFLG_PAUSED;
snd_timer_notify1(timeri, stop ? SNDRV_TIMER_EVENT_STOP :
SNDRV_TIMER_EVENT_PAUSE);
- unlock:
- spin_unlock_irqrestore(&timer->lock, flags);
- return result;
+ return 0;
}
/* stop/pause a slave timer */
static int snd_timer_stop_slave(struct snd_timer_instance *timeri, bool stop)
{
- unsigned long flags;
bool running;
- spin_lock_irqsave(&slave_active_lock, flags);
+ guard(spinlock_irqsave)(&slave_active_lock);
running = timeri->flags & SNDRV_TIMER_IFLG_RUNNING;
timeri->flags &= ~SNDRV_TIMER_IFLG_RUNNING;
if (timeri->timer) {
- spin_lock(&timeri->timer->lock);
+ guard(spinlock)(&timeri->timer->lock);
list_del_init(&timeri->ack_list);
list_del_init(&timeri->active_list);
if (running)
snd_timer_notify1(timeri, stop ? SNDRV_TIMER_EVENT_STOP :
SNDRV_TIMER_EVENT_PAUSE);
- spin_unlock(&timeri->timer->lock);
}
- spin_unlock_irqrestore(&slave_active_lock, flags);
return running ? 0 : -EBUSY;
}
static void snd_timer_clear_callbacks(struct snd_timer *timer,
struct list_head *head)
{
- unsigned long flags;
-
- spin_lock_irqsave(&timer->lock, flags);
+ guard(spinlock_irqsave)(&timer->lock);
while (!list_empty(head))
list_del_init(head->next);
- spin_unlock_irqrestore(&timer->lock, flags);
}
/*
static void snd_timer_work(struct work_struct *work)
{
struct snd_timer *timer = container_of(work, struct snd_timer, task_work);
- unsigned long flags;
if (timer->card && timer->card->shutdown) {
snd_timer_clear_callbacks(timer, &timer->sack_list_head);
return;
}
- spin_lock_irqsave(&timer->lock, flags);
+ guard(spinlock_irqsave)(&timer->lock);
snd_timer_process_callbacks(timer, &timer->sack_list_head);
- spin_unlock_irqrestore(&timer->lock, flags);
}
/*
struct snd_timer_instance *ti, *ts, *tmp;
unsigned long resolution;
struct list_head *ack_list_head;
- unsigned long flags;
- bool use_work = false;
if (timer == NULL)
return;
return;
}
- spin_lock_irqsave(&timer->lock, flags);
+ guard(spinlock_irqsave)(&timer->lock);
/* remember the current resolution */
resolution = snd_timer_hw_resolution(timer);
snd_timer_process_callbacks(timer, &timer->ack_list_head);
/* do we have any slow callbacks? */
- use_work = !list_empty(&timer->sack_list_head);
- spin_unlock_irqrestore(&timer->lock, flags);
-
- if (use_work)
+ if (!list_empty(&timer->sack_list_head))
queue_work(system_highpri_wq, &timer->task_work);
}
EXPORT_SYMBOL(snd_timer_interrupt);
if (!timer)
return 0;
- mutex_lock(®ister_mutex);
+ guard(mutex)(®ister_mutex);
if (! list_empty(&timer->open_list_head)) {
struct list_head *p, *n;
struct snd_timer_instance *ti;
}
}
list_del(&timer->device_list);
- mutex_unlock(®ister_mutex);
if (timer->private_free)
timer->private_free(timer);
!timer->hw.resolution && timer->hw.c_resolution == NULL)
return -EINVAL;
- mutex_lock(®ister_mutex);
+ guard(mutex)(®ister_mutex);
list_for_each_entry(timer1, &snd_timer_list, device_list) {
if (timer1->tmr_class > timer->tmr_class)
break;
if (timer1->tmr_subdevice < timer->tmr_subdevice)
continue;
/* conflicts.. */
- mutex_unlock(®ister_mutex);
return -EBUSY;
}
list_add_tail(&timer->device_list, &timer1->device_list);
- mutex_unlock(®ister_mutex);
return 0;
}
struct snd_timer *timer = device->device_data;
struct snd_timer_instance *ti;
- mutex_lock(®ister_mutex);
+ guard(mutex)(®ister_mutex);
list_del_init(&timer->device_list);
/* wake up pending sleepers */
list_for_each_entry(ti, &timer->open_list_head, open_list) {
if (ti->disconnect)
ti->disconnect(ti);
}
- mutex_unlock(®ister_mutex);
return 0;
}
void snd_timer_notify(struct snd_timer *timer, int event, struct timespec64 *tstamp)
{
- unsigned long flags;
unsigned long resolution = 0;
struct snd_timer_instance *ti, *ts;
if (snd_BUG_ON(event < SNDRV_TIMER_EVENT_MSTART ||
event > SNDRV_TIMER_EVENT_MRESUME))
return;
- spin_lock_irqsave(&timer->lock, flags);
+ guard(spinlock_irqsave)(&timer->lock);
if (event == SNDRV_TIMER_EVENT_MSTART ||
event == SNDRV_TIMER_EVENT_MCONTINUE ||
event == SNDRV_TIMER_EVENT_MRESUME)
if (ts->ccallback)
ts->ccallback(ts, event, tstamp, resolution);
}
- spin_unlock_irqrestore(&timer->lock, flags);
}
EXPORT_SYMBOL(snd_timer_notify);
struct snd_timer_instance *ti;
unsigned long resolution;
- mutex_lock(®ister_mutex);
+ guard(mutex)(®ister_mutex);
list_for_each_entry(timer, &snd_timer_list, device_list) {
if (timer->card && timer->card->shutdown)
continue;
timer->tmr_device, timer->tmr_subdevice);
}
snd_iprintf(buffer, "%s :", timer->name);
- spin_lock_irq(&timer->lock);
- resolution = snd_timer_hw_resolution(timer);
- spin_unlock_irq(&timer->lock);
+ scoped_guard(spinlock_irq, &timer->lock)
+ resolution = snd_timer_hw_resolution(timer);
if (resolution)
snd_iprintf(buffer, " %lu.%03luus (%lu ticks)",
resolution / 1000,
SNDRV_TIMER_IFLG_RUNNING))
? "running" : "stopped");
}
- mutex_unlock(®ister_mutex);
}
static struct snd_info_entry *snd_timer_proc_entry;
struct snd_timer_read *r;
int prev;
- spin_lock(&tu->qlock);
+ guard(spinlock)(&tu->qlock);
if (tu->qused > 0) {
prev = tu->qtail == 0 ? tu->queue_size - 1 : tu->qtail - 1;
r = &tu->queue[prev];
tu->qused++;
}
__wake:
- spin_unlock(&tu->qlock);
snd_kill_fasync(tu->fasync, SIGIO, POLL_IN);
wake_up(&tu->qchange_sleep);
}
{
struct snd_timer_user *tu = timeri->callback_data;
struct snd_timer_tread64 r1;
- unsigned long flags;
if (event >= SNDRV_TIMER_EVENT_START &&
event <= SNDRV_TIMER_EVENT_PAUSE)
r1.tstamp_sec = tstamp->tv_sec;
r1.tstamp_nsec = tstamp->tv_nsec;
r1.val = resolution;
- spin_lock_irqsave(&tu->qlock, flags);
- snd_timer_user_append_to_tqueue(tu, &r1);
- spin_unlock_irqrestore(&tu->qlock, flags);
+ scoped_guard(spinlock_irqsave, &tu->qlock)
+ snd_timer_user_append_to_tqueue(tu, &r1);
snd_kill_fasync(tu->fasync, SIGIO, POLL_IN);
wake_up(&tu->qchange_sleep);
}
memset(&r1, 0, sizeof(r1));
memset(&tstamp, 0, sizeof(tstamp));
- spin_lock(&tu->qlock);
- if ((tu->filter & ((1 << SNDRV_TIMER_EVENT_RESOLUTION) |
- (1 << SNDRV_TIMER_EVENT_TICK))) == 0) {
- spin_unlock(&tu->qlock);
- return;
- }
- if (tu->last_resolution != resolution || ticks > 0) {
- if (timer_tstamp_monotonic)
- ktime_get_ts64(&tstamp);
- else
- ktime_get_real_ts64(&tstamp);
- }
- if ((tu->filter & (1 << SNDRV_TIMER_EVENT_RESOLUTION)) &&
- tu->last_resolution != resolution) {
- r1.event = SNDRV_TIMER_EVENT_RESOLUTION;
+ scoped_guard(spinlock, &tu->qlock) {
+ if ((tu->filter & ((1 << SNDRV_TIMER_EVENT_RESOLUTION) |
+ (1 << SNDRV_TIMER_EVENT_TICK))) == 0)
+ return;
+ if (tu->last_resolution != resolution || ticks > 0) {
+ if (timer_tstamp_monotonic)
+ ktime_get_ts64(&tstamp);
+ else
+ ktime_get_real_ts64(&tstamp);
+ }
+ if ((tu->filter & (1 << SNDRV_TIMER_EVENT_RESOLUTION)) &&
+ tu->last_resolution != resolution) {
+ r1.event = SNDRV_TIMER_EVENT_RESOLUTION;
+ r1.tstamp_sec = tstamp.tv_sec;
+ r1.tstamp_nsec = tstamp.tv_nsec;
+ r1.val = resolution;
+ snd_timer_user_append_to_tqueue(tu, &r1);
+ tu->last_resolution = resolution;
+ append++;
+ }
+ if ((tu->filter & (1 << SNDRV_TIMER_EVENT_TICK)) == 0)
+ break;
+ if (ticks == 0)
+ break;
+ if (tu->qused > 0) {
+ prev = tu->qtail == 0 ? tu->queue_size - 1 : tu->qtail - 1;
+ r = &tu->tqueue[prev];
+ if (r->event == SNDRV_TIMER_EVENT_TICK) {
+ r->tstamp_sec = tstamp.tv_sec;
+ r->tstamp_nsec = tstamp.tv_nsec;
+ r->val += ticks;
+ append++;
+ break;
+ }
+ }
+ r1.event = SNDRV_TIMER_EVENT_TICK;
r1.tstamp_sec = tstamp.tv_sec;
r1.tstamp_nsec = tstamp.tv_nsec;
- r1.val = resolution;
+ r1.val = ticks;
snd_timer_user_append_to_tqueue(tu, &r1);
- tu->last_resolution = resolution;
append++;
}
- if ((tu->filter & (1 << SNDRV_TIMER_EVENT_TICK)) == 0)
- goto __wake;
- if (ticks == 0)
- goto __wake;
- if (tu->qused > 0) {
- prev = tu->qtail == 0 ? tu->queue_size - 1 : tu->qtail - 1;
- r = &tu->tqueue[prev];
- if (r->event == SNDRV_TIMER_EVENT_TICK) {
- r->tstamp_sec = tstamp.tv_sec;
- r->tstamp_nsec = tstamp.tv_nsec;
- r->val += ticks;
- append++;
- goto __wake;
- }
- }
- r1.event = SNDRV_TIMER_EVENT_TICK;
- r1.tstamp_sec = tstamp.tv_sec;
- r1.tstamp_nsec = tstamp.tv_nsec;
- r1.val = ticks;
- snd_timer_user_append_to_tqueue(tu, &r1);
- append++;
- __wake:
- spin_unlock(&tu->qlock);
if (append == 0)
return;
snd_kill_fasync(tu->fasync, SIGIO, POLL_IN);
return -ENOMEM;
}
- spin_lock_irq(&tu->qlock);
+ guard(spinlock_irq)(&tu->qlock);
kfree(tu->queue);
kfree(tu->tqueue);
tu->queue_size = size;
tu->queue = queue;
tu->tqueue = tqueue;
tu->qhead = tu->qtail = tu->qused = 0;
- spin_unlock_irq(&tu->qlock);
return 0;
}
if (file->private_data) {
tu = file->private_data;
file->private_data = NULL;
- mutex_lock(&tu->ioctl_lock);
- if (tu->timeri) {
- snd_timer_close(tu->timeri);
- snd_timer_instance_free(tu->timeri);
+ scoped_guard(mutex, &tu->ioctl_lock) {
+ if (tu->timeri) {
+ snd_timer_close(tu->timeri);
+ snd_timer_instance_free(tu->timeri);
+ }
}
- mutex_unlock(&tu->ioctl_lock);
snd_fasync_free(tu->fasync);
kfree(tu->queue);
kfree(tu->tqueue);
if (copy_from_user(&id, _tid, sizeof(id)))
return -EFAULT;
- mutex_lock(®ister_mutex);
+ guard(mutex)(®ister_mutex);
if (id.dev_class < 0) { /* first item */
if (list_empty(&snd_timer_list))
snd_timer_user_zero_id(&id);
snd_timer_user_zero_id(&id);
}
}
- mutex_unlock(®ister_mutex);
if (copy_to_user(_tid, &id, sizeof(*_tid)))
return -EFAULT;
return 0;
static int snd_timer_user_ginfo(struct file *file,
struct snd_timer_ginfo __user *_ginfo)
{
- struct snd_timer_ginfo *ginfo;
+ struct snd_timer_ginfo *ginfo __free(kfree) = NULL;
struct snd_timer_id tid;
struct snd_timer *t;
struct list_head *p;
- int err = 0;
ginfo = memdup_user(_ginfo, sizeof(*ginfo));
if (IS_ERR(ginfo))
- return PTR_ERR(ginfo);
+ return PTR_ERR(no_free_ptr(ginfo));
tid = ginfo->tid;
memset(ginfo, 0, sizeof(*ginfo));
ginfo->tid = tid;
- mutex_lock(®ister_mutex);
+ guard(mutex)(®ister_mutex);
t = snd_timer_find(&tid);
- if (t != NULL) {
- ginfo->card = t->card ? t->card->number : -1;
- if (t->hw.flags & SNDRV_TIMER_HW_SLAVE)
- ginfo->flags |= SNDRV_TIMER_FLG_SLAVE;
- strscpy(ginfo->id, t->id, sizeof(ginfo->id));
- strscpy(ginfo->name, t->name, sizeof(ginfo->name));
- spin_lock_irq(&t->lock);
+ if (!t)
+ return -ENODEV;
+ ginfo->card = t->card ? t->card->number : -1;
+ if (t->hw.flags & SNDRV_TIMER_HW_SLAVE)
+ ginfo->flags |= SNDRV_TIMER_FLG_SLAVE;
+ strscpy(ginfo->id, t->id, sizeof(ginfo->id));
+ strscpy(ginfo->name, t->name, sizeof(ginfo->name));
+ scoped_guard(spinlock_irq, &t->lock)
ginfo->resolution = snd_timer_hw_resolution(t);
- spin_unlock_irq(&t->lock);
- if (t->hw.resolution_min > 0) {
- ginfo->resolution_min = t->hw.resolution_min;
- ginfo->resolution_max = t->hw.resolution_max;
- }
- list_for_each(p, &t->open_list_head) {
- ginfo->clients++;
- }
- } else {
- err = -ENODEV;
+ if (t->hw.resolution_min > 0) {
+ ginfo->resolution_min = t->hw.resolution_min;
+ ginfo->resolution_max = t->hw.resolution_max;
}
- mutex_unlock(®ister_mutex);
- if (err >= 0 && copy_to_user(_ginfo, ginfo, sizeof(*ginfo)))
- err = -EFAULT;
- kfree(ginfo);
- return err;
+ list_for_each(p, &t->open_list_head) {
+ ginfo->clients++;
+ }
+ if (copy_to_user(_ginfo, ginfo, sizeof(*ginfo)))
+ return -EFAULT;
+ return 0;
}
static int timer_set_gparams(struct snd_timer_gparams *gparams)
{
struct snd_timer *t;
- int err;
- mutex_lock(®ister_mutex);
+ guard(mutex)(®ister_mutex);
t = snd_timer_find(&gparams->tid);
- if (!t) {
- err = -ENODEV;
- goto _error;
- }
- if (!list_empty(&t->open_list_head)) {
- err = -EBUSY;
- goto _error;
- }
- if (!t->hw.set_period) {
- err = -ENOSYS;
- goto _error;
- }
- err = t->hw.set_period(t, gparams->period_num, gparams->period_den);
-_error:
- mutex_unlock(®ister_mutex);
- return err;
+ if (!t)
+ return -ENODEV;
+ if (!list_empty(&t->open_list_head))
+ return -EBUSY;
+ if (!t->hw.set_period)
+ return -ENOSYS;
+ return t->hw.set_period(t, gparams->period_num, gparams->period_den);
}
static int snd_timer_user_gparams(struct file *file,
tid = gstatus.tid;
memset(&gstatus, 0, sizeof(gstatus));
gstatus.tid = tid;
- mutex_lock(®ister_mutex);
+ guard(mutex)(®ister_mutex);
t = snd_timer_find(&tid);
if (t != NULL) {
- spin_lock_irq(&t->lock);
+ guard(spinlock_irq)(&t->lock);
gstatus.resolution = snd_timer_hw_resolution(t);
if (t->hw.precise_resolution) {
t->hw.precise_resolution(t, &gstatus.resolution_num,
gstatus.resolution_num = gstatus.resolution;
gstatus.resolution_den = 1000000000uL;
}
- spin_unlock_irq(&t->lock);
} else {
err = -ENODEV;
}
- mutex_unlock(®ister_mutex);
if (err >= 0 && copy_to_user(_gstatus, &gstatus, sizeof(gstatus)))
err = -EFAULT;
return err;
struct snd_timer_info __user *_info)
{
struct snd_timer_user *tu;
- struct snd_timer_info *info;
+ struct snd_timer_info *info __free(kfree) = NULL;
struct snd_timer *t;
- int err = 0;
tu = file->private_data;
if (!tu->timeri)
info->flags |= SNDRV_TIMER_FLG_SLAVE;
strscpy(info->id, t->id, sizeof(info->id));
strscpy(info->name, t->name, sizeof(info->name));
- spin_lock_irq(&t->lock);
- info->resolution = snd_timer_hw_resolution(t);
- spin_unlock_irq(&t->lock);
+ scoped_guard(spinlock_irq, &t->lock)
+ info->resolution = snd_timer_hw_resolution(t);
if (copy_to_user(_info, info, sizeof(*_info)))
- err = -EFAULT;
- kfree(info);
- return err;
+ return -EFAULT;
+ return 0;
}
static int snd_timer_user_params(struct file *file,
goto _end;
}
snd_timer_stop(tu->timeri);
- spin_lock_irq(&t->lock);
- tu->timeri->flags &= ~(SNDRV_TIMER_IFLG_AUTO|
- SNDRV_TIMER_IFLG_EXCLUSIVE|
- SNDRV_TIMER_IFLG_EARLY_EVENT);
- if (params.flags & SNDRV_TIMER_PSFLG_AUTO)
- tu->timeri->flags |= SNDRV_TIMER_IFLG_AUTO;
- if (params.flags & SNDRV_TIMER_PSFLG_EXCLUSIVE)
- tu->timeri->flags |= SNDRV_TIMER_IFLG_EXCLUSIVE;
- if (params.flags & SNDRV_TIMER_PSFLG_EARLY_EVENT)
- tu->timeri->flags |= SNDRV_TIMER_IFLG_EARLY_EVENT;
- spin_unlock_irq(&t->lock);
+ scoped_guard(spinlock_irq, &t->lock) {
+ tu->timeri->flags &= ~(SNDRV_TIMER_IFLG_AUTO|
+ SNDRV_TIMER_IFLG_EXCLUSIVE|
+ SNDRV_TIMER_IFLG_EARLY_EVENT);
+ if (params.flags & SNDRV_TIMER_PSFLG_AUTO)
+ tu->timeri->flags |= SNDRV_TIMER_IFLG_AUTO;
+ if (params.flags & SNDRV_TIMER_PSFLG_EXCLUSIVE)
+ tu->timeri->flags |= SNDRV_TIMER_IFLG_EXCLUSIVE;
+ if (params.flags & SNDRV_TIMER_PSFLG_EARLY_EVENT)
+ tu->timeri->flags |= SNDRV_TIMER_IFLG_EARLY_EVENT;
+ }
if (params.queue_size > 0 &&
(unsigned int)tu->queue_size != params.queue_size) {
err = realloc_user_queue(tu, params.queue_size);
if (err < 0)
goto _end;
}
- spin_lock_irq(&tu->qlock);
- tu->qhead = tu->qtail = tu->qused = 0;
- if (tu->timeri->flags & SNDRV_TIMER_IFLG_EARLY_EVENT) {
- if (tu->tread) {
- struct snd_timer_tread64 tread;
- memset(&tread, 0, sizeof(tread));
- tread.event = SNDRV_TIMER_EVENT_EARLY;
- tread.tstamp_sec = 0;
- tread.tstamp_nsec = 0;
- tread.val = 0;
- snd_timer_user_append_to_tqueue(tu, &tread);
- } else {
- struct snd_timer_read *r = &tu->queue[0];
- r->resolution = 0;
- r->ticks = 0;
- tu->qused++;
- tu->qtail++;
+ scoped_guard(spinlock_irq, &tu->qlock) {
+ tu->qhead = tu->qtail = tu->qused = 0;
+ if (tu->timeri->flags & SNDRV_TIMER_IFLG_EARLY_EVENT) {
+ if (tu->tread) {
+ struct snd_timer_tread64 tread;
+
+ memset(&tread, 0, sizeof(tread));
+ tread.event = SNDRV_TIMER_EVENT_EARLY;
+ tread.tstamp_sec = 0;
+ tread.tstamp_nsec = 0;
+ tread.val = 0;
+ snd_timer_user_append_to_tqueue(tu, &tread);
+ } else {
+ struct snd_timer_read *r = &tu->queue[0];
+
+ r->resolution = 0;
+ r->ticks = 0;
+ tu->qused++;
+ tu->qtail++;
+ }
}
+ tu->filter = params.filter;
+ tu->ticks = params.ticks;
}
- tu->filter = params.filter;
- tu->ticks = params.ticks;
- spin_unlock_irq(&tu->qlock);
err = 0;
_end:
if (copy_to_user(_params, ¶ms, sizeof(params)))
status.resolution = snd_timer_resolution(tu->timeri);
status.lost = tu->timeri->lost;
status.overrun = tu->overrun;
- spin_lock_irq(&tu->qlock);
- status.queue = tu->qused;
- spin_unlock_irq(&tu->qlock);
+ scoped_guard(spinlock_irq, &tu->qlock)
+ status.queue = tu->qused;
if (copy_to_user(_status, &status, sizeof(status)))
return -EFAULT;
return 0;
status.resolution = snd_timer_resolution(tu->timeri);
status.lost = tu->timeri->lost;
status.overrun = tu->overrun;
- spin_lock_irq(&tu->qlock);
- status.queue = tu->qused;
- spin_unlock_irq(&tu->qlock);
+ scoped_guard(spinlock_irq, &tu->qlock)
+ status.queue = tu->qused;
if (copy_to_user(_status, &status, sizeof(status)))
return -EFAULT;
return 0;
unsigned long arg)
{
struct snd_timer_user *tu = file->private_data;
- long ret;
- mutex_lock(&tu->ioctl_lock);
- ret = __snd_timer_user_ioctl(file, cmd, arg, false);
- mutex_unlock(&tu->ioctl_lock);
- return ret;
+ guard(mutex)(&tu->ioctl_lock);
+ return __snd_timer_user_ioctl(file, cmd, arg, false);
}
static int snd_timer_user_fasync(int fd, struct file * file, int on)
poll_wait(file, &tu->qchange_sleep, wait);
mask = 0;
- spin_lock_irq(&tu->qlock);
+ guard(spinlock_irq)(&tu->qlock);
if (tu->qused)
mask |= EPOLLIN | EPOLLRDNORM;
if (tu->disconnected)
mask |= EPOLLERR;
- spin_unlock_irq(&tu->qlock);
return mask;
}
unsigned long arg)
{
struct snd_timer_user *tu = file->private_data;
- long ret;
- mutex_lock(&tu->ioctl_lock);
- ret = __snd_timer_user_ioctl_compat(file, cmd, arg);
- mutex_unlock(&tu->ioctl_lock);
- return ret;
+ guard(mutex)(&tu->ioctl_lock);
+ return __snd_timer_user_ioctl_compat(file, cmd, arg);
}
struct snd_ump_endpoint *ump = substream->rmidi->private_data;
int dir = substream->stream;
int group = ump->legacy_mapping[substream->number];
- int err = 0;
+ int err;
- mutex_lock(&ump->open_mutex);
- if (ump->legacy_substreams[dir][group]) {
- err = -EBUSY;
- goto unlock;
- }
+ guard(mutex)(&ump->open_mutex);
+ if (ump->legacy_substreams[dir][group])
+ return -EBUSY;
if (dir == SNDRV_RAWMIDI_STREAM_OUTPUT) {
if (!ump->legacy_out_opens) {
err = snd_rawmidi_kernel_open(&ump->core, 0,
SNDRV_RAWMIDI_LFLG_APPEND,
&ump->legacy_out_rfile);
if (err < 0)
- goto unlock;
+ return err;
}
ump->legacy_out_opens++;
snd_ump_convert_reset(&ump->out_cvts[group]);
}
- spin_lock_irq(&ump->legacy_locks[dir]);
+ guard(spinlock_irq)(&ump->legacy_locks[dir]);
ump->legacy_substreams[dir][group] = substream;
- spin_unlock_irq(&ump->legacy_locks[dir]);
- unlock:
- mutex_unlock(&ump->open_mutex);
- return err;
+ return 0;
}
static int snd_ump_legacy_close(struct snd_rawmidi_substream *substream)
int dir = substream->stream;
int group = ump->legacy_mapping[substream->number];
- mutex_lock(&ump->open_mutex);
- spin_lock_irq(&ump->legacy_locks[dir]);
- ump->legacy_substreams[dir][group] = NULL;
- spin_unlock_irq(&ump->legacy_locks[dir]);
+ guard(mutex)(&ump->open_mutex);
+ scoped_guard(spinlock_irq, &ump->legacy_locks[dir])
+ ump->legacy_substreams[dir][group] = NULL;
if (dir == SNDRV_RAWMIDI_STREAM_OUTPUT) {
if (!--ump->legacy_out_opens)
snd_rawmidi_kernel_release(&ump->legacy_out_rfile);
}
- mutex_unlock(&ump->open_mutex);
return 0;
}
const int dir = SNDRV_RAWMIDI_STREAM_OUTPUT;
unsigned char c;
int group, size = 0;
- unsigned long flags;
if (!ump->out_cvts || !ump->legacy_out_opens)
return 0;
- spin_lock_irqsave(&ump->legacy_locks[dir], flags);
+ guard(spinlock_irqsave)(&ump->legacy_locks[dir]);
for (group = 0; group < SNDRV_UMP_MAX_GROUPS; group++) {
substream = ump->legacy_substreams[dir][group];
if (!substream)
break;
}
}
- spin_unlock_irqrestore(&ump->legacy_locks[dir], flags);
return size;
}
struct snd_rawmidi_substream *substream;
unsigned char buf[16];
unsigned char group;
- unsigned long flags;
const int dir = SNDRV_RAWMIDI_STREAM_INPUT;
int size;
size = snd_ump_convert_from_ump(src, buf, &group);
if (size <= 0)
return;
- spin_lock_irqsave(&ump->legacy_locks[dir], flags);
+ guard(spinlock_irqsave)(&ump->legacy_locks[dir]);
substream = ump->legacy_substreams[dir][group];
if (substream)
snd_rawmidi_receive(substream, buf, size);
- spin_unlock_irqrestore(&ump->legacy_locks[dir], flags);
}
/* Fill ump->legacy_mapping[] for groups to be used for legacy rawmidi */
static int follower_update(struct link_follower *follower)
{
- struct snd_ctl_elem_value *uctl;
+ struct snd_ctl_elem_value *uctl __free(kfree) = NULL;
int err, ch;
uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
uctl->id = follower->follower.id;
err = follower->follower.get(&follower->follower, uctl);
if (err < 0)
- goto error;
+ return err;
for (ch = 0; ch < follower->info.count; ch++)
follower->vals[ch] = uctl->value.integer.value[ch];
- error:
- kfree(uctl);
- return err < 0 ? err : 0;
+ return 0;
}
/* get the follower ctl info and save the initial values */
static int follower_init(struct link_follower *follower)
{
- struct snd_ctl_elem_info *uinfo;
+ struct snd_ctl_elem_info *uinfo __free(kfree) = NULL;
int err;
if (follower->info.count) {
return -ENOMEM;
uinfo->id = follower->follower.id;
err = follower->follower.info(&follower->follower, uinfo);
- if (err < 0) {
- kfree(uinfo);
+ if (err < 0)
return err;
- }
follower->info.type = uinfo->type;
follower->info.count = uinfo->count;
if (follower->info.count > 2 ||
(follower->info.type != SNDRV_CTL_ELEM_TYPE_INTEGER &&
follower->info.type != SNDRV_CTL_ELEM_TYPE_BOOLEAN)) {
pr_err("ALSA: vmaster: invalid follower element\n");
- kfree(uinfo);
return -EINVAL;
}
follower->info.min_val = uinfo->value.integer.min;
follower->info.max_val = uinfo->value.integer.max;
- kfree(uinfo);
return follower_update(follower);
}
static int sync_followers(struct link_master *master, int old_val, int new_val)
{
struct link_follower *follower;
- struct snd_ctl_elem_value *uval;
+ struct snd_ctl_elem_value *uval __free(kfree) = NULL;
uval = kmalloc(sizeof(*uval), GFP_KERNEL);
if (!uval)
master->val = new_val;
follower_put_val(follower, uval);
}
- kfree(uval);
return 0;
}
return 0;
}
-#ifdef CONFIG_PM_SLEEP
static int loopback_suspend(struct device *pdev)
{
struct snd_card *card = dev_get_drvdata(pdev);
return 0;
}
-static SIMPLE_DEV_PM_OPS(loopback_pm, loopback_suspend, loopback_resume);
-#define LOOPBACK_PM_OPS &loopback_pm
-#else
-#define LOOPBACK_PM_OPS NULL
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(loopback_pm, loopback_suspend, loopback_resume);
#define SND_LOOPBACK_DRIVER "snd_aloop"
.probe = loopback_probe,
.driver = {
.name = SND_LOOPBACK_DRIVER,
- .pm = LOOPBACK_PM_OPS,
+ .pm = &loopback_pm,
},
};
return 0;
}
-#ifdef CONFIG_PM_SLEEP
static int snd_dummy_suspend(struct device *pdev)
{
struct snd_card *card = dev_get_drvdata(pdev);
return 0;
}
-static SIMPLE_DEV_PM_OPS(snd_dummy_pm, snd_dummy_suspend, snd_dummy_resume);
-#define SND_DUMMY_PM_OPS &snd_dummy_pm
-#else
-#define SND_DUMMY_PM_OPS NULL
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(snd_dummy_pm, snd_dummy_suspend, snd_dummy_resume);
#define SND_DUMMY_DRIVER "snd_dummy"
.probe = snd_dummy_probe,
.driver = {
.name = SND_DUMMY_DRIVER,
- .pm = SND_DUMMY_PM_OPS,
+ .pm = &snd_dummy_pm,
},
};
pcspkr_stop_sound();
}
-#ifdef CONFIG_PM_SLEEP
static int pcsp_suspend(struct device *dev)
{
struct snd_pcsp *chip = dev_get_drvdata(dev);
return 0;
}
-static SIMPLE_DEV_PM_OPS(pcsp_pm, pcsp_suspend, NULL);
-#define PCSP_PM_OPS &pcsp_pm
-#else
-#define PCSP_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(pcsp_pm, pcsp_suspend, NULL);
static void pcsp_shutdown(struct platform_device *dev)
{
static struct platform_driver pcsp_platform_driver = {
.driver = {
.name = "pcspkr",
- .pm = PCSP_PM_OPS,
+ .pm = &pcsp_pm,
},
.probe = pcsp_probe,
.shutdown = pcsp_shutdown,
* 8pre
* 828mk3 (FireWire only)
* 828mk3 (Hybrid)
+ * 896mk3 (FireWire only)
+ * 896mk3 (Hybrid)
* Ultralite mk3 (FireWire only)
* Ultralite mk3 (Hybrid)
* Traveler mk3
} else {
unsigned int dbc_interval;
- if (*data_blocks > 0 && s->ctx_data.tx.dbc_interval > 0)
- dbc_interval = s->ctx_data.tx.dbc_interval;
- else
- dbc_interval = *data_blocks;
+ if (!(s->flags & CIP_DBC_IS_PAYLOAD_QUADLETS)) {
+ if (*data_blocks > 0 && s->ctx_data.tx.dbc_interval > 0)
+ dbc_interval = s->ctx_data.tx.dbc_interval;
+ else
+ dbc_interval = *data_blocks;
+ } else {
+ dbc_interval = payload_length / sizeof(__be32);
+ }
lost = dbc != ((*data_block_counter + dbc_interval) & 0xff);
}
* the value of current SYT_INTERVAL; e.g. initial value is not zero.
* @CIP_UNAWARE_SYT: For outgoing packet, the value in SYT field of CIP is 0xffff.
* For incoming packet, the value in SYT field of CIP is not handled.
+ * @CIP_DBC_IS_PAYLOAD_QUADLETS: Available for incoming packet, and only effective with
+ * CIP_DBC_IS_END_EVENT flag. The value of dbc field is the number of accumulated quadlets
+ * in CIP payload, instead of the number of accumulated data blocks.
*/
enum cip_flags {
CIP_NONBLOCKING = 0x00,
CIP_NO_HEADER = 0x100,
CIP_UNALIGHED_DBC = 0x200,
CIP_UNAWARE_SYT = 0x400,
+ CIP_DBC_IS_PAYLOAD_QUADLETS = 0x800,
};
/**
if (motu->spec == &snd_motu_spec_828mk3_fw ||
motu->spec == &snd_motu_spec_828mk3_hybrid ||
+ motu->spec == &snd_motu_spec_896mk3 ||
motu->spec == &snd_motu_spec_traveler_mk3 ||
motu->spec == &snd_motu_spec_track16)
return detect_packet_formats_with_opt_ifaces(motu, data);
.rx_fixed_pcm_chunks = {14, 14, 14}, // Additional 4 dummy chunks at higher rate.
};
+const struct snd_motu_spec snd_motu_spec_896mk3 = {
+ .name = "896mk3",
+ .protocol_version = SND_MOTU_PROTOCOL_V3,
+ .flags = SND_MOTU_SPEC_COMMAND_DSP,
+ .tx_fixed_pcm_chunks = {18, 14, 10},
+ .rx_fixed_pcm_chunks = {18, 14, 10},
+};
+
const struct snd_motu_spec snd_motu_spec_traveler_mk3 = {
.name = "TravelerMk3",
.protocol_version = SND_MOTU_PROTOCOL_V3,
SND_MOTU_DEV_ENTRY(0x00000d, &snd_motu_spec_ultralite),
SND_MOTU_DEV_ENTRY(0x00000f, &snd_motu_spec_8pre),
SND_MOTU_DEV_ENTRY(0x000015, &snd_motu_spec_828mk3_fw), // FireWire only.
+ SND_MOTU_DEV_ENTRY(0x000017, &snd_motu_spec_896mk3), // FireWire only.
SND_MOTU_DEV_ENTRY(0x000019, &snd_motu_spec_ultralite_mk3), // FireWire only.
SND_MOTU_DEV_ENTRY(0x00001b, &snd_motu_spec_traveler_mk3),
SND_MOTU_DEV_ENTRY(0x000030, &snd_motu_spec_ultralite_mk3), // Hybrid.
SND_MOTU_DEV_ENTRY(0x000035, &snd_motu_spec_828mk3_hybrid), // Hybrid.
+ SND_MOTU_DEV_ENTRY(0x000037, &snd_motu_spec_896mk3), // Hybrid.
SND_MOTU_DEV_ENTRY(0x000033, &snd_motu_spec_audio_express),
SND_MOTU_DEV_ENTRY(0x000039, &snd_motu_spec_track16),
SND_MOTU_DEV_ENTRY(0x000045, &snd_motu_spec_4pre),
extern const struct snd_motu_spec snd_motu_spec_828mk3_fw;
extern const struct snd_motu_spec snd_motu_spec_828mk3_hybrid;
+extern const struct snd_motu_spec snd_motu_spec_896mk3;
extern const struct snd_motu_spec snd_motu_spec_traveler_mk3;
extern const struct snd_motu_spec snd_motu_spec_ultralite_mk3;
extern const struct snd_motu_spec snd_motu_spec_audio_express;
flags |= CIP_JUMBO_PAYLOAD;
if (oxfw->quirks & SND_OXFW_QUIRK_WRONG_DBS)
flags |= CIP_WRONG_DBS;
+ if (oxfw->quirks & SND_OXFW_QUIRK_DBC_IS_TOTAL_PAYLOAD_QUADLETS)
+ flags |= CIP_DBC_IS_END_EVENT | CIP_DBC_IS_PAYLOAD_QUADLETS;
} else {
conn = &oxfw->in_conn;
c_dir = CMP_INPUT;
enum avc_general_plug_dir dir,
struct snd_oxfw_stream_formation *formation)
{
- u8 *format;
- unsigned int len;
int err;
- len = AVC_GENERIC_FRAME_MAXIMUM_BYTES;
- format = kmalloc(len, GFP_KERNEL);
- if (format == NULL)
- return -ENOMEM;
+ if (!(oxfw->quirks & SND_OXFW_QUIRK_STREAM_FORMAT_INFO_UNSUPPORTED)) {
+ u8 *format;
+ unsigned int len;
- err = avc_stream_get_format_single(oxfw->unit, dir, 0, format, &len);
- if (err < 0)
- goto end;
- if (len < 3) {
- err = -EIO;
- goto end;
+ len = AVC_GENERIC_FRAME_MAXIMUM_BYTES;
+ format = kmalloc(len, GFP_KERNEL);
+ if (format == NULL)
+ return -ENOMEM;
+
+ err = avc_stream_get_format_single(oxfw->unit, dir, 0, format, &len);
+ if (err >= 0) {
+ if (len < 3)
+ err = -EIO;
+ else
+ err = snd_oxfw_stream_parse_format(format, formation);
+ }
+
+ kfree(format);
+ } else {
+ // Miglia Harmony Audio does not support Extended Stream Format Information
+ // command. Use the duplicated hard-coded format, instead.
+ unsigned int rate;
+ u8 *const *formats;
+ int i;
+
+ err = avc_general_get_sig_fmt(oxfw->unit, &rate, dir, 0);
+ if (err < 0)
+ return err;
+
+ if (dir == AVC_GENERAL_PLUG_DIR_IN)
+ formats = oxfw->rx_stream_formats;
+ else
+ formats = oxfw->tx_stream_formats;
+
+ for (i = 0; (i < SND_OXFW_STREAM_FORMAT_ENTRIES); ++i) {
+ if (!formats[i])
+ continue;
+
+ err = snd_oxfw_stream_parse_format(formats[i], formation);
+ if (err < 0)
+ continue;
+
+ if (formation->rate == rate)
+ break;
+ }
+ if (i == SND_OXFW_STREAM_FORMAT_ENTRIES)
+ return -EIO;
}
- err = snd_oxfw_stream_parse_format(format, formation);
-end:
- kfree(format);
return err;
}
* in AV/C Stream Format Information Specification 1.1 (Apr 2005, 1394TA)
* Also 'Clause 12 AM824 sequence adaption layers' in IEC 61883-6:2005
*/
-int snd_oxfw_stream_parse_format(u8 *format,
+int snd_oxfw_stream_parse_format(const u8 *format,
struct snd_oxfw_stream_formation *formation)
{
unsigned int i, e, channels, type;
unsigned int i, eid;
int err;
- /* get format at current sampling rate */
- err = avc_stream_get_format_single(oxfw->unit, dir, pid, buf, len);
- if (err < 0) {
- dev_err(&oxfw->unit->device,
- "fail to get current stream format for isoc %s plug %d:%d\n",
- (dir == AVC_GENERAL_PLUG_DIR_IN) ? "in" : "out",
- pid, err);
- goto end;
+ // get format at current sampling rate.
+ if (!(oxfw->quirks & SND_OXFW_QUIRK_STREAM_FORMAT_INFO_UNSUPPORTED)) {
+ err = avc_stream_get_format_single(oxfw->unit, dir, pid, buf, len);
+ if (err < 0) {
+ dev_err(&oxfw->unit->device,
+ "fail to get current stream format for isoc %s plug %d:%d\n",
+ (dir == AVC_GENERAL_PLUG_DIR_IN) ? "in" : "out",
+ pid, err);
+ goto end;
+ }
+ } else {
+ // Miglia Harmony Audio does not support Extended Stream Format Information
+ // command. Use the hard-coded format, instead.
+ buf[0] = 0x90;
+ buf[1] = 0x40;
+ buf[2] = avc_stream_rate_table[0];
+ buf[3] = 0x00;
+ buf[4] = 0x01;
+
+ if (dir == AVC_GENERAL_PLUG_DIR_IN)
+ buf[5] = 0x08;
+ else
+ buf[5] = 0x02;
+
+ buf[6] = 0x06;
+
+ *len = 7;
}
/* parse and set stream format */
#define VENDOR_TASCAM 0x00022e
#define OUI_STANTON 0x001260
#define OUI_APOGEE 0x0003db
+#define OUI_OXFORD 0x0030e0
#define MODEL_SATELLITE 0x00200f
#define MODEL_SCS1M 0x001000
if (err < 0)
goto error;
+ if (entry->vendor_id == OUI_OXFORD && entry->model_id == 0x00f970) {
+ oxfw->quirks |= SND_OXFW_QUIRK_STREAM_FORMAT_INFO_UNSUPPORTED |
+ SND_OXFW_QUIRK_DBC_IS_TOTAL_PAYLOAD_QUADLETS;
+ }
+
err = snd_oxfw_stream_discover(oxfw);
if (err < 0)
goto error;
//
OXFW_DEV_ENTRY(VENDOR_GRIFFIN, 0x00f970, &griffin_firewave),
OXFW_DEV_ENTRY(VENDOR_LACIE, 0x00f970, &lacie_speakers),
+ // Miglia HarmonyAudio (HA02). The numeric vendor ID is ASIC vendor and the model ID is the
+ // default value of ASIC.
+ OXFW_DEV_ENTRY(OUI_OXFORD, 0x00f970, NULL),
// Behringer,F-Control Audio 202. The value of SYT field is not reliable at all.
OXFW_DEV_ENTRY(VENDOR_BEHRINGER, 0x00fc22, NULL),
// Loud Technologies, Tapco Link.FireWire 4x6. The value of SYT field is always 0xffff.
// Loud Technologies, Mackie Onyx Satellite. Although revised version of firmware is
// installed to avoid the postpone, the value of SYT field is always 0xffff.
OXFW_DEV_ENTRY(VENDOR_LOUD, MODEL_SATELLITE, NULL),
- // Miglia HarmonyAudio. Not yet identified.
//
// OXFW971 devices:
// performs media clock recovery voluntarily. In the recovery, the packets with NO_INFO
// are ignored, thus driver should transfer packets with timestamp.
SND_OXFW_QUIRK_VOLUNTARY_RECOVERY = 0x20,
+ // Miglia Harmony Audio does not support AV/C Stream Format Information command.
+ SND_OXFW_QUIRK_STREAM_FORMAT_INFO_UNSUPPORTED = 0x40,
+ // Miglia Harmony Audio transmits CIP in which the value of dbc field expresses the number
+ // of accumulated payload quadlets including the packet.
+ SND_OXFW_QUIRK_DBC_IS_TOTAL_PAYLOAD_QUADLETS = 0x80,
};
/* This is an arbitrary number for convinience. */
unsigned int pcm;
unsigned int midi;
};
-int snd_oxfw_stream_parse_format(u8 *format,
+int snd_oxfw_stream_parse_format(const u8 *format,
struct snd_oxfw_stream_formation *formation);
int snd_oxfw_stream_get_current_formation(struct snd_oxfw *oxfw,
enum avc_general_plug_dir dir,
/* check whether Intel graphics is present and reachable */
static int i915_gfx_present(struct pci_dev *hdac_pci)
{
+ /* List of known platforms with no i915 support. */
+ static const struct pci_device_id denylist[] = {
+ /* CNL */
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x5a40), 0x030000, 0xff0000 },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x5a41), 0x030000, 0xff0000 },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x5a42), 0x030000, 0xff0000 },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x5a44), 0x030000, 0xff0000 },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x5a49), 0x030000, 0xff0000 },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x5a4a), 0x030000, 0xff0000 },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x5a4c), 0x030000, 0xff0000 },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x5a50), 0x030000, 0xff0000 },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x5a51), 0x030000, 0xff0000 },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x5a52), 0x030000, 0xff0000 },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x5a54), 0x030000, 0xff0000 },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x5a59), 0x030000, 0xff0000 },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x5a5a), 0x030000, 0xff0000 },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x5a5c), 0x030000, 0xff0000 },
+ /* LKF */
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x9840), 0x030000, 0xff0000 },
+ {}
+ };
struct pci_dev *display_dev = NULL;
if (!gpu_bind || (gpu_bind < 0 && video_firmware_drivers_only()))
return false;
for_each_pci_dev(display_dev) {
- if (display_dev->vendor == PCI_VENDOR_ID_INTEL &&
- (display_dev->class >> 16) == PCI_BASE_CLASS_DISPLAY &&
- connectivity_check(display_dev, hdac_pci)) {
+ if (display_dev->vendor != PCI_VENDOR_ID_INTEL ||
+ (display_dev->class >> 16) != PCI_BASE_CLASS_DISPLAY)
+ continue;
+
+ if (pci_match_id(denylist, display_dev))
+ continue;
+
+ if (connectivity_check(display_dev, hdac_pci)) {
pci_dev_put(display_dev);
return true;
}
return 0;
error:
- dev_err(bus->dev, "Too many BDL entries: buffer=%d, period=%d\n",
+ dev_dbg(bus->dev, "Too many BDL entries: buffer=%d, period=%d\n",
azx_dev->bufsize, period_bytes);
return -EINVAL;
}
module_param_named(sdw_link_mask, ctrl_link_mask, int, 0444);
MODULE_PARM_DESC(sdw_link_mask, "Intel link mask (one bit per link)");
+static ulong ctrl_addr = 0x40000000;
+module_param_named(sdw_ctrl_addr, ctrl_addr, ulong, 0444);
+MODULE_PARM_DESC(sdw_ctrl_addr, "Intel SoundWire Controller _ADR");
+
static bool is_link_enabled(struct fwnode_handle *fw_node, u8 idx)
{
struct fwnode_handle *link;
if (FIELD_GET(GENMASK(31, 28), adr) != SDW_LINK_TYPE)
return AE_OK; /* keep going */
+ if (adr != ctrl_addr)
+ return AE_OK; /* keep going */
+
/* found the correct SoundWire controller */
info->handle = handle;
static void reset_tlv(struct snd_ac97 *ac97, const char *name,
const unsigned int *tlv)
{
- struct snd_ctl_elem_id sid;
struct snd_kcontrol *kctl;
- memset(&sid, 0, sizeof(sid));
- strcpy(sid.name, name);
- sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
- kctl = snd_ctl_find_id(ac97->bus->card, &sid);
+
+ kctl = snd_ctl_find_id_mixer(ac97->bus->card, name);
if (kctl && kctl->tlv.p)
kctl->tlv.p = tlv;
}
spinlock_t reg_lock;
spinlock_t voice_alloc;
-#ifdef CONFIG_PM_SLEEP
- struct snd_ali_image *image;
-#endif
+ struct snd_ali_image image;
};
static const struct pci_device_id snd_ali_ids[] = {
return 0;
}
-#ifdef CONFIG_PM_SLEEP
static int ali_suspend(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
struct snd_ali *chip = card->private_data;
- struct snd_ali_image *im;
+ struct snd_ali_image *im = &chip->image;
int i, j;
- im = chip->image;
- if (!im)
- return 0;
-
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
for (i = 0; i < chip->num_of_codecs; i++)
snd_ac97_suspend(chip->ac97[i]);
{
struct snd_card *card = dev_get_drvdata(dev);
struct snd_ali *chip = card->private_data;
- struct snd_ali_image *im;
+ struct snd_ali_image *im = &chip->image;
int i, j;
- im = chip->image;
- if (!im)
- return 0;
-
spin_lock_irq(&chip->reg_lock);
for (i = 0; i < ALI_CHANNELS; i++) {
return 0;
}
-static SIMPLE_DEV_PM_OPS(ali_pm, ali_suspend, ali_resume);
-#define ALI_PM_OPS &ali_pm
-#else
-#define ALI_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(ali_pm, ali_suspend, ali_resume);
static void snd_ali_free(struct snd_card *card)
{
return err;
}
-#ifdef CONFIG_PM_SLEEP
- codec->image = devm_kmalloc(&pci->dev, sizeof(*codec->image),
- GFP_KERNEL);
- if (!codec->image)
- dev_warn(card->dev, "can't allocate apm buffer\n");
-#endif
-
snd_ali_enable_address_interrupt(codec);
codec->hw_initialized = 1;
return 0;
.id_table = snd_ali_ids,
.probe = snd_ali_probe,
.driver = {
- .pm = ALI_PM_OPS,
+ .pm = &ali_pm,
},
};
return 0;
}
-#ifdef CONFIG_PM_SLEEP
static int snd_als300_suspend(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
return 0;
}
-static SIMPLE_DEV_PM_OPS(snd_als300_pm, snd_als300_suspend, snd_als300_resume);
-#define SND_ALS300_PM_OPS &snd_als300_pm
-#else
-#define SND_ALS300_PM_OPS NULL
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(snd_als300_pm, snd_als300_suspend, snd_als300_resume);
static int snd_als300_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
.id_table = snd_als300_ids,
.probe = snd_als300_probe,
.driver = {
- .pm = SND_ALS300_PM_OPS,
+ .pm = &snd_als300_pm,
},
};
return snd_card_free_on_error(&pci->dev, __snd_card_als4000_probe(pci, pci_id));
}
-#ifdef CONFIG_PM_SLEEP
static int snd_als4000_suspend(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
return 0;
}
-static SIMPLE_DEV_PM_OPS(snd_als4000_pm, snd_als4000_suspend, snd_als4000_resume);
-#define SND_ALS4000_PM_OPS &snd_als4000_pm
-#else
-#define SND_ALS4000_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(snd_als4000_pm, snd_als4000_suspend, snd_als4000_resume);
static struct pci_driver als4000_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_als4000_ids,
.probe = snd_card_als4000_probe,
.driver = {
- .pm = SND_ALS4000_PM_OPS,
+ .pm = &snd_als4000_pm,
},
};
return 0;
}
-#ifdef CONFIG_PM_SLEEP
static int snd_atiixp_aclink_down(struct atiixp *chip)
{
// if (atiixp_read(chip, MODEM_MIRROR) & 0x1) /* modem running, too? */
ATI_REG_CMD_POWERDOWN);
return 0;
}
-#endif
/*
* auto-detection of codecs
}
-#ifdef CONFIG_PM_SLEEP
/*
* power management
*/
return 0;
}
-static SIMPLE_DEV_PM_OPS(snd_atiixp_pm, snd_atiixp_suspend, snd_atiixp_resume);
-#define SND_ATIIXP_PM_OPS &snd_atiixp_pm
-#else
-#define SND_ATIIXP_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
-
+static DEFINE_SIMPLE_DEV_PM_OPS(snd_atiixp_pm, snd_atiixp_suspend, snd_atiixp_resume);
/*
* proc interface for register dump
.id_table = snd_atiixp_ids,
.probe = snd_atiixp_probe,
.driver = {
- .pm = SND_ATIIXP_PM_OPS,
+ .pm = &snd_atiixp_pm,
},
};
return 0;
}
-#ifdef CONFIG_PM_SLEEP
static int snd_atiixp_aclink_down(struct atiixp_modem *chip)
{
// if (atiixp_read(chip, MODEM_MIRROR) & 0x1) /* modem running, too? */
ATI_REG_CMD_POWERDOWN);
return 0;
}
-#endif
/*
* auto-detection of codecs
}
-#ifdef CONFIG_PM_SLEEP
/*
* power management
*/
return 0;
}
-static SIMPLE_DEV_PM_OPS(snd_atiixp_pm, snd_atiixp_suspend, snd_atiixp_resume);
-#define SND_ATIIXP_PM_OPS &snd_atiixp_pm
-#else
-#define SND_ATIIXP_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(snd_atiixp_pm, snd_atiixp_suspend, snd_atiixp_resume);
/*
* proc interface for register dump
.id_table = snd_atiixp_ids,
.probe = snd_atiixp_probe,
.driver = {
- .pm = SND_ATIIXP_PM_OPS,
+ .pm = &snd_atiixp_pm,
},
};
#define NUM_STREAM_CAPTURE_ANA 0
-typedef void (*snd_aw2_saa7146_it_cb) (void *);
+struct snd_pcm_substream;
+typedef void (*snd_aw2_saa7146_it_cb) (struct snd_pcm_substream *);
struct snd_aw2_saa7146_cb_param {
snd_aw2_saa7146_it_cb p_it_callback;
- void *p_callback_param;
+ struct snd_pcm_substream *p_callback_param;
};
/* definition of the chip-specific record */
* CONFIG_PM register storage below, but that's slightly difficult. */
u16 shadow_reg_ctrl_6AH;
-#ifdef CONFIG_PM_SLEEP
/* register value containers for power management
* Note: not always full I/O range preserved (similar to Win driver!) */
u32 saved_regs_ctrl[AZF_ALIGN(AZF_IO_SIZE_CTRL_PM) / 4];
u32 saved_regs_mpu[AZF_ALIGN(AZF_IO_SIZE_MPU_PM) / 4];
u32 saved_regs_opl3[AZF_ALIGN(AZF_IO_SIZE_OPL3_PM) / 4];
u32 saved_regs_mixer[AZF_ALIGN(AZF_IO_SIZE_MIXER_PM) / 4];
-#endif
};
static const struct pci_device_id snd_azf3328_ids[] = {
return snd_card_free_on_error(&pci->dev, __snd_azf3328_probe(pci, pci_id));
}
-#ifdef CONFIG_PM_SLEEP
static inline void
snd_azf3328_suspend_regs(const struct snd_azf3328 *chip,
unsigned long io_addr, unsigned count, u32 *saved_regs)
return 0;
}
-static SIMPLE_DEV_PM_OPS(snd_azf3328_pm, snd_azf3328_suspend, snd_azf3328_resume);
-#define SND_AZF3328_PM_OPS &snd_azf3328_pm
-#else
-#define SND_AZF3328_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(snd_azf3328_pm, snd_azf3328_suspend, snd_azf3328_resume);
static struct pci_driver azf3328_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_azf3328_ids,
.probe = snd_azf3328_probe,
.driver = {
- .pm = SND_AZF3328_PM_OPS,
+ .pm = &snd_azf3328_pm,
},
};
spinlock_t reg_lock;
-#ifdef CONFIG_PM_SLEEP
unsigned int saved_regs[0x20];
unsigned char saved_mixers[0x20];
-#endif
};
return err;
}
-#ifdef CONFIG_PM_SLEEP
/*
* power management
*/
return 0;
}
-static SIMPLE_DEV_PM_OPS(snd_cmipci_pm, snd_cmipci_suspend, snd_cmipci_resume);
-#define SND_CMIPCI_PM_OPS &snd_cmipci_pm
-#else
-#define SND_CMIPCI_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(snd_cmipci_pm, snd_cmipci_suspend, snd_cmipci_resume);
static struct pci_driver cmipci_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_cmipci_ids,
.probe = snd_cmipci_probe,
.driver = {
- .pm = SND_CMIPCI_PM_OPS,
+ .pm = &snd_cmipci_pm,
},
};
struct gameport *gameport;
-#ifdef CONFIG_PM_SLEEP
u32 suspend_regs[SUSPEND_REGISTERS];
-#endif
-
};
static irqreturn_t snd_cs4281_interrupt(int irq, void *dev_id);
/*
* Power Management
*/
-#ifdef CONFIG_PM_SLEEP
-
static const int saved_regs[SUSPEND_REGISTERS] = {
BA0_JSCTL,
BA0_GPIOR,
return 0;
}
-static SIMPLE_DEV_PM_OPS(cs4281_pm, cs4281_suspend, cs4281_resume);
-#define CS4281_PM_OPS &cs4281_pm
-#else
-#define CS4281_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(cs4281_pm, cs4281_suspend, cs4281_resume);
static struct pci_driver cs4281_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_cs4281_ids,
.probe = snd_cs4281_probe,
.driver = {
- .pm = CS4281_PM_OPS,
+ .pm = &cs4281_pm,
},
};
return 0;
}
-int amixer_mgr_create(struct hw *hw, struct amixer_mgr **ramixer_mgr)
+int amixer_mgr_create(struct hw *hw, void **ramixer_mgr)
{
int err;
struct amixer_mgr *amixer_mgr;
return err;
}
-int amixer_mgr_destroy(struct amixer_mgr *amixer_mgr)
+int amixer_mgr_destroy(void *ptr)
{
+ struct amixer_mgr *amixer_mgr = ptr;
rsc_mgr_uninit(&amixer_mgr->mgr);
kfree(amixer_mgr);
return 0;
return 0;
}
-int sum_mgr_create(struct hw *hw, struct sum_mgr **rsum_mgr)
+int sum_mgr_create(struct hw *hw, void **rsum_mgr)
{
int err;
struct sum_mgr *sum_mgr;
return err;
}
-int sum_mgr_destroy(struct sum_mgr *sum_mgr)
+int sum_mgr_destroy(void *ptr)
{
+ struct sum_mgr *sum_mgr = ptr;
rsc_mgr_uninit(&sum_mgr->mgr);
kfree(sum_mgr);
return 0;
};
/* Constructor and destructor of daio resource manager */
-int sum_mgr_create(struct hw *hw, struct sum_mgr **rsum_mgr);
-int sum_mgr_destroy(struct sum_mgr *sum_mgr);
+int sum_mgr_create(struct hw *hw, void **ptr);
+int sum_mgr_destroy(void *ptr);
/* Define the descriptor of a amixer resource */
struct amixer_rsc_ops;
};
/* Constructor and destructor of amixer resource manager */
-int amixer_mgr_create(struct hw *hw, struct amixer_mgr **ramixer_mgr);
-int amixer_mgr_destroy(struct amixer_mgr *amixer_mgr);
+int amixer_mgr_create(struct hw *hw, void **ramixer_mgr);
+int amixer_mgr_destroy(void *amixer_mgr);
#endif /* CTAMIXER_H */
.public_name = "Mixer"}
};
-typedef int (*create_t)(struct hw *, void **);
-typedef int (*destroy_t)(void *);
-
static struct {
int (*create)(struct hw *hw, void **rmgr);
int (*destroy)(void *mgr);
} rsc_mgr_funcs[NUM_RSCTYP] = {
- [SRC] = { .create = (create_t)src_mgr_create,
- .destroy = (destroy_t)src_mgr_destroy },
- [SRCIMP] = { .create = (create_t)srcimp_mgr_create,
- .destroy = (destroy_t)srcimp_mgr_destroy },
- [AMIXER] = { .create = (create_t)amixer_mgr_create,
- .destroy = (destroy_t)amixer_mgr_destroy },
- [SUM] = { .create = (create_t)sum_mgr_create,
- .destroy = (destroy_t)sum_mgr_destroy },
- [DAIO] = { .create = (create_t)daio_mgr_create,
- .destroy = (destroy_t)daio_mgr_destroy }
+ [SRC] = { .create = src_mgr_create,
+ .destroy = src_mgr_destroy },
+ [SRCIMP] = { .create = srcimp_mgr_create,
+ .destroy = srcimp_mgr_destroy },
+ [AMIXER] = { .create = amixer_mgr_create,
+ .destroy = amixer_mgr_destroy },
+ [SUM] = { .create = sum_mgr_create,
+ .destroy = sum_mgr_destroy },
+ [DAIO] = { .create = daio_mgr_create,
+ .destroy = daio_mgr_destroy }
};
static int
return 0;
}
-int daio_mgr_create(struct hw *hw, struct daio_mgr **rdaio_mgr)
+int daio_mgr_create(struct hw *hw, void **rdaio_mgr)
{
int err, i;
struct daio_mgr *daio_mgr;
return err;
}
-int daio_mgr_destroy(struct daio_mgr *daio_mgr)
+int daio_mgr_destroy(void *ptr)
{
+ struct daio_mgr *daio_mgr = ptr;
unsigned long flags;
/* free daio input mapper list */
};
/* Constructor and destructor of daio resource manager */
-int daio_mgr_create(struct hw *hw, struct daio_mgr **rdaio_mgr);
-int daio_mgr_destroy(struct daio_mgr *daio_mgr);
+int daio_mgr_create(struct hw *hw, void **ptr);
+int daio_mgr_destroy(void *ptr);
#endif /* CTDAIO_H */
return 0;
}
-int src_mgr_create(struct hw *hw, struct src_mgr **rsrc_mgr)
+int src_mgr_create(struct hw *hw, void **rsrc_mgr)
{
int err, i;
struct src_mgr *src_mgr;
return err;
}
-int src_mgr_destroy(struct src_mgr *src_mgr)
+int src_mgr_destroy(void *ptr)
{
+ struct src_mgr *src_mgr = ptr;
rsc_mgr_uninit(&src_mgr->mgr);
kfree(src_mgr);
return err;
}
-int srcimp_mgr_create(struct hw *hw, struct srcimp_mgr **rsrcimp_mgr)
+int srcimp_mgr_create(struct hw *hw, void **rsrcimp_mgr)
{
int err;
struct srcimp_mgr *srcimp_mgr;
return err;
}
-int srcimp_mgr_destroy(struct srcimp_mgr *srcimp_mgr)
+int srcimp_mgr_destroy(void *ptr)
{
+ struct srcimp_mgr *srcimp_mgr = ptr;
unsigned long flags;
/* free src input mapper list */
};
/* Constructor and destructor of SRC resource manager */
-int src_mgr_create(struct hw *hw, struct src_mgr **rsrc_mgr);
-int src_mgr_destroy(struct src_mgr *src_mgr);
+int src_mgr_create(struct hw *hw, void **ptr);
+int src_mgr_destroy(void *ptr);
/* Constructor and destructor of SRCIMP resource manager */
-int srcimp_mgr_create(struct hw *hw, struct srcimp_mgr **rsrc_mgr);
-int srcimp_mgr_destroy(struct srcimp_mgr *srcimp_mgr);
+int srcimp_mgr_create(struct hw *hw, void **ptr);
+int srcimp_mgr_destroy(void *ptr);
#endif /* CTSRC_H */
int err;
char name[30];
-#ifdef CONFIG_PM_SLEEP
if (chip->fw_cache[fw_index]) {
dev_dbg(chip->card->dev,
"firmware requested: %s is cached\n",
*fw_entry = chip->fw_cache[fw_index];
return 0;
}
-#endif
dev_dbg(chip->card->dev,
"firmware requested: %s\n", card_fw[fw_index].data);
if (err < 0)
dev_err(chip->card->dev,
"get_firmware(): Firmware not available (%d)\n", err);
-#ifdef CONFIG_PM_SLEEP
else
chip->fw_cache[fw_index] = *fw_entry;
-#endif
return err;
}
static void free_firmware(const struct firmware *fw_entry,
struct echoaudio *chip)
{
-#ifdef CONFIG_PM_SLEEP
dev_dbg(chip->card->dev, "firmware not released (kept in cache)\n");
-#else
- release_firmware(fw_entry);
-#endif
}
static void free_firmware_cache(struct echoaudio *chip)
{
-#ifdef CONFIG_PM_SLEEP
int i;
for (i = 0; i < 8 ; i++)
release_firmware(chip->fw_cache[i]);
dev_dbg(chip->card->dev, "release_firmware(%d)\n", i);
}
-
-#endif
}
}
-#if defined(CONFIG_PM_SLEEP)
-
static int snd_echo_suspend(struct device *dev)
{
struct echoaudio *chip = dev_get_drvdata(dev);
return 0;
}
-static SIMPLE_DEV_PM_OPS(snd_echo_pm, snd_echo_suspend, snd_echo_resume);
-#define SND_ECHO_PM_OPS &snd_echo_pm
-#else
-#define SND_ECHO_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(snd_echo_pm, snd_echo_suspend, snd_echo_resume);
/******************************************************************************
Everything starts and ends here
.id_table = snd_echo_ids,
.probe = snd_echo_probe,
.driver = {
- .pm = SND_ECHO_PM_OPS,
+ .pm = &snd_echo_pm,
},
};
u32 __iomem *dsp_registers; /* DSP's register base */
u32 active_mask; /* Chs. active mask or
* punks out */
-#ifdef CONFIG_PM_SLEEP
const struct firmware *fw_cache[8]; /* Cached firmwares */
-#endif
#ifdef ECHOCARD_HAS_MIDI
u16 mtc_state; /* State for MIDI input parsing state machine */
chip->digital_mode == DIGITAL_MODE_ADAT))
return -EINVAL;
- clock = 0;
control_reg = le32_to_cpu(chip->comm_page->control_register);
control_reg &= E3G_CLOCK_CLEAR_MASK;
outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
}
-#ifdef CONFIG_PM_SLEEP
static int snd_ensoniq_suspend(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
return 0;
}
-static SIMPLE_DEV_PM_OPS(snd_ensoniq_pm, snd_ensoniq_suspend, snd_ensoniq_resume);
-#define SND_ENSONIQ_PM_OPS &snd_ensoniq_pm
-#else
-#define SND_ENSONIQ_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(snd_ensoniq_pm, snd_ensoniq_suspend, snd_ensoniq_resume);
static int snd_ensoniq_create(struct snd_card *card,
struct pci_dev *pci)
.id_table = snd_audiopci_ids,
.probe = snd_audiopci_probe,
.driver = {
- .pm = SND_ENSONIQ_PM_OPS,
+ .pm = &snd_ensoniq_pm,
},
};
#ifdef SUPPORT_JOYSTICK
struct gameport *gameport;
#endif
-#ifdef CONFIG_PM_SLEEP
unsigned char saved_regs[SAVED_REG_SIZE];
-#endif
};
static irqreturn_t snd_es1938_interrupt(int irq, void *dev_id);
outb(0, SLDM_REG(chip, DMACLEAR));
}
-#ifdef CONFIG_PM_SLEEP
/*
* PM support
*/
return 0;
}
-static SIMPLE_DEV_PM_OPS(es1938_pm, es1938_suspend, es1938_resume);
-#define ES1938_PM_OPS &es1938_pm
-#else
-#define ES1938_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(es1938_pm, es1938_suspend, es1938_resume);
#ifdef SUPPORT_JOYSTICK
static int snd_es1938_create_gameport(struct es1938 *chip)
.id_table = snd_es1938_ids,
.probe = snd_es1938_probe,
.driver = {
- .pm = ES1938_PM_OPS,
+ .pm = &es1938_pm,
},
};
/* linked list */
struct list_head list;
-#ifdef CONFIG_PM_SLEEP
u16 wc_map[4];
-#endif
};
struct es1968 {
struct list_head substream_list;
spinlock_t substream_lock;
-#ifdef CONFIG_PM_SLEEP
u16 apu_map[NR_APUS][NR_APU_REGS];
-#endif
#ifdef SUPPORT_JOYSTICK
struct gameport *gameport;
{
if (snd_BUG_ON(channel >= NR_APUS))
return;
-#ifdef CONFIG_PM_SLEEP
chip->apu_map[channel][reg] = data;
-#endif
reg |= (channel << 4);
apu_index_set(chip, reg);
apu_data_set(chip, data);
/* set the wavecache control reg */
wave_set_register(chip, es->apu[channel] << 3, tmpval);
-#ifdef CONFIG_PM_SLEEP
es->wc_map[channel] = tmpval;
-#endif
}
outw(w, chip->io_port + ESM_PORT_HOST_IRQ);
}
-#ifdef CONFIG_PM_SLEEP
/*
* PM support
*/
return 0;
}
-static SIMPLE_DEV_PM_OPS(es1968_pm, es1968_suspend, es1968_resume);
-#define ES1968_PM_OPS &es1968_pm
-#else
-#define ES1968_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(es1968_pm, es1968_suspend, es1968_resume);
#ifdef SUPPORT_JOYSTICK
#define JOYSTICK_ADDR 0x200
.id_table = snd_es1968_ids,
.probe = snd_es1968_probe,
.driver = {
- .pm = ES1968_PM_OPS,
+ .pm = &es1968_pm,
},
};
struct snd_tea575x tea;
#endif
-#ifdef CONFIG_PM_SLEEP
u16 saved_regs[0x20];
-#endif
};
/*
return snd_card_free_on_error(&pci->dev, __snd_card_fm801_probe(pci, pci_id));
}
-#ifdef CONFIG_PM_SLEEP
static const unsigned char saved_regs[] = {
FM801_PCM_VOL, FM801_I2S_VOL, FM801_FM_VOL, FM801_REC_SRC,
FM801_PLY_CTRL, FM801_PLY_COUNT, FM801_PLY_BUF1, FM801_PLY_BUF2,
return 0;
}
-static SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
-#define SND_FM801_PM_OPS &snd_fm801_pm
-#else
-#define SND_FM801_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(snd_fm801_pm, snd_fm801_suspend, snd_fm801_resume);
static struct pci_driver fm801_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_fm801_ids,
.probe = snd_card_fm801_probe,
.driver = {
- .pm = SND_FM801_PM_OPS,
+ .pm = &snd_fm801_pm,
},
};
tristate
select FW_CS_DSP
+config SND_HDA_SCODEC_COMPONENT
+ tristate
+
config SND_HDA_SCODEC_CS35L41_I2C
tristate "Build CS35L41 HD-audio side codec support for I2C Bus"
depends on I2C
tristate "Build Realtek HD-audio codec support"
select SND_HDA_GENERIC
select SND_HDA_GENERIC_LEDS
+ select SND_HDA_SCODEC_COMPONENT
help
Say Y or M here to include Realtek HD-audio codec support in
snd-hda-intel driver, such as ALC880.
snd-hda-scodec-cs35l56-i2c-objs := cs35l56_hda_i2c.o
snd-hda-scodec-cs35l56-spi-objs := cs35l56_hda_spi.o
snd-hda-cs-dsp-ctls-objs := hda_cs_dsp_ctl.o
+snd-hda-scodec-component-objs := hda_component.o
snd-hda-scodec-tas2781-i2c-objs := tas2781_hda_i2c.o
# common driver
obj-$(CONFIG_SND_HDA_SCODEC_CS35L56_I2C) += snd-hda-scodec-cs35l56-i2c.o
obj-$(CONFIG_SND_HDA_SCODEC_CS35L56_SPI) += snd-hda-scodec-cs35l56-spi.o
obj-$(CONFIG_SND_HDA_CS_DSP_CONTROLS) += snd-hda-cs-dsp-ctls.o
+obj-$(CONFIG_SND_HDA_SCODEC_COMPONENT) += snd-hda-scodec-component.o
obj-$(CONFIG_SND_HDA_SCODEC_TAS2781_I2C) += snd-hda-scodec-tas2781-i2c.o
# this must be the last entry after codec drivers;
{ "103C8A2E", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
{ "103C8A30", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
{ "103C8A31", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
+ { "103C8A6E", 4, EXTERNAL, { CS35L41_LEFT, CS35L41_LEFT, CS35L41_RIGHT, CS35L41_RIGHT }, 0, -1, -1, 0, 0, 0 },
{ "103C8BB3", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
{ "103C8BB4", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
+ { "103C8BDD", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
+ { "103C8BDE", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
{ "103C8BDF", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
{ "103C8BE0", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
{ "103C8BE1", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
{ "103C8BE2", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
- { "103C8BE9", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
- { "103C8BDD", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
- { "103C8BDE", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
{ "103C8BE3", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
{ "103C8BE5", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
{ "103C8BE6", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
+ { "103C8BE7", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
+ { "103C8BE8", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
+ { "103C8BE9", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
{ "103C8B3A", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
+ { "103C8C15", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4000, 24 },
+ { "103C8C16", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4000, 24 },
+ { "103C8C17", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4000, 24 },
+ { "103C8C4F", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
+ { "103C8C50", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
+ { "103C8C51", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
+ { "103C8CDD", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4100, 24 },
+ { "103C8CDE", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 3900, 24 },
{ "104312AF", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
{ "10431433", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
{ "10431463", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
struct spi_device *spi;
bool dsd_found;
int ret;
+ int i;
for (cfg = cs35l41_config_table; cfg->ssid; cfg++) {
if (!strcasecmp(cfg->ssid, cs35l41->acpi_subsystem_id))
cs35l41->index = id == 0x40 ? 0 : 1;
}
- if (cfg->num_amps == 3)
- /* 3 amps means a center channel, so no duplicate channels */
- cs35l41->channel_index = 0;
- else
- /*
- * if 4 amps, there are duplicate channels, so they need different indexes
- * if 2 amps, no duplicate channels, channel_index would be 0
- */
- cs35l41->channel_index = cs35l41->index / 2;
-
cs35l41->reset_gpio = fwnode_gpiod_get_index(acpi_fwnode_handle(cs35l41->dacpi), "reset",
cs35l41->index, GPIOD_OUT_LOW,
"cs35l41-reset");
hw_cfg->spk_pos = cfg->channel[cs35l41->index];
+ cs35l41->channel_index = 0;
+ for (i = 0; i < cs35l41->index; i++)
+ if (cfg->channel[i] == hw_cfg->spk_pos)
+ cs35l41->channel_index++;
+
if (cfg->boost_type == INTERNAL) {
hw_cfg->bst_type = CS35L41_INT_BOOST;
hw_cfg->bst_ind = cfg->boost_ind_nanohenry;
return 0;
}
+/*
+ * Systems 103C8C66, 103C8C67, 103C8C68, 103C8C6A use a dual speaker id system - each speaker has
+ * its own speaker id.
+ */
+static int hp_i2c_int_2amp_dual_spkid(struct cs35l41_hda *cs35l41, struct device *physdev, int id,
+ const char *hid)
+{
+ struct cs35l41_hw_cfg *hw_cfg = &cs35l41->hw_cfg;
+
+ /* If _DSD exists for this laptop, we cannot support it through here */
+ if (acpi_dev_has_props(cs35l41->dacpi))
+ return -ENOENT;
+
+ /* check I2C address to assign the index */
+ cs35l41->index = id == 0x40 ? 0 : 1;
+ cs35l41->channel_index = 0;
+ cs35l41->reset_gpio = gpiod_get_index(physdev, NULL, 0, GPIOD_OUT_HIGH);
+ if (cs35l41->index == 0)
+ cs35l41->speaker_id = cs35l41_get_speaker_id(physdev, 0, 0, 1);
+ else
+ cs35l41->speaker_id = cs35l41_get_speaker_id(physdev, 0, 0, 2);
+ hw_cfg->spk_pos = cs35l41->index;
+ hw_cfg->gpio2.func = CS35L41_INTERRUPT;
+ hw_cfg->gpio2.valid = true;
+ hw_cfg->valid = true;
+
+ hw_cfg->bst_type = CS35L41_INT_BOOST;
+ hw_cfg->bst_ind = 1000;
+ hw_cfg->bst_ipk = 4100;
+ hw_cfg->bst_cap = 24;
+ hw_cfg->gpio1.func = CS35L41_NOT_USED;
+ hw_cfg->gpio1.valid = true;
+
+ return 0;
+}
+
/*
* Device CLSA010(0/1) doesn't have _DSD so a gpiod_get by the label reset won't work.
* And devices created by serial-multi-instantiate don't have their device struct
{ "CSC3551", "103C8A2E", generic_dsd_config },
{ "CSC3551", "103C8A30", generic_dsd_config },
{ "CSC3551", "103C8A31", generic_dsd_config },
+ { "CSC3551", "103C8A6E", generic_dsd_config },
{ "CSC3551", "103C8BB3", generic_dsd_config },
{ "CSC3551", "103C8BB4", generic_dsd_config },
+ { "CSC3551", "103C8BDD", generic_dsd_config },
+ { "CSC3551", "103C8BDE", generic_dsd_config },
{ "CSC3551", "103C8BDF", generic_dsd_config },
{ "CSC3551", "103C8BE0", generic_dsd_config },
{ "CSC3551", "103C8BE1", generic_dsd_config },
{ "CSC3551", "103C8BE2", generic_dsd_config },
- { "CSC3551", "103C8BE9", generic_dsd_config },
- { "CSC3551", "103C8BDD", generic_dsd_config },
- { "CSC3551", "103C8BDE", generic_dsd_config },
{ "CSC3551", "103C8BE3", generic_dsd_config },
{ "CSC3551", "103C8BE5", generic_dsd_config },
{ "CSC3551", "103C8BE6", generic_dsd_config },
+ { "CSC3551", "103C8BE7", generic_dsd_config },
+ { "CSC3551", "103C8BE8", generic_dsd_config },
+ { "CSC3551", "103C8BE9", generic_dsd_config },
{ "CSC3551", "103C8B3A", generic_dsd_config },
+ { "CSC3551", "103C8C15", generic_dsd_config },
+ { "CSC3551", "103C8C16", generic_dsd_config },
+ { "CSC3551", "103C8C17", generic_dsd_config },
+ { "CSC3551", "103C8C4F", generic_dsd_config },
+ { "CSC3551", "103C8C50", generic_dsd_config },
+ { "CSC3551", "103C8C51", generic_dsd_config },
+ { "CSC3551", "103C8C66", hp_i2c_int_2amp_dual_spkid },
+ { "CSC3551", "103C8C67", hp_i2c_int_2amp_dual_spkid },
+ { "CSC3551", "103C8C68", hp_i2c_int_2amp_dual_spkid },
+ { "CSC3551", "103C8C6A", hp_i2c_int_2amp_dual_spkid },
+ { "CSC3551", "103C8CDD", generic_dsd_config },
+ { "CSC3551", "103C8CDE", generic_dsd_config },
{ "CSC3551", "104312AF", generic_dsd_config },
{ "CSC3551", "10431433", generic_dsd_config },
{ "CSC3551", "10431463", generic_dsd_config },
if (preloaded_fw_ver) {
snprintf(base_name, sizeof(base_name),
- "cirrus/cs35l56-%02x%s-%06x-dsp1-misc",
+ "cirrus/cs35l%02x-%02x%s-%06x-dsp1-misc",
+ cs35l56->base.type,
cs35l56->base.rev,
cs35l56->base.secured ? "-s" : "",
preloaded_fw_ver & 0xffffff);
} else {
snprintf(base_name, sizeof(base_name),
- "cirrus/cs35l56-%02x%s-dsp1-misc",
+ "cirrus/cs35l%02x-%02x%s-dsp1-misc",
+ cs35l56->base.type,
cs35l56->base.rev,
cs35l56->base.secured ? "-s" : "");
}
return 0;
}
-static int cs35l56_hda_read_acpi(struct cs35l56_hda *cs35l56, int id)
+static int cs35l56_hda_read_acpi(struct cs35l56_hda *cs35l56, int hid, int id)
{
u32 values[HDA_MAX_COMPONENTS];
+ char hid_string[8];
struct acpi_device *adev;
const char *property, *sub;
size_t nval;
* the serial-multi-instantiate driver, so lookup the node by HID
*/
if (!ACPI_COMPANION(cs35l56->base.dev)) {
- adev = acpi_dev_get_first_match_dev("CSC3556", NULL, -1);
+ snprintf(hid_string, sizeof(hid_string), "CSC%04X", hid);
+ adev = acpi_dev_get_first_match_dev(hid_string, NULL, -1);
if (!adev) {
dev_err(cs35l56->base.dev, "Failed to find an ACPI device for %s\n",
dev_name(cs35l56->base.dev));
return ret;
}
-int cs35l56_hda_common_probe(struct cs35l56_hda *cs35l56, int id)
+int cs35l56_hda_common_probe(struct cs35l56_hda *cs35l56, int hid, int id)
{
int ret;
mutex_init(&cs35l56->base.irq_lock);
dev_set_drvdata(cs35l56->base.dev, cs35l56);
- ret = cs35l56_hda_read_acpi(cs35l56, id);
+ ret = cs35l56_hda_read_acpi(cs35l56, hid, id);
if (ret)
goto err;
extern const struct dev_pm_ops cs35l56_hda_pm_ops;
-int cs35l56_hda_common_probe(struct cs35l56_hda *cs35l56, int id);
+int cs35l56_hda_common_probe(struct cs35l56_hda *cs35l56, int hid, int id);
void cs35l56_hda_remove(struct device *dev);
#endif /*__CS35L56_HDA_H__*/
static int cs35l56_hda_i2c_probe(struct i2c_client *clt)
{
+ const struct i2c_device_id *id = i2c_client_get_device_id(clt);
struct cs35l56_hda *cs35l56;
int ret;
return ret;
}
- ret = cs35l56_hda_common_probe(cs35l56, clt->addr);
+ ret = cs35l56_hda_common_probe(cs35l56, id->driver_data, clt->addr);
if (ret)
return ret;
ret = cs35l56_irq_request(&cs35l56->base, clt->irq);
}
static const struct i2c_device_id cs35l56_hda_i2c_id[] = {
- { "cs35l56-hda", 0 },
+ { "cs35l54-hda", 0x3554 },
+ { "cs35l56-hda", 0x3556 },
+ { "cs35l57-hda", 0x3557 },
{}
};
static int cs35l56_hda_spi_probe(struct spi_device *spi)
{
+ const struct spi_device_id *id = spi_get_device_id(spi);
struct cs35l56_hda *cs35l56;
int ret;
return ret;
}
- ret = cs35l56_hda_common_probe(cs35l56, spi_get_chipselect(spi, 0));
+ ret = cs35l56_hda_common_probe(cs35l56, id->driver_data, spi_get_chipselect(spi, 0));
if (ret)
return ret;
ret = cs35l56_irq_request(&cs35l56->base, spi->irq);
}
static const struct spi_device_id cs35l56_hda_spi_id[] = {
- { "cs35l56-hda", 0 },
+ { "cs35l54-hda", 0x3554 },
+ { "cs35l56-hda", 0x3556 },
+ { "cs35l57-hda", 0x3557 },
{}
};
codec->beep = beep;
INIT_WORK(&beep->beep_work, &snd_hda_generate_beep);
- mutex_init(&beep->mutex);
input_dev = input_allocate_device();
if (!input_dev) {
unsigned int playing:1;
unsigned int keep_power_at_enable:1; /* set by driver */
struct work_struct beep_work; /* scheduled task for beep event */
- struct mutex mutex;
void (*power_hook)(struct hda_beep *beep, bool on);
};
list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
int stream;
- for (stream = 0; stream < 2; stream++) {
+ for_each_pcm_streams(stream) {
struct hda_pcm_stream *info = &cpcm->stream[stream];
if (!info->substreams)
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * HD audio Component Binding Interface
+ *
+ * Copyright (C) 2021, 2023 Cirrus Logic, Inc. and
+ * Cirrus Logic International Semiconductor Ltd.
+ */
+
+#include <linux/acpi.h>
+#include <linux/component.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <sound/hda_codec.h>
+#include "hda_component.h"
+#include "hda_local.h"
+
+#ifdef CONFIG_ACPI
+void hda_component_acpi_device_notify(struct hda_component *comps, int num_comps,
+ acpi_handle handle, u32 event, void *data)
+{
+ int i;
+
+ for (i = 0; i < num_comps; i++) {
+ if (comps[i].dev && comps[i].acpi_notify)
+ comps[i].acpi_notify(acpi_device_handle(comps[i].adev), event,
+ comps[i].dev);
+ }
+}
+EXPORT_SYMBOL_NS_GPL(hda_component_acpi_device_notify, SND_HDA_SCODEC_COMPONENT);
+
+int hda_component_manager_bind_acpi_notifications(struct hda_codec *cdc,
+ struct hda_component *comps, int num_comps,
+ acpi_notify_handler handler, void *data)
+{
+ bool support_notifications = false;
+ struct acpi_device *adev;
+ int ret;
+ int i;
+
+ adev = comps[0].adev;
+ if (!acpi_device_handle(adev))
+ return 0;
+
+ for (i = 0; i < num_comps; i++)
+ support_notifications = support_notifications ||
+ comps[i].acpi_notifications_supported;
+
+ if (support_notifications) {
+ ret = acpi_install_notify_handler(adev->handle, ACPI_DEVICE_NOTIFY,
+ handler, data);
+ if (ret < 0) {
+ codec_warn(cdc, "Failed to install notify handler: %d\n", ret);
+ return 0;
+ }
+
+ codec_dbg(cdc, "Notify handler installed\n");
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_NS_GPL(hda_component_manager_bind_acpi_notifications, SND_HDA_SCODEC_COMPONENT);
+
+void hda_component_manager_unbind_acpi_notifications(struct hda_codec *cdc,
+ struct hda_component *comps,
+ acpi_notify_handler handler)
+{
+ struct acpi_device *adev;
+ int ret;
+
+ adev = comps[0].adev;
+ if (!acpi_device_handle(adev))
+ return;
+
+ ret = acpi_remove_notify_handler(adev->handle, ACPI_DEVICE_NOTIFY, handler);
+ if (ret < 0)
+ codec_warn(cdc, "Failed to uninstall notify handler: %d\n", ret);
+}
+EXPORT_SYMBOL_NS_GPL(hda_component_manager_unbind_acpi_notifications, SND_HDA_SCODEC_COMPONENT);
+#endif /* ifdef CONFIG_ACPI */
+
+void hda_component_manager_playback_hook(struct hda_component *comps, int num_comps, int action)
+{
+ int i;
+
+ for (i = 0; i < num_comps; i++) {
+ if (comps[i].dev && comps[i].pre_playback_hook)
+ comps[i].pre_playback_hook(comps[i].dev, action);
+ }
+ for (i = 0; i < num_comps; i++) {
+ if (comps[i].dev && comps[i].playback_hook)
+ comps[i].playback_hook(comps[i].dev, action);
+ }
+ for (i = 0; i < num_comps; i++) {
+ if (comps[i].dev && comps[i].post_playback_hook)
+ comps[i].post_playback_hook(comps[i].dev, action);
+ }
+}
+EXPORT_SYMBOL_NS_GPL(hda_component_manager_playback_hook, SND_HDA_SCODEC_COMPONENT);
+
+struct hda_scodec_match {
+ const char *bus;
+ const char *hid;
+ const char *match_str;
+ int index;
+};
+
+/* match the device name in a slightly relaxed manner */
+static int hda_comp_match_dev_name(struct device *dev, void *data)
+{
+ struct hda_scodec_match *p = data;
+ const char *d = dev_name(dev);
+ int n = strlen(p->bus);
+ char tmp[32];
+
+ /* check the bus name */
+ if (strncmp(d, p->bus, n))
+ return 0;
+ /* skip the bus number */
+ if (isdigit(d[n]))
+ n++;
+ /* the rest must be exact matching */
+ snprintf(tmp, sizeof(tmp), p->match_str, p->hid, p->index);
+ return !strcmp(d + n, tmp);
+}
+
+int hda_component_manager_init(struct hda_codec *cdc,
+ struct hda_component *comps, int count,
+ const char *bus, const char *hid,
+ const char *match_str,
+ const struct component_master_ops *ops)
+{
+ struct device *dev = hda_codec_dev(cdc);
+ struct component_match *match = NULL;
+ struct hda_scodec_match *sm;
+ int ret, i;
+
+ for (i = 0; i < count; i++) {
+ sm = devm_kmalloc(dev, sizeof(*sm), GFP_KERNEL);
+ if (!sm)
+ return -ENOMEM;
+
+ sm->bus = bus;
+ sm->hid = hid;
+ sm->match_str = match_str;
+ sm->index = i;
+ comps[i].codec = cdc;
+ component_match_add(dev, &match, hda_comp_match_dev_name, sm);
+ }
+
+ ret = component_master_add_with_match(dev, ops, match);
+ if (ret)
+ codec_err(cdc, "Fail to register component aggregator %d\n", ret);
+
+ return ret;
+}
+EXPORT_SYMBOL_NS_GPL(hda_component_manager_init, SND_HDA_SCODEC_COMPONENT);
+
+void hda_component_manager_free(struct hda_codec *cdc,
+ const struct component_master_ops *ops)
+{
+ struct device *dev = hda_codec_dev(cdc);
+
+ component_master_del(dev, ops);
+}
+EXPORT_SYMBOL_NS_GPL(hda_component_manager_free, SND_HDA_SCODEC_COMPONENT);
+
+MODULE_DESCRIPTION("HD Audio component binding library");
+MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>");
+MODULE_LICENSE("GPL");
* Cirrus Logic International Semiconductor Ltd.
*/
+#ifndef __HDA_COMPONENT_H__
+#define __HDA_COMPONENT_H__
+
#include <linux/acpi.h>
#include <linux/component.h>
+#include <sound/hda_codec.h>
#define HDA_MAX_COMPONENTS 4
#define HDA_MAX_NAME_SIZE 50
void (*playback_hook)(struct device *dev, int action);
void (*post_playback_hook)(struct device *dev, int action);
};
+
+#ifdef CONFIG_ACPI
+void hda_component_acpi_device_notify(struct hda_component *comps, int num_comps,
+ acpi_handle handle, u32 event, void *data);
+int hda_component_manager_bind_acpi_notifications(struct hda_codec *cdc,
+ struct hda_component *comps, int num_comps,
+ acpi_notify_handler handler, void *data);
+void hda_component_manager_unbind_acpi_notifications(struct hda_codec *cdc,
+ struct hda_component *comps,
+ acpi_notify_handler handler);
+#else
+static inline void hda_component_acpi_device_notify(struct hda_component *comps,
+ int num_comps,
+ acpi_handle handle,
+ u32 event,
+ void *data)
+{
+}
+
+static inline int hda_component_manager_bind_acpi_notifications(struct hda_codec *cdc,
+ struct hda_component *comps,
+ int num_comps,
+ acpi_notify_handler handler,
+ void *data)
+
+{
+ return 0;
+}
+
+static inline void hda_component_manager_unbind_acpi_notifications(struct hda_codec *cdc,
+ struct hda_component *comps,
+ acpi_notify_handler handler)
+{
+}
+#endif /* ifdef CONFIG_ACPI */
+
+void hda_component_manager_playback_hook(struct hda_component *comps, int num_comps,
+ int action);
+
+int hda_component_manager_init(struct hda_codec *cdc,
+ struct hda_component *comps, int count,
+ const char *bus, const char *hid,
+ const char *match_str,
+ const struct component_master_ops *ops);
+
+void hda_component_manager_free(struct hda_codec *cdc,
+ const struct component_master_ops *ops);
+
+static inline int hda_component_manager_bind(struct hda_codec *cdc,
+ struct hda_component *comps)
+{
+ return component_bind_all(hda_codec_dev(cdc), comps);
+}
+
+static inline void hda_component_manager_unbind(struct hda_codec *cdc,
+ struct hda_component *comps)
+{
+ component_unbind_all(hda_codec_dev(cdc), comps);
+}
+
+#endif /* ifndef __HDA_COMPONENT_H__ */
#include <sound/core.h>
#include <sound/initval.h>
+#include <sound/pcm_params.h>
#include "hda_controller.h"
#include "hda_local.h"
struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
struct azx *chip = apcm->chip;
struct azx_dev *azx_dev = get_azx_dev(substream);
+ struct hdac_stream *hdas = azx_stream(azx_dev);
int ret = 0;
trace_azx_pcm_hw_params(chip, azx_dev);
goto unlock;
}
- azx_dev->core.bufsize = 0;
- azx_dev->core.period_bytes = 0;
- azx_dev->core.format_val = 0;
+ /* Set up BDLEs here, return -ENOMEM if too many BDLEs are required */
+ hdas->bufsize = params_buffer_bytes(hw_params);
+ hdas->period_bytes = params_period_bytes(hw_params);
+ hdas->format_val = 0;
+ hdas->no_period_wakeup =
+ (hw_params->info & SNDRV_PCM_INFO_NO_PERIOD_WAKEUP) &&
+ (hw_params->flags & SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP);
+ if (snd_hdac_stream_setup_periods(hdas) < 0)
+ ret = -ENOMEM;
unlock:
dsp_unlock(azx_dev);
u8 alc_mute_keycode_map[1];
/* component binding */
- struct component_match *match;
struct hda_component comps[HDA_MAX_COMPONENTS];
};
SND_PCI_QUIRK(0x1558, 0x65f1, "Clevo PC50HS", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
SND_PCI_QUIRK(0x1558, 0x65f5, "Clevo PD50PN[NRT]", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
SND_PCI_QUIRK(0x1558, 0x66a2, "Clevo PE60RNE", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
+ SND_PCI_QUIRK(0x1558, 0x66a6, "Clevo PE60SN[CDE]-[GS]", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
SND_PCI_QUIRK(0x1558, 0x67d1, "Clevo PB71[ER][CDF]", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
SND_PCI_QUIRK(0x1558, 0x67e1, "Clevo PB71[DE][CDF]", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
SND_PCI_QUIRK(0x1558, 0x67e5, "Clevo PC70D[PRS](?:-D|-G)?", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
}
}
+static void alc285_fixup_hp_envy_x360(struct hda_codec *codec,
+ const struct hda_fixup *fix,
+ int action)
+{
+ static const struct coef_fw coefs[] = {
+ WRITE_COEF(0x08, 0x6a0c), WRITE_COEF(0x0d, 0xa023),
+ WRITE_COEF(0x10, 0x0320), WRITE_COEF(0x1a, 0x8c03),
+ WRITE_COEF(0x25, 0x1800), WRITE_COEF(0x26, 0x003a),
+ WRITE_COEF(0x28, 0x1dfe), WRITE_COEF(0x29, 0xb014),
+ WRITE_COEF(0x2b, 0x1dfe), WRITE_COEF(0x37, 0xfe15),
+ WRITE_COEF(0x38, 0x7909), WRITE_COEF(0x45, 0xd489),
+ WRITE_COEF(0x46, 0x00f4), WRITE_COEF(0x4a, 0x21e0),
+ WRITE_COEF(0x66, 0x03f0), WRITE_COEF(0x67, 0x1000),
+ WRITE_COEF(0x6e, 0x1005), { }
+ };
+
+ static const struct hda_pintbl pincfgs[] = {
+ { 0x12, 0xb7a60130 }, /* Internal microphone*/
+ { 0x14, 0x90170150 }, /* B&O soundbar speakers */
+ { 0x17, 0x90170153 }, /* Side speakers */
+ { 0x19, 0x03a11040 }, /* Headset microphone */
+ { }
+ };
+
+ switch (action) {
+ case HDA_FIXUP_ACT_PRE_PROBE:
+ snd_hda_apply_pincfgs(codec, pincfgs);
+
+ /* Fixes volume control problem for side speakers */
+ alc295_fixup_disable_dac3(codec, fix, action);
+
+ /* Fixes no sound from headset speaker */
+ snd_hda_codec_amp_stereo(codec, 0x21, HDA_OUTPUT, 0, -1, 0);
+
+ /* Auto-enable headset mic when plugged */
+ snd_hda_jack_set_gating_jack(codec, 0x19, 0x21);
+
+ /* Headset mic volume enhancement */
+ snd_hda_codec_set_pin_target(codec, 0x19, PIN_VREF50);
+ break;
+ case HDA_FIXUP_ACT_INIT:
+ alc_process_coef_fw(codec, coefs);
+ break;
+ case HDA_FIXUP_ACT_BUILD:
+ rename_ctl(codec, "Bass Speaker Playback Volume",
+ "B&O-Tuned Playback Volume");
+ rename_ctl(codec, "Front Playback Switch",
+ "B&O Soundbar Playback Switch");
+ rename_ctl(codec, "Bass Speaker Playback Switch",
+ "Side Speaker Playback Switch");
+ break;
+ }
+}
+
/* for hda_fixup_thinkpad_acpi() */
#include "thinkpad_helper.c"
}
}
-#ifdef CONFIG_ACPI
static void comp_acpi_device_notify(acpi_handle handle, u32 event, void *data)
{
struct hda_codec *cdc = data;
struct alc_spec *spec = cdc->spec;
- int i;
codec_info(cdc, "ACPI Notification %d\n", event);
- for (i = 0; i < HDA_MAX_COMPONENTS; i++) {
- if (spec->comps[i].dev && spec->comps[i].acpi_notify)
- spec->comps[i].acpi_notify(acpi_device_handle(spec->comps[i].adev), event,
- spec->comps[i].dev);
- }
-}
-
-static int comp_bind_acpi(struct device *dev)
-{
- struct hda_codec *cdc = dev_to_hda_codec(dev);
- struct alc_spec *spec = cdc->spec;
- bool support_notifications = false;
- struct acpi_device *adev;
- int ret;
- int i;
-
- adev = spec->comps[0].adev;
- if (!acpi_device_handle(adev))
- return 0;
-
- for (i = 0; i < HDA_MAX_COMPONENTS; i++)
- support_notifications = support_notifications ||
- spec->comps[i].acpi_notifications_supported;
-
- if (support_notifications) {
- ret = acpi_install_notify_handler(adev->handle, ACPI_DEVICE_NOTIFY,
- comp_acpi_device_notify, cdc);
- if (ret < 0) {
- codec_warn(cdc, "Failed to install notify handler: %d\n", ret);
- return 0;
- }
-
- codec_dbg(cdc, "Notify handler installed\n");
- }
-
- return 0;
-}
-
-static void comp_unbind_acpi(struct device *dev)
-{
- struct hda_codec *cdc = dev_to_hda_codec(dev);
- struct alc_spec *spec = cdc->spec;
- struct acpi_device *adev;
- int ret;
-
- adev = spec->comps[0].adev;
- if (!acpi_device_handle(adev))
- return;
-
- ret = acpi_remove_notify_handler(adev->handle, ACPI_DEVICE_NOTIFY,
- comp_acpi_device_notify);
- if (ret < 0)
- codec_warn(cdc, "Failed to uninstall notify handler: %d\n", ret);
-}
-#else
-static int comp_bind_acpi(struct device *dev)
-{
- return 0;
+ hda_component_acpi_device_notify(spec->comps, ARRAY_SIZE(spec->comps),
+ handle, event, data);
}
-static void comp_unbind_acpi(struct device *dev)
-{
-}
-#endif
-
static int comp_bind(struct device *dev)
{
struct hda_codec *cdc = dev_to_hda_codec(dev);
struct alc_spec *spec = cdc->spec;
int ret;
- ret = component_bind_all(dev, spec->comps);
+ ret = hda_component_manager_bind(cdc, spec->comps);
if (ret)
return ret;
- return comp_bind_acpi(dev);
+ return hda_component_manager_bind_acpi_notifications(cdc,
+ spec->comps, ARRAY_SIZE(spec->comps),
+ comp_acpi_device_notify, cdc);
}
static void comp_unbind(struct device *dev)
struct hda_codec *cdc = dev_to_hda_codec(dev);
struct alc_spec *spec = cdc->spec;
- comp_unbind_acpi(dev);
- component_unbind_all(dev, spec->comps);
+ hda_component_manager_unbind_acpi_notifications(cdc, spec->comps, comp_acpi_device_notify);
+ hda_component_manager_unbind(cdc, spec->comps);
}
static const struct component_master_ops comp_master_ops = {
struct snd_pcm_substream *sub, int action)
{
struct alc_spec *spec = cdc->spec;
- int i;
-
- for (i = 0; i < HDA_MAX_COMPONENTS; i++) {
- if (spec->comps[i].dev && spec->comps[i].pre_playback_hook)
- spec->comps[i].pre_playback_hook(spec->comps[i].dev, action);
- }
- for (i = 0; i < HDA_MAX_COMPONENTS; i++) {
- if (spec->comps[i].dev && spec->comps[i].playback_hook)
- spec->comps[i].playback_hook(spec->comps[i].dev, action);
- }
- for (i = 0; i < HDA_MAX_COMPONENTS; i++) {
- if (spec->comps[i].dev && spec->comps[i].post_playback_hook)
- spec->comps[i].post_playback_hook(spec->comps[i].dev, action);
- }
-}
-
-struct scodec_dev_name {
- const char *bus;
- const char *hid;
- int index;
-};
-
-/* match the device name in a slightly relaxed manner */
-static int comp_match_cs35l41_dev_name(struct device *dev, void *data)
-{
- struct scodec_dev_name *p = data;
- const char *d = dev_name(dev);
- int n = strlen(p->bus);
- char tmp[32];
-
- /* check the bus name */
- if (strncmp(d, p->bus, n))
- return 0;
- /* skip the bus number */
- if (isdigit(d[n]))
- n++;
- /* the rest must be exact matching */
- snprintf(tmp, sizeof(tmp), "-%s:00-cs35l41-hda.%d", p->hid, p->index);
- return !strcmp(d + n, tmp);
-}
-
-static int comp_match_tas2781_dev_name(struct device *dev,
- void *data)
-{
- struct scodec_dev_name *p = data;
- const char *d = dev_name(dev);
- int n = strlen(p->bus);
- char tmp[32];
-
- /* check the bus name */
- if (strncmp(d, p->bus, n))
- return 0;
- /* skip the bus number */
- if (isdigit(d[n]))
- n++;
- /* the rest must be exact matching */
- snprintf(tmp, sizeof(tmp), "-%s:00", p->hid);
-
- return !strcmp(d + n, tmp);
-}
-
-static void cs35l41_generic_fixup(struct hda_codec *cdc, int action, const char *bus,
- const char *hid, int count)
-{
- struct device *dev = hda_codec_dev(cdc);
- struct alc_spec *spec = cdc->spec;
- struct scodec_dev_name *rec;
- int ret, i;
- switch (action) {
- case HDA_FIXUP_ACT_PRE_PROBE:
- for (i = 0; i < count; i++) {
- rec = devm_kmalloc(dev, sizeof(*rec), GFP_KERNEL);
- if (!rec)
- return;
- rec->bus = bus;
- rec->hid = hid;
- rec->index = i;
- spec->comps[i].codec = cdc;
- component_match_add(dev, &spec->match,
- comp_match_cs35l41_dev_name, rec);
- }
- ret = component_master_add_with_match(dev, &comp_master_ops, spec->match);
- if (ret)
- codec_err(cdc, "Fail to register component aggregator %d\n", ret);
- else
- spec->gen.pcm_playback_hook = comp_generic_playback_hook;
- break;
- case HDA_FIXUP_ACT_FREE:
- component_master_del(dev, &comp_master_ops);
- break;
- }
+ hda_component_manager_playback_hook(spec->comps, ARRAY_SIZE(spec->comps), action);
}
-static void tas2781_generic_fixup(struct hda_codec *cdc, int action,
- const char *bus, const char *hid)
+static void comp_generic_fixup(struct hda_codec *cdc, int action, const char *bus,
+ const char *hid, const char *match_str, int count)
{
- struct device *dev = hda_codec_dev(cdc);
struct alc_spec *spec = cdc->spec;
- struct scodec_dev_name *rec;
int ret;
switch (action) {
case HDA_FIXUP_ACT_PRE_PROBE:
- rec = devm_kmalloc(dev, sizeof(*rec), GFP_KERNEL);
- if (!rec)
- return;
- rec->bus = bus;
- rec->hid = hid;
- rec->index = 0;
- spec->comps[0].codec = cdc;
- component_match_add(dev, &spec->match,
- comp_match_tas2781_dev_name, rec);
- ret = component_master_add_with_match(dev, &comp_master_ops,
- spec->match);
+ ret = hda_component_manager_init(cdc, spec->comps, count, bus, hid,
+ match_str, &comp_master_ops);
if (ret)
- codec_err(cdc,
- "Fail to register component aggregator %d\n",
- ret);
- else
- spec->gen.pcm_playback_hook =
- comp_generic_playback_hook;
+ return;
+
+ spec->gen.pcm_playback_hook = comp_generic_playback_hook;
break;
case HDA_FIXUP_ACT_FREE:
- component_master_del(dev, &comp_master_ops);
+ hda_component_manager_free(cdc, &comp_master_ops);
break;
}
}
static void cs35l41_fixup_i2c_two(struct hda_codec *cdc, const struct hda_fixup *fix, int action)
{
- cs35l41_generic_fixup(cdc, action, "i2c", "CSC3551", 2);
+ comp_generic_fixup(cdc, action, "i2c", "CSC3551", "-%s:00-cs35l41-hda.%d", 2);
}
static void cs35l41_fixup_i2c_four(struct hda_codec *cdc, const struct hda_fixup *fix, int action)
{
- cs35l41_generic_fixup(cdc, action, "i2c", "CSC3551", 4);
+ comp_generic_fixup(cdc, action, "i2c", "CSC3551", "-%s:00-cs35l41-hda.%d", 4);
}
static void cs35l41_fixup_spi_two(struct hda_codec *codec, const struct hda_fixup *fix, int action)
{
- cs35l41_generic_fixup(codec, action, "spi", "CSC3551", 2);
+ comp_generic_fixup(codec, action, "spi", "CSC3551", "-%s:00-cs35l41-hda.%d", 2);
}
static void cs35l41_fixup_spi_four(struct hda_codec *codec, const struct hda_fixup *fix, int action)
{
- cs35l41_generic_fixup(codec, action, "spi", "CSC3551", 4);
+ comp_generic_fixup(codec, action, "spi", "CSC3551", "-%s:00-cs35l41-hda.%d", 4);
}
static void alc287_fixup_legion_16achg6_speakers(struct hda_codec *cdc, const struct hda_fixup *fix,
int action)
{
- cs35l41_generic_fixup(cdc, action, "i2c", "CLSA0100", 2);
+ comp_generic_fixup(cdc, action, "i2c", "CLSA0100", "-%s:00-cs35l41-hda.%d", 2);
}
static void alc287_fixup_legion_16ithg6_speakers(struct hda_codec *cdc, const struct hda_fixup *fix,
int action)
{
- cs35l41_generic_fixup(cdc, action, "i2c", "CLSA0101", 2);
+ comp_generic_fixup(cdc, action, "i2c", "CLSA0101", "-%s:00-cs35l41-hda.%d", 2);
+}
+
+static void cs35l56_fixup_spi_four(struct hda_codec *cdc, const struct hda_fixup *fix, int action)
+{
+ comp_generic_fixup(cdc, action, "spi", "CSC3556", "-%s:00-cs35l56-hda.%d", 4);
}
static void tas2781_fixup_i2c(struct hda_codec *cdc,
const struct hda_fixup *fix, int action)
{
- tas2781_generic_fixup(cdc, action, "i2c", "TIAS2781");
+ comp_generic_fixup(cdc, action, "i2c", "TIAS2781", "-%s:00", 1);
}
static void yoga7_14arb7_fixup_i2c(struct hda_codec *cdc,
const struct hda_fixup *fix, int action)
{
- tas2781_generic_fixup(cdc, action, "i2c", "INT8866");
+ comp_generic_fixup(cdc, action, "i2c", "INT8866", "-%s:00", 1);
+}
+
+static void alc256_fixup_acer_sfg16_micmute_led(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ alc_fixup_hp_gpio_led(codec, action, 0, 0x04);
}
+
/* for alc295_fixup_hp_top_speakers */
#include "hp_x360_helper.c"
}
}
+static void alc256_decrease_headphone_amp_val(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ u32 caps;
+ u8 nsteps, offs;
+
+ if (action != HDA_FIXUP_ACT_PRE_PROBE)
+ return;
+
+ caps = query_amp_caps(codec, 0x3, HDA_OUTPUT);
+ nsteps = ((caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT) - 10;
+ offs = ((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT) - 10;
+ caps &= ~AC_AMPCAP_NUM_STEPS & ~AC_AMPCAP_OFFSET;
+ caps |= (nsteps << AC_AMPCAP_NUM_STEPS_SHIFT) | (offs << AC_AMPCAP_OFFSET_SHIFT);
+
+ if (snd_hda_override_amp_caps(codec, 0x3, HDA_OUTPUT, caps))
+ codec_warn(codec, "failed to override amp caps for NID 0x3\n");
+}
+
static void alc_fixup_dell4_mic_no_presence_quiet(struct hda_codec *codec,
const struct hda_fixup *fix,
int action)
}
}
+static void alc245_fixup_hp_spectre_x360_eu0xxx(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ /*
+ * The Pin Complex 0x14 for the treble speakers is wrongly reported as
+ * unconnected.
+ * The Pin Complex 0x17 for the bass speakers has the lowest association
+ * and sequence values so shift it up a bit to squeeze 0x14 in.
+ */
+ static const struct hda_pintbl pincfgs[] = {
+ { 0x14, 0x90170110 }, // top/treble
+ { 0x17, 0x90170111 }, // bottom/bass
+ { }
+ };
+
+ /*
+ * Force DAC 0x02 for the bass speakers 0x17.
+ */
+ static const hda_nid_t conn[] = { 0x02 };
+
+ switch (action) {
+ case HDA_FIXUP_ACT_PRE_PROBE:
+ snd_hda_apply_pincfgs(codec, pincfgs);
+ snd_hda_override_conn_list(codec, 0x17, ARRAY_SIZE(conn), conn);
+ break;
+ }
+
+ cs35l41_fixup_i2c_two(codec, fix, action);
+ alc245_fixup_hp_mute_led_coefbit(codec, fix, action);
+ alc245_fixup_hp_gpio_led(codec, fix, action);
+}
+
enum {
ALC269_FIXUP_GPIO2,
ALC280_FIXUP_HP_9480M,
ALC245_FIXUP_HP_X360_AMP,
ALC285_FIXUP_HP_SPECTRE_X360_EB1,
+ ALC285_FIXUP_HP_ENVY_X360,
ALC288_FIXUP_DELL_HEADSET_MODE,
ALC288_FIXUP_DELL1_MIC_NO_PRESENCE,
ALC288_FIXUP_DELL_XPS_13,
ALC287_FIXUP_LEGION_16ITHG6,
ALC287_FIXUP_YOGA9_14IAP7_BASS_SPK,
ALC287_FIXUP_YOGA9_14IAP7_BASS_SPK_PIN,
+ ALC287_FIXUP_YOGA9_14IMH9_BASS_SPK_PIN,
ALC295_FIXUP_DELL_INSPIRON_TOP_SPEAKERS,
ALC236_FIXUP_DELL_DUAL_CODECS,
ALC287_FIXUP_CS35L41_I2C_2_THINKPAD_ACPI,
ALC2XX_FIXUP_HEADSET_MIC,
ALC289_FIXUP_DELL_CS35L41_SPI_2,
ALC294_FIXUP_CS35L41_I2C_2,
+ ALC245_FIXUP_CS35L56_SPI_4_HP_GPIO_LED,
+ ALC256_FIXUP_ACER_SFG16_MICMUTE_LED,
+ ALC256_FIXUP_HEADPHONE_AMP_VOL,
+ ALC245_FIXUP_HP_SPECTRE_X360_EU0XXX,
};
/* A special fixup for Lenovo C940 and Yoga Duet 7;
.type = HDA_FIXUP_FUNC,
.v.func = alc285_fixup_hp_spectre_x360_eb1
},
+ [ALC285_FIXUP_HP_ENVY_X360] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc285_fixup_hp_envy_x360,
+ .chained = true,
+ .chain_id = ALC285_FIXUP_HP_GPIO_AMP_INIT,
+ },
[ALC287_FIXUP_IDEAPAD_BASS_SPK_AMP] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc285_fixup_ideapad_s740_coef,
.chained = true,
.chain_id = ALC287_FIXUP_YOGA9_14IAP7_BASS_SPK,
},
+ [ALC287_FIXUP_YOGA9_14IMH9_BASS_SPK_PIN] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc287_fixup_yoga9_14iap7_bass_spk_pin,
+ .chained = true,
+ .chain_id = ALC287_FIXUP_CS35L41_I2C_2,
+ },
[ALC295_FIXUP_DELL_INSPIRON_TOP_SPEAKERS] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc295_fixup_dell_inspiron_top_speakers,
.type = HDA_FIXUP_FUNC,
.v.func = cs35l41_fixup_i2c_two,
},
+ [ALC245_FIXUP_CS35L56_SPI_4_HP_GPIO_LED] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = cs35l56_fixup_spi_four,
+ .chained = true,
+ .chain_id = ALC285_FIXUP_HP_GPIO_LED,
+ },
+ [ALC256_FIXUP_ACER_SFG16_MICMUTE_LED] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc256_fixup_acer_sfg16_micmute_led,
+ },
+ [ALC256_FIXUP_HEADPHONE_AMP_VOL] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc256_decrease_headphone_amp_val,
+ },
+ [ALC245_FIXUP_HP_SPECTRE_X360_EU0XXX] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc245_fixup_hp_spectre_x360_eu0xxx,
+ },
};
static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1025, 0x1430, "Acer TravelMate B311R-31", ALC256_FIXUP_ACER_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1025, 0x1466, "Acer Aspire A515-56", ALC255_FIXUP_ACER_HEADPHONE_AND_MIC),
SND_PCI_QUIRK(0x1025, 0x1534, "Acer Predator PH315-54", ALC255_FIXUP_ACER_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1025, 0x169a, "Acer Swift SFG16", ALC256_FIXUP_ACER_SFG16_MICMUTE_LED),
SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z),
SND_PCI_QUIRK(0x1028, 0x053c, "Dell Latitude E5430", ALC292_FIXUP_DELL_E7X),
SND_PCI_QUIRK(0x1028, 0x054b, "Dell XPS one 2710", ALC275_FIXUP_DELL_XPS),
SND_PCI_QUIRK(0x103c, 0x84e7, "HP Pavilion 15", ALC269_FIXUP_HP_MUTE_LED_MIC3),
SND_PCI_QUIRK(0x103c, 0x8519, "HP Spectre x360 15-df0xxx", ALC285_FIXUP_HP_SPECTRE_X360),
SND_PCI_QUIRK(0x103c, 0x8537, "HP ProBook 440 G6", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF),
+ SND_PCI_QUIRK(0x103c, 0x85de, "HP Envy x360 13-ar0xxx", ALC285_FIXUP_HP_ENVY_X360),
SND_PCI_QUIRK(0x103c, 0x860f, "HP ZBook 15 G6", ALC285_FIXUP_HP_GPIO_AMP_INIT),
SND_PCI_QUIRK(0x103c, 0x861f, "HP Elite Dragonfly G1", ALC285_FIXUP_HP_GPIO_AMP_INIT),
SND_PCI_QUIRK(0x103c, 0x869d, "HP", ALC236_FIXUP_HP_MUTE_LED),
SND_PCI_QUIRK(0x103c, 0x89c6, "Zbook Fury 17 G9", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x89ca, "HP", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF),
SND_PCI_QUIRK(0x103c, 0x89d3, "HP EliteBook 645 G9 (MB 89D2)", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF),
+ SND_PCI_QUIRK(0x103c, 0x89e7, "HP Elite x2 G9", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8a0f, "HP Pavilion 14-ec1xxx", ALC287_FIXUP_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8a20, "HP Laptop 15s-fq5xxx", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2),
SND_PCI_QUIRK(0x103c, 0x8a25, "HP Victus 16-d1xxx (MB 8A25)", ALC245_FIXUP_HP_MUTE_LED_COEFBIT),
+ SND_PCI_QUIRK(0x103c, 0x8a28, "HP Envy 13", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8a29, "HP Envy 15", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8a2a, "HP Envy 15", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8a2b, "HP Envy 15", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8a2c, "HP Envy 16", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8a2d, "HP Envy 16", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8a2e, "HP Envy 16", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8a2e, "HP Envy 17", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8a30, "HP Envy 17", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8a31, "HP Envy 15", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8a6e, "HP EDNA 360", ALC287_FIXUP_CS35L41_I2C_4),
+ SND_PCI_QUIRK(0x103c, 0x8a74, "HP ProBook 440 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8a78, "HP Dev One", ALC285_FIXUP_HP_LIMIT_INT_MIC_BOOST),
SND_PCI_QUIRK(0x103c, 0x8aa0, "HP ProBook 440 G9 (MB 8A9E)", ALC236_FIXUP_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8aa3, "HP ProBook 450 G9 (MB 8AA1)", ALC236_FIXUP_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8abb, "HP ZBook Firefly 14 G9", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8ad1, "HP EliteBook 840 14 inch G9 Notebook PC", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8ad2, "HP EliteBook 860 16 inch G9 Notebook PC", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
+ SND_PCI_QUIRK(0x103c, 0x8ad8, "HP 800 G9", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8b0f, "HP Elite mt645 G7 Mobile Thin Client U81", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF),
SND_PCI_QUIRK(0x103c, 0x8b2f, "HP 255 15.6 inch G10 Notebook PC", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2),
+ SND_PCI_QUIRK(0x103c, 0x8b3a, "HP Envy 15", ALC287_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x103c, 0x8b3f, "HP mt440 Mobile Thin Client U91", ALC236_FIXUP_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8b42, "HP", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8b43, "HP", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8b92, "HP", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8b96, "HP", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF),
SND_PCI_QUIRK(0x103c, 0x8b97, "HP", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF),
+ SND_PCI_QUIRK(0x103c, 0x8bdd, "HP Envy 17", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8bde, "HP Envy 17", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8bdf, "HP Envy 15", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8be0, "HP Envy 15", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8be1, "HP Envy 15", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8be2, "HP Envy 15", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8be3, "HP Envy 15", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8be5, "HP Envy 16", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8be6, "HP Envy 16", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8be7, "HP Envy 17", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8be8, "HP Envy 17", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8be9, "HP Envy 15", ALC287_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x103c, 0x8bf0, "HP", ALC236_FIXUP_HP_GPIO_LED),
+ SND_PCI_QUIRK(0x103c, 0x8c15, "HP Spectre x360 2-in-1 Laptop 14-eu0xxx", ALC245_FIXUP_HP_SPECTRE_X360_EU0XXX),
+ SND_PCI_QUIRK(0x103c, 0x8c16, "HP Spectre 16", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8c17, "HP Spectre 16", ALC287_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x103c, 0x8c46, "HP EliteBook 830 G11", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8c47, "HP EliteBook 840 G11", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8c48, "HP EliteBook 860 G11", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8c49, "HP Elite x360 830 2-in-1 G11", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
+ SND_PCI_QUIRK(0x103c, 0x8c4f, "HP Envy 15", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8c50, "HP Envy 17", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8c51, "HP Envy 17", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8c52, "HP EliteBook 1040 G11", ALC245_FIXUP_CS35L56_SPI_4_HP_GPIO_LED),
+ SND_PCI_QUIRK(0x103c, 0x8c53, "HP Elite x360 1040 2-in-1 G11", ALC245_FIXUP_CS35L56_SPI_4_HP_GPIO_LED),
+ SND_PCI_QUIRK(0x103c, 0x8c66, "HP Envy 16", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8c67, "HP Envy 17", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8c68, "HP Envy 17", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8c6a, "HP Envy 16", ALC287_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x103c, 0x8c70, "HP EliteBook 835 G11", ALC287_FIXUP_CS35L41_I2C_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8c71, "HP EliteBook 845 G11", ALC287_FIXUP_CS35L41_I2C_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8c72, "HP EliteBook 865 G11", ALC287_FIXUP_CS35L41_I2C_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8ca2, "HP ZBook Power", ALC236_FIXUP_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8ca4, "HP ZBook Fury", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8ca7, "HP ZBook Fury", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
+ SND_PCI_QUIRK(0x103c, 0x8cdd, "HP Spectre", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8cde, "HP Spectre", ALC287_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x103c, 0x8cf5, "HP ZBook Studio 16", ALC245_FIXUP_CS35L41_SPI_4_HP_GPIO_LED),
SND_PCI_QUIRK(0x1043, 0x103e, "ASUS X540SA", ALC256_FIXUP_ASUS_MIC),
SND_PCI_QUIRK(0x1043, 0x103f, "ASUS TX300", ALC282_FIXUP_ASUS_TX300),
SND_PCI_QUIRK(0x10ec, 0x1252, "Intel Reference board", ALC295_FIXUP_CHROME_BOOK),
SND_PCI_QUIRK(0x10ec, 0x1254, "Intel Reference board", ALC295_FIXUP_CHROME_BOOK),
SND_PCI_QUIRK(0x10ec, 0x12cc, "Intel Reference board", ALC295_FIXUP_CHROME_BOOK),
+ SND_PCI_QUIRK(0x10ec, 0x12f6, "Intel Reference board", ALC295_FIXUP_CHROME_BOOK),
SND_PCI_QUIRK(0x10f7, 0x8338, "Panasonic CF-SZ6", ALC269_FIXUP_HEADSET_MODE),
SND_PCI_QUIRK(0x144d, 0xc109, "Samsung Ativ book 9 (NP900X3G)", ALC269_FIXUP_INV_DMIC),
SND_PCI_QUIRK(0x144d, 0xc169, "Samsung Notebook 9 Pen (NP930SBE-K01US)", ALC298_FIXUP_SAMSUNG_AMP),
SND_PCI_QUIRK(0x1462, 0xb120, "MSI Cubi MS-B120", ALC283_FIXUP_HEADSET_MIC),
SND_PCI_QUIRK(0x1462, 0xb171, "Cubi N 8GL (MS-B171)", ALC283_FIXUP_HEADSET_MIC),
SND_PCI_QUIRK(0x152d, 0x1082, "Quanta NL3", ALC269_FIXUP_LIFEBOOK),
+ SND_PCI_QUIRK(0x1558, 0x0353, "Clevo V35[05]SN[CDE]Q", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x1323, "Clevo N130ZU", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x1325, "Clevo N15[01][CW]U", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x1401, "Clevo L140[CZ]U", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x1403, "Clevo N140CU", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x1404, "Clevo N150CU", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x14a1, "Clevo L141MU", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1558, 0x2624, "Clevo L240TU", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x4018, "Clevo NV40M[BE]", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x4019, "Clevo NV40MZ", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x4020, "Clevo NV40MB", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x17aa, 0x38c3, "Y980 DUAL", ALC287_FIXUP_TAS2781_I2C),
SND_PCI_QUIRK(0x17aa, 0x38cb, "Y790 YG DUAL", ALC287_FIXUP_TAS2781_I2C),
SND_PCI_QUIRK(0x17aa, 0x38cd, "Y790 VECO DUAL", ALC287_FIXUP_TAS2781_I2C),
+ SND_PCI_QUIRK(0x17aa, 0x38d2, "Lenovo Yoga 9 14IMH9", ALC287_FIXUP_YOGA9_14IMH9_BASS_SPK_PIN),
+ SND_PCI_QUIRK(0x17aa, 0x38d7, "Lenovo Yoga 9 14IMH9", ALC287_FIXUP_YOGA9_14IMH9_BASS_SPK_PIN),
SND_PCI_QUIRK(0x17aa, 0x3902, "Lenovo E50-80", ALC269_FIXUP_DMIC_THINKPAD_ACPI),
SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC),
SND_PCI_QUIRK(0x17aa, 0x3978, "Lenovo B50-70", ALC269_FIXUP_DMIC_THINKPAD_ACPI),
SND_PCI_QUIRK(0x17aa, 0x9e56, "Lenovo ZhaoYang CF4620Z", ALC286_FIXUP_SONY_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1849, 0x1233, "ASRock NUC Box 1100", ALC233_FIXUP_NO_AUDIO_JACK),
SND_PCI_QUIRK(0x1849, 0xa233, "Positivo Master C6300", ALC269_FIXUP_HEADSET_MIC),
+ SND_PCI_QUIRK(0x1854, 0x0440, "LG CQ6", ALC256_FIXUP_HEADPHONE_AMP_VOL),
+ SND_PCI_QUIRK(0x1854, 0x0441, "LG CQ6 AIO", ALC256_FIXUP_HEADPHONE_AMP_VOL),
SND_PCI_QUIRK(0x19e5, 0x3204, "Huawei MACH-WX9", ALC256_FIXUP_HUAWEI_MACH_WX9_PINS),
SND_PCI_QUIRK(0x19e5, 0x320f, "Huawei WRT-WX9 ", ALC256_FIXUP_ASUS_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1b35, 0x1235, "CZC B20", ALC269_FIXUP_CZC_B20),
{.id = ALC295_FIXUP_HP_OMEN, .name = "alc295-hp-omen"},
{.id = ALC285_FIXUP_HP_SPECTRE_X360, .name = "alc285-hp-spectre-x360"},
{.id = ALC285_FIXUP_HP_SPECTRE_X360_EB1, .name = "alc285-hp-spectre-x360-eb1"},
+ {.id = ALC285_FIXUP_HP_ENVY_X360, .name = "alc285-hp-envy-x360"},
{.id = ALC287_FIXUP_IDEAPAD_BASS_SPK_AMP, .name = "alc287-ideapad-bass-spk-amp"},
{.id = ALC287_FIXUP_YOGA9_14IAP7_BASS_SPK_PIN, .name = "alc287-yoga9-bass-spk-pin"},
{.id = ALC623_FIXUP_LENOVO_THINKSTATION_P340, .name = "alc623-lenovo-thinkstation-p340"},
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Realtek HD-audio codec");
+MODULE_IMPORT_NS(SND_HDA_SCODEC_COMPONENT);
static struct hda_codec_driver realtek_driver = {
.id = snd_hda_id_realtek,
pm_runtime_get_sync(dev);
mutex_lock(&tas_hda->priv->codec_lock);
tasdevice_tuning_switch(tas_hda->priv, 0);
+ tas_hda->priv->playback_started = true;
mutex_unlock(&tas_hda->priv->codec_lock);
break;
case HDA_GEN_PCM_ACT_CLOSE:
mutex_lock(&tas_hda->priv->codec_lock);
tasdevice_tuning_switch(tas_hda->priv, 1);
+ tas_hda->priv->playback_started = false;
mutex_unlock(&tas_hda->priv->codec_lock);
pm_runtime_mark_last_busy(dev);
tasdevice_save_calibration(tas_priv);
tasdevice_tuning_switch(tas_hda->priv, 0);
+ tas_hda->priv->playback_started = true;
out:
mutex_unlock(&tas_hda->priv->codec_lock);
pm_runtime_use_autosuspend(tas_hda->dev);
pm_runtime_mark_last_busy(tas_hda->dev);
pm_runtime_set_active(tas_hda->dev);
- pm_runtime_get_noresume(tas_hda->dev);
pm_runtime_enable(tas_hda->dev);
- pm_runtime_put_autosuspend(tas_hda->dev);
-
tas2781_reset(tas_hda->priv);
ret = component_add(tas_hda->dev, &tas2781_hda_comp_ops);
static int tas2781_runtime_suspend(struct device *dev)
{
struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
- int i;
dev_dbg(tas_hda->dev, "Runtime Suspend\n");
mutex_lock(&tas_hda->priv->codec_lock);
+ /* The driver powers up the amplifiers at module load time.
+ * Stop the playback if it's unused.
+ */
if (tas_hda->priv->playback_started) {
tasdevice_tuning_switch(tas_hda->priv, 1);
tas_hda->priv->playback_started = false;
}
- for (i = 0; i < tas_hda->priv->ndev; i++) {
- tas_hda->priv->tasdevice[i].cur_book = -1;
- tas_hda->priv->tasdevice[i].cur_prog = -1;
- tas_hda->priv->tasdevice[i].cur_conf = -1;
- }
-
mutex_unlock(&tas_hda->priv->codec_lock);
return 0;
static int tas2781_system_suspend(struct device *dev)
{
struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
- int ret;
dev_dbg(tas_hda->priv->dev, "System Suspend\n");
- ret = pm_runtime_force_suspend(dev);
- if (ret)
- return ret;
+ mutex_lock(&tas_hda->priv->codec_lock);
/* Shutdown chip before system suspend */
- tasdevice_tuning_switch(tas_hda->priv, 1);
+ if (tas_hda->priv->playback_started)
+ tasdevice_tuning_switch(tas_hda->priv, 1);
+
+ mutex_unlock(&tas_hda->priv->codec_lock);
/*
* Reset GPIO may be shared, so cannot reset here.
static int tas2781_system_resume(struct device *dev)
{
struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
- int i, ret;
-
- dev_info(tas_hda->priv->dev, "System Resume\n");
+ int i;
- ret = pm_runtime_force_resume(dev);
- if (ret)
- return ret;
+ dev_dbg(tas_hda->priv->dev, "System Resume\n");
mutex_lock(&tas_hda->priv->codec_lock);
* calibrated data inside algo.
*/
tasdevice_apply_calibration(tas_hda->priv);
+
+ if (tas_hda->priv->playback_started)
+ tasdevice_tuning_switch(tas_hda->priv, 0);
+
mutex_unlock(&tas_hda->priv->codec_lock);
return 0;
free_irq(chip->irq, chip);
}
-#ifdef CONFIG_PM_SLEEP
/*
* power management
*/
return 0;
}
-static SIMPLE_DEV_PM_OPS(intel8x0_pm, intel8x0_suspend, intel8x0_resume);
-#define INTEL8X0_PM_OPS &intel8x0_pm
-#else
-#define INTEL8X0_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(intel8x0_pm, intel8x0_suspend, intel8x0_resume);
#define INTEL8X0_TESTBUF_SIZE 32768 /* enough large for one shot */
.id_table = snd_intel8x0_ids,
.probe = snd_intel8x0_probe,
.driver = {
- .pm = INTEL8X0_PM_OPS,
+ .pm = &intel8x0_pm,
},
};
free_irq(chip->irq, chip);
}
-#ifdef CONFIG_PM_SLEEP
/*
* power management
*/
return 0;
}
-static SIMPLE_DEV_PM_OPS(intel8x0m_pm, intel8x0m_suspend, intel8x0m_resume);
-#define INTEL8X0M_PM_OPS &intel8x0m_pm
-#else
-#define INTEL8X0M_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(intel8x0m_pm, intel8x0m_suspend, intel8x0m_resume);
static void snd_intel8x0m_proc_read(struct snd_info_entry * entry,
struct snd_info_buffer *buffer)
.id_table = snd_intel8x0m_ids,
.probe = snd_intel8x0m_probe,
.driver = {
- .pm = INTEL8X0M_PM_OPS,
+ .pm = &intel8x0m_pm,
},
};
unsigned int in_suspend;
-#ifdef CONFIG_PM_SLEEP
u16 *suspend_mem;
-#endif
const struct firmware *assp_kernel_image;
const struct firmware *assp_minisrc_image;
outw(0, chip->iobase + HOST_INT_CTRL); /* disable ints */
}
-#ifdef CONFIG_PM_SLEEP
vfree(chip->suspend_mem);
-#endif
release_firmware(chip->assp_kernel_image);
release_firmware(chip->assp_minisrc_image);
}
/*
* APM support
*/
-#ifdef CONFIG_PM_SLEEP
static int m3_suspend(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
return 0;
}
-static SIMPLE_DEV_PM_OPS(m3_pm, m3_suspend, m3_resume);
-#define M3_PM_OPS &m3_pm
-#else
-#define M3_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(m3_pm, m3_suspend, m3_resume);
#ifdef CONFIG_SND_MAESTRO3_INPUT
static int snd_m3_input_register(struct snd_m3 *chip)
chip->irq = pci->irq;
card->sync_irq = chip->irq;
-#ifdef CONFIG_PM_SLEEP
- chip->suspend_mem =
- vmalloc(array_size(sizeof(u16),
- REV_B_CODE_MEMORY_LENGTH +
- REV_B_DATA_MEMORY_LENGTH));
- if (chip->suspend_mem == NULL)
- dev_warn(card->dev, "can't allocate apm buffer\n");
-#endif
+ if (IS_ENABLED(CONFIG_PM_SLEEP)) {
+ chip->suspend_mem =
+ vmalloc(array_size(sizeof(u16),
+ REV_B_CODE_MEMORY_LENGTH +
+ REV_B_DATA_MEMORY_LENGTH));
+ if (!chip->suspend_mem)
+ dev_warn(card->dev, "can't allocate apm buffer\n");
+ }
err = snd_m3_mixer(chip);
if (err < 0)
.id_table = snd_m3_ids,
.probe = snd_m3_probe,
.driver = {
- .pm = M3_PM_OPS,
+ .pm = &m3_pm,
},
};
return 0;
}
-#ifdef CONFIG_PM_SLEEP
/*
* APM event handler, so the card is properly reinitialized after a power
* event.
return 0;
}
-static SIMPLE_DEV_PM_OPS(nm256_pm, nm256_suspend, nm256_resume);
-#define NM256_PM_OPS &nm256_pm
-#else
-#define NM256_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(nm256_pm, nm256_suspend, nm256_resume);
static void snd_nm256_free(struct snd_card *card)
{
.id_table = snd_nm256_ids,
.probe = snd_nm256_probe,
.driver = {
- .pm = NM256_PM_OPS,
+ .pm = &nm256_pm,
},
};
unsigned long received_irqs;
unsigned long handled_irqs;
-#ifdef CONFIG_PM_SLEEP
int in_suspend;
-#endif
};
struct sgd { /* scatter gather desriptor */
return IRQ_HANDLED;
}
-#ifdef CONFIG_PM_SLEEP
static int riptide_suspend(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
return 0;
}
-static SIMPLE_DEV_PM_OPS(riptide_pm, riptide_suspend, riptide_resume);
-#define RIPTIDE_PM_OPS &riptide_pm
-#else
-#define RIPTIDE_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(riptide_pm, riptide_suspend, riptide_resume);
static int try_to_load_firmware(struct cmdif *cif, struct snd_riptide *chip)
{
.id_table = snd_riptide_ids,
.probe = snd_card_riptide_probe,
.driver = {
- .pm = RIPTIDE_PM_OPS,
+ .pm = &riptide_pm,
},
};
u8 rev; /* card revision number */
-#ifdef CONFIG_PM_SLEEP
u32 playback_pointer;
u32 capture_pointer;
void *playback_suspend_buffer;
void *capture_suspend_buffer;
-#endif
struct snd_pcm_substream *playback_substream;
struct snd_pcm_substream *capture_substream;
rme96->areg &= ~RME96_AR_DAC_EN;
writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
}
-#ifdef CONFIG_PM_SLEEP
vfree(rme96->playback_suspend_buffer);
vfree(rme96->capture_suspend_buffer);
-#endif
}
static void
* Card initialisation
*/
-#ifdef CONFIG_PM_SLEEP
-
static int rme96_suspend(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
return 0;
}
-static SIMPLE_DEV_PM_OPS(rme96_pm, rme96_suspend, rme96_resume);
-#define RME96_PM_OPS &rme96_pm
-#else
-#define RME96_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(rme96_pm, rme96_suspend, rme96_resume);
static void snd_rme96_card_free(struct snd_card *card)
{
if (err)
return err;
-#ifdef CONFIG_PM_SLEEP
- rme96->playback_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
- if (!rme96->playback_suspend_buffer)
- return -ENOMEM;
- rme96->capture_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
- if (!rme96->capture_suspend_buffer)
- return -ENOMEM;
-#endif
+ if (IS_ENABLED(CONFIG_PM_SLEEP)) {
+ rme96->playback_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
+ if (!rme96->playback_suspend_buffer)
+ return -ENOMEM;
+ rme96->capture_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
+ if (!rme96->capture_suspend_buffer)
+ return -ENOMEM;
+ }
strcpy(card->driver, "Digi96");
switch (rme96->pci->device) {
.id_table = snd_rme96_ids,
.probe = snd_rme96_probe,
.driver = {
- .pm = RME96_PM_OPS,
+ .pm = &rme96_pm,
},
};
* we're not doing power management, we still need to allocate a page
* for the silence buffer.
*/
-#ifdef CONFIG_PM_SLEEP
#define SIS_SUSPEND_PAGES 4
-#else
-#define SIS_SUSPEND_PAGES 1
-#endif
struct sis7019 {
unsigned long ioport;
return 0;
}
-#ifdef CONFIG_PM_SLEEP
static int sis_suspend(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
return -EIO;
}
-static SIMPLE_DEV_PM_OPS(sis_pm, sis_suspend, sis_resume);
-#define SIS_PM_OPS &sis_pm
-#else
-#define SIS_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(sis_pm, sis_suspend, sis_resume);
static int sis_alloc_suspend(struct sis7019 *sis)
{
.id_table = snd_sis7019_ids,
.probe = snd_sis7019_probe,
.driver = {
- .pm = SIS_PM_OPS,
+ .pm = &sis_pm,
},
};
unsigned char old_legacy;
unsigned char old_legacy_cfg;
-#ifdef CONFIG_PM_SLEEP
unsigned char legacy_saved;
unsigned char legacy_cfg_saved;
unsigned char spdif_ctrl_saved;
unsigned char capture_src_saved[2];
unsigned int mpu_port_saved;
-#endif
unsigned char playback_volume[4][2]; /* for VIA8233/C/8235; default = 0 */
unsigned char playback_volume_c[2]; /* for VIA8233/C/8235; default = 0 */
if (mpu_port >= 0x200) { /* force MIDI */
mpu_port &= 0xfffc;
pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01);
-#ifdef CONFIG_PM_SLEEP
chip->mpu_port_saved = mpu_port;
-#endif
} else {
mpu_port = pci_resource_start(chip->pci, 2);
}
snd_via686_create_gameport(chip, &legacy);
-#ifdef CONFIG_PM_SLEEP
chip->legacy_saved = legacy;
chip->legacy_cfg_saved = legacy_cfg;
-#endif
return 0;
}
return 0;
}
-#ifdef CONFIG_PM_SLEEP
/*
* power management
*/
return 0;
}
-static SIMPLE_DEV_PM_OPS(snd_via82xx_pm, snd_via82xx_suspend, snd_via82xx_resume);
-#define SND_VIA82XX_PM_OPS &snd_via82xx_pm
-#else
-#define SND_VIA82XX_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(snd_via82xx_pm, snd_via82xx_suspend, snd_via82xx_resume);
static void snd_via82xx_free(struct snd_card *card)
{
.id_table = snd_via82xx_ids,
.probe = snd_via82xx_probe,
.driver = {
- .pm = SND_VIA82XX_PM_OPS,
+ .pm = &snd_via82xx_pm,
},
};
return 0;
}
-#ifdef CONFIG_PM_SLEEP
/*
* power management
*/
return 0;
}
-static SIMPLE_DEV_PM_OPS(snd_via82xx_pm, snd_via82xx_suspend, snd_via82xx_resume);
-#define SND_VIA82XX_PM_OPS &snd_via82xx_pm
-#else
-#define SND_VIA82XX_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(snd_via82xx_pm, snd_via82xx_suspend, snd_via82xx_resume);
static void snd_via82xx_free(struct snd_card *card)
{
.id_table = snd_via82xx_modem_ids,
.probe = snd_via82xx_probe,
.driver = {
- .pm = SND_VIA82XX_PM_OPS,
+ .pm = &snd_via82xx_pm,
},
};
dev_dbg(cs35l56->base.dev, "%s: sclk=%u c=%u r=%u\n",
__func__, sclk, params->col, params->row);
- if (cs35l56->base.rev < 0xb0)
+ if ((cs35l56->base.type == 0x56) && (cs35l56->base.rev < 0xb0))
return cs35l56_a1_kick_divider(cs35l56, peripheral);
return 0;
static const struct sdw_device_id cs35l56_sdw_id[] = {
SDW_SLAVE_ENTRY(0x01FA, 0x3556, 0),
+ SDW_SLAVE_ENTRY(0x01FA, 0x3557, 0),
{},
};
MODULE_DEVICE_TABLE(sdw, cs35l56_sdw_id);
devid &= CS35L56_DEVID_MASK;
switch (devid) {
+ case 0x35A54:
case 0x35A56:
+ case 0x35A57:
break;
default:
dev_err(cs35l56_base->dev, "Unknown device %x\n", devid);
return ret;
}
+ cs35l56_base->type = devid & 0xFF;
+
ret = regmap_read(cs35l56_base->regmap, CS35L56_DSP_RESTRICT_STS1, &secured);
if (ret) {
dev_err(cs35l56_base->dev, "Get Secure status failed\n");
if (ret)
return ret;
- dev_info(cs35l56_base->dev, "Cirrus Logic CS35L56%s Rev %02X OTP%d fw:%d.%d.%d (patched=%u)\n",
- cs35l56_base->secured ? "s" : "", cs35l56_base->rev, otpid,
+ dev_info(cs35l56_base->dev, "Cirrus Logic CS35L%02X%s Rev %02X OTP%d fw:%d.%d.%d (patched=%u)\n",
+ cs35l56_base->type, cs35l56_base->secured ? "s" : "", cs35l56_base->rev, otpid,
fw_ver >> 16, (fw_ver >> 8) & 0xff, fw_ver & 0xff, !fw_missing);
/* Wake source and *_BLOCKED interrupts default to unmasked, so mask them */
return -ENODEV;
}
+ cs35l56->dsp.part = kasprintf(GFP_KERNEL, "cs35l%02x", cs35l56->base.type);
+ if (!cs35l56->dsp.part)
+ return -ENOMEM;
+
cs35l56->component = component;
wm_adsp2_component_probe(&cs35l56->dsp, component);
wm_adsp2_component_remove(&cs35l56->dsp, component);
+ kfree(cs35l56->dsp.part);
+ cs35l56->dsp.part = NULL;
+
kfree(cs35l56->dsp.fwf_name);
cs35l56->dsp.fwf_name = NULL;
dsp = &cs35l56->dsp;
cs35l56_init_cs_dsp(&cs35l56->base, &dsp->cs_dsp);
- dsp->part = "cs35l56";
+
+ /*
+ * dsp->part is filled in later as it is based on the DEVID. In a
+ * SoundWire system that cannot be read until enumeration has occurred
+ * and the device has attached.
+ */
dsp->fw = 12;
dsp->wmfw_optional = true;
ret = snd_hda_codec_device_new(codec->bus, component->card->snd_card, hdev->addr, codec,
false);
if (ret < 0) {
- dev_err(&hdev->dev, "create hda codec failed: %d\n", ret);
+ dev_err(&hdev->dev, "codec create failed: %d\n", ret);
goto device_new_err;
}
ret = snd_hda_codec_set_name(codec, codec->preset->name);
if (ret < 0) {
- dev_err(&hdev->dev, "name failed %s\n", codec->preset->name);
+ dev_err(&hdev->dev, "set name: %s failed: %d\n", codec->preset->name, ret);
goto err;
}
ret = snd_hdac_regmap_init(&codec->core);
if (ret < 0) {
- dev_err(&hdev->dev, "regmap init failed\n");
+ dev_err(&hdev->dev, "regmap init failed: %d\n", ret);
goto err;
}
ret = patch(codec);
if (ret < 0) {
- dev_err(&hdev->dev, "patch failed %d\n", ret);
+ dev_err(&hdev->dev, "codec init failed: %d\n", ret);
goto err;
}
ret = snd_hda_codec_parse_pcms(codec);
if (ret < 0) {
- dev_err(&hdev->dev, "unable to map pcms to dai %d\n", ret);
+ dev_err(&hdev->dev, "unable to map pcms to dai: %d\n", ret);
goto parse_pcms_err;
}
struct hda_codec *codec = dev_to_hda_codec(&hdev->dev);
struct snd_soc_component_driver *comp_drv;
+ if (hda_codec_is_display(codec) && !hdev->bus->audio_component) {
+ dev_dbg(&hdev->dev, "no i915, skip registration for 0x%08x\n", hdev->vendor_id);
+ return -ENODEV;
+ }
+
comp_drv = devm_kzalloc(&hdev->dev, sizeof(*comp_drv), GFP_KERNEL);
if (!comp_drv)
return -ENOMEM;
/* configure effectively creates new ASoC component */
ret = snd_hda_codec_configure(codec);
if (ret < 0) {
- dev_err(bus->dev, "failed to config codec %d\n", ret);
+ dev_warn(bus->dev, "failed to config codec #%d: %d\n", addr, ret);
return ret;
}
static void avs_hdac_bus_probe_codecs(struct hdac_bus *bus)
{
- int c;
+ int ret, c;
/* First try to probe all given codec slots */
for (c = 0; c < HDA_MAX_CODECS; c++) {
if (!(bus->codec_mask & BIT(c)))
continue;
- if (!probe_codec(bus, c))
- /* success, continue probing */
+ ret = probe_codec(bus, c);
+ /* Ignore codecs with no supporting driver. */
+ if (!ret || ret == -ENODEV)
continue;
/*
pxa2xx_ac97_hw_remove(pdev);
}
-#ifdef CONFIG_PM_SLEEP
static int pxa2xx_ac97_dev_suspend(struct device *dev)
{
return pxa2xx_ac97_hw_suspend();
return pxa2xx_ac97_hw_resume();
}
-static SIMPLE_DEV_PM_OPS(pxa2xx_ac97_pm_ops,
+static DEFINE_SIMPLE_DEV_PM_OPS(pxa2xx_ac97_pm_ops,
pxa2xx_ac97_dev_suspend, pxa2xx_ac97_dev_resume);
-#endif
static struct platform_driver pxa2xx_ac97_driver = {
.probe = pxa2xx_ac97_dev_probe,
.remove_new = pxa2xx_ac97_dev_remove,
.driver = {
.name = "pxa2xx-ac97",
-#ifdef CONFIG_PM_SLEEP
.pm = &pxa2xx_ac97_pm_ops,
-#endif
.of_match_table = of_match_ptr(pxa2xx_ac97_dt_ids),
},
};
snd_card_free(card);
}
-#ifdef CONFIG_PM_SLEEP
-
static int snd_at73c213_suspend(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
return 0;
}
-static SIMPLE_DEV_PM_OPS(at73c213_pm_ops, snd_at73c213_suspend,
+static DEFINE_SIMPLE_DEV_PM_OPS(at73c213_pm_ops, snd_at73c213_suspend,
snd_at73c213_resume);
-#define AT73C213_PM_OPS (&at73c213_pm_ops)
-
-#else
-#define AT73C213_PM_OPS NULL
-#endif
static struct spi_driver at73c213_driver = {
.driver = {
.name = "at73c213",
- .pm = AT73C213_PM_OPS,
+ .pm = &at73c213_pm_ops,
},
.probe = snd_at73c213_probe,
.remove = snd_at73c213_remove,
return -EINVAL;
emu->card = card;
- emu->name = kstrdup(name, GFP_KERNEL);
+ emu->name = kstrdup_const(name, GFP_KERNEL);
emu->voices = kcalloc(emu->max_voices, sizeof(struct snd_emux_voice),
GFP_KERNEL);
if (emu->name == NULL || emu->voices == NULL)
snd_emux_delete_hwdep(emu);
snd_sf_free(emu->sflist);
kfree(emu->voices);
- kfree(emu->name);
+ kfree_const(emu->name);
kfree(emu);
return 0;
}
/* some gui mixers can't handle negative ctl values */
#define SCARLETT2_VOLUME_BIAS 127
-#define SCARLETT2_GAIN_BIAS 70
+
+/* maximum preamp input gain and value
+ * values are from 0 to 70, preamp gain is from 0 to 69 dB
+ */
+#define SCARLETT2_MAX_GAIN_VALUE 70
+#define SCARLETT2_MAX_GAIN_DB 69
/* mixer range from -80dB to +6dB in 0.5dB steps */
#define SCARLETT2_MIXER_MIN_DB -80
"Mute Playback Switch", "Dim Playback Switch"
};
-/* Autogain Status Values */
-enum {
- SCARLETT2_AUTOGAIN_STATUS_STOPPED,
- SCARLETT2_AUTOGAIN_STATUS_RUNNING,
- SCARLETT2_AUTOGAIN_STATUS_FAILED,
- SCARLETT2_AUTOGAIN_STATUS_CANCELLED,
- SCARLETT2_AUTOGAIN_STATUS_UNKNOWN,
- SCARLETT2_AUTOGAIN_STATUS_COUNT
+/* The autogain_status is set based on the autogain_switch and
+ * raw_autogain_status values.
+ *
+ * If autogain_switch is set, autogain_status is set to 0 (Running).
+ * The other status values are from the raw_autogain_status value + 1.
+ */
+static const char *const scarlett2_autogain_status_texts[] = {
+ "Running",
+ "Success",
+ "SuccessDRover",
+ "WarnMinGainLimit",
+ "FailDRunder",
+ "FailMaxGainLimit",
+ "FailClipped",
+ "Cancelled",
+ "Invalid"
};
/* Power Status Values */
SCARLETT2_CONFIG_INPUT_SELECT_SWITCH,
SCARLETT2_CONFIG_INPUT_LINK_SWITCH,
SCARLETT2_CONFIG_POWER_EXT,
- SCARLETT2_CONFIG_POWER_STATUS,
+ SCARLETT2_CONFIG_POWER_LOW,
SCARLETT2_CONFIG_PCM_INPUT_SWITCH,
SCARLETT2_CONFIG_DIRECT_MONITOR_GAIN,
SCARLETT2_CONFIG_COUNT
[SCARLETT2_CONFIG_POWER_EXT] = {
.offset = 0x168 },
- [SCARLETT2_CONFIG_POWER_STATUS] = {
- .offset = 0x66 }
+ [SCARLETT2_CONFIG_POWER_LOW] = {
+ .offset = 0x16d }
}
};
{
int i;
+ /* autogain_status[] is 0 if autogain is running */
for (i = 0; i < private->info->gain_input_count; i++)
- if (private->autogain_status[i] ==
- SCARLETT2_AUTOGAIN_STATUS_RUNNING)
+ if (!private->autogain_status[i])
return 1;
return 0;
return err;
/* Translate autogain_switch and raw_autogain_status into
- * autogain_status
+ * autogain_status.
+ *
+ * When autogain_switch[] is set, the status is the first
+ * element in scarlett2_autogain_status_texts[] (Running). The
+ * subsequent elements correspond to the status value from the
+ * device (raw_autogain_status[]) + 1. The last element is
+ * "Invalid", in case the device reports a status outside the
+ * range of scarlett2_autogain_status_texts[].
*/
for (i = 0; i < info->gain_input_count; i++)
if (private->autogain_switch[i])
+ private->autogain_status[i] = 0;
+ else if (raw_autogain_status[i] <
+ ARRAY_SIZE(scarlett2_autogain_status_texts) - 1)
private->autogain_status[i] =
- SCARLETT2_AUTOGAIN_STATUS_RUNNING;
- else if (raw_autogain_status[i] == 0)
- private->autogain_status[i] =
- SCARLETT2_AUTOGAIN_STATUS_STOPPED;
- else if (raw_autogain_status[i] >= 2 &&
- raw_autogain_status[i] <= 5)
- private->autogain_status[i] =
- SCARLETT2_AUTOGAIN_STATUS_FAILED;
- else if (raw_autogain_status[i] == 6)
- private->autogain_status[i] =
- SCARLETT2_AUTOGAIN_STATUS_CANCELLED;
+ raw_autogain_status[i] + 1;
else
private->autogain_status[i] =
- SCARLETT2_AUTOGAIN_STATUS_UNKNOWN;
+ ARRAY_SIZE(scarlett2_autogain_status_texts) - 1;
return 0;
}
static int scarlett2_autogain_status_ctl_info(
struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo)
{
- static const char *const values[SCARLETT2_AUTOGAIN_STATUS_COUNT] = {
- "Stopped", "Running", "Failed", "Cancelled", "Unknown"
- };
-
return snd_ctl_enum_info(
- uinfo, 1, SCARLETT2_AUTOGAIN_STATUS_COUNT, values);
+ uinfo, 1,
+ ARRAY_SIZE(scarlett2_autogain_status_texts),
+ scarlett2_autogain_status_texts);
}
static const struct snd_kcontrol_new scarlett2_autogain_switch_ctl = {
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = elem->channels;
uinfo->value.integer.min = 0;
- uinfo->value.integer.max = SCARLETT2_GAIN_BIAS;
+ uinfo->value.integer.max = SCARLETT2_MAX_GAIN_VALUE;
uinfo->value.integer.step = 1;
unlock:
}
static const DECLARE_TLV_DB_MINMAX(
- db_scale_scarlett2_gain, -SCARLETT2_GAIN_BIAS * 100, 0
+ db_scale_scarlett2_gain, 0, SCARLETT2_MAX_GAIN_DB * 100
);
static const struct snd_kcontrol_new scarlett2_input_gain_ctl = {
{
struct scarlett2_data *private = mixer->private_data;
int err;
- u8 power_ext;
- u8 power_status;
+ u8 power_ext, power_low;
private->power_status_updated = 0;
if (err < 0)
return err;
- err = scarlett2_usb_get_config(mixer, SCARLETT2_CONFIG_POWER_STATUS,
- 1, &power_status);
+ err = scarlett2_usb_get_config(mixer, SCARLETT2_CONFIG_POWER_LOW,
+ 1, &power_low);
if (err < 0)
return err;
- if (power_status > 1)
+ if (power_low)
private->power_status = SCARLETT2_POWER_STATUS_FAIL;
else if (power_ext)
private->power_status = SCARLETT2_POWER_STATUS_EXT;
c = 0;
if (bits) {
- for (; bits && *maps; maps++, bits >>= 1)
+ for (; bits && *maps; maps++, bits >>= 1) {
if (bits & 1)
chmap->map[c++] = *maps;
+ if (c == chmap->channels)
+ break;
+ }
} else {
/* If we're missing wChannelConfig, then guess something
to make sure the channel map is not skipped entirely */
virtio_chmap.o \
virtio_ctl_msg.o \
virtio_jack.o \
+ virtio_kctl.o \
virtio_pcm.o \
virtio_pcm_msg.o \
virtio_pcm_ops.o
case VIRTIO_SND_EVT_PCM_XRUN:
virtsnd_pcm_event(snd, event);
break;
+ case VIRTIO_SND_EVT_CTL_NOTIFY:
+ virtsnd_kctl_event(snd, event);
+ break;
}
}
if (rc)
return rc;
+ if (virtio_has_feature(vdev, VIRTIO_SND_F_CTLS)) {
+ rc = virtsnd_kctl_parse_cfg(snd);
+ if (rc)
+ return rc;
+ }
+
if (snd->njacks) {
rc = virtsnd_jack_build_devs(snd);
if (rc)
return rc;
}
+ if (snd->nkctls) {
+ rc = virtsnd_kctl_build_devs(snd);
+ if (rc)
+ return rc;
+ }
+
return snd_card_register(snd->card);
}
{ 0 },
};
+static unsigned int features[] = {
+ VIRTIO_SND_F_CTLS
+};
+
static struct virtio_driver virtsnd_driver = {
.driver.name = KBUILD_MODNAME,
.driver.owner = THIS_MODULE,
.id_table = id_table,
+ .feature_table = features,
+ .feature_table_size = ARRAY_SIZE(features),
.validate = virtsnd_validate,
.probe = virtsnd_probe,
.remove = virtsnd_remove,
struct virtqueue *vqueue;
};
+/**
+ * struct virtio_kctl - VirtIO control element.
+ * @kctl: ALSA control element.
+ * @items: Items for the ENUMERATED element type.
+ */
+struct virtio_kctl {
+ struct snd_kcontrol *kctl;
+ struct virtio_snd_ctl_enum_item *items;
+};
+
/**
* struct virtio_snd - VirtIO sound card device.
* @vdev: Underlying virtio device.
* @nsubstreams: Number of PCM substreams.
* @chmaps: VirtIO channel maps.
* @nchmaps: Number of channel maps.
+ * @kctl_infos: VirtIO control element information.
+ * @kctls: VirtIO control elements.
+ * @nkctls: Number of control elements.
*/
struct virtio_snd {
struct virtio_device *vdev;
u32 nsubstreams;
struct virtio_snd_chmap_info *chmaps;
u32 nchmaps;
+ struct virtio_snd_ctl_info *kctl_infos;
+ struct virtio_kctl *kctls;
+ u32 nkctls;
};
/* Message completion timeout in milliseconds (module parameter). */
int virtsnd_chmap_build_devs(struct virtio_snd *snd);
+int virtsnd_kctl_parse_cfg(struct virtio_snd *snd);
+
+int virtsnd_kctl_build_devs(struct virtio_snd *snd);
+
+void virtsnd_kctl_event(struct virtio_snd *snd, struct virtio_snd_event *event);
+
#endif /* VIRTIO_SND_CARD_H */
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * virtio-snd: Virtio sound device
+ * Copyright (C) 2022 OpenSynergy GmbH
+ */
+#include <sound/control.h>
+#include <linux/virtio_config.h>
+
+#include "virtio_card.h"
+
+/* Map for converting VirtIO types to ALSA types. */
+static const snd_ctl_elem_type_t g_v2a_type_map[] = {
+ [VIRTIO_SND_CTL_TYPE_BOOLEAN] = SNDRV_CTL_ELEM_TYPE_BOOLEAN,
+ [VIRTIO_SND_CTL_TYPE_INTEGER] = SNDRV_CTL_ELEM_TYPE_INTEGER,
+ [VIRTIO_SND_CTL_TYPE_INTEGER64] = SNDRV_CTL_ELEM_TYPE_INTEGER64,
+ [VIRTIO_SND_CTL_TYPE_ENUMERATED] = SNDRV_CTL_ELEM_TYPE_ENUMERATED,
+ [VIRTIO_SND_CTL_TYPE_BYTES] = SNDRV_CTL_ELEM_TYPE_BYTES,
+ [VIRTIO_SND_CTL_TYPE_IEC958] = SNDRV_CTL_ELEM_TYPE_IEC958
+};
+
+/* Map for converting VirtIO access rights to ALSA access rights. */
+static const unsigned int g_v2a_access_map[] = {
+ [VIRTIO_SND_CTL_ACCESS_READ] = SNDRV_CTL_ELEM_ACCESS_READ,
+ [VIRTIO_SND_CTL_ACCESS_WRITE] = SNDRV_CTL_ELEM_ACCESS_WRITE,
+ [VIRTIO_SND_CTL_ACCESS_VOLATILE] = SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ [VIRTIO_SND_CTL_ACCESS_INACTIVE] = SNDRV_CTL_ELEM_ACCESS_INACTIVE,
+ [VIRTIO_SND_CTL_ACCESS_TLV_READ] = SNDRV_CTL_ELEM_ACCESS_TLV_READ,
+ [VIRTIO_SND_CTL_ACCESS_TLV_WRITE] = SNDRV_CTL_ELEM_ACCESS_TLV_WRITE,
+ [VIRTIO_SND_CTL_ACCESS_TLV_COMMAND] = SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND
+};
+
+/* Map for converting VirtIO event masks to ALSA event masks. */
+static const unsigned int g_v2a_mask_map[] = {
+ [VIRTIO_SND_CTL_EVT_MASK_VALUE] = SNDRV_CTL_EVENT_MASK_VALUE,
+ [VIRTIO_SND_CTL_EVT_MASK_INFO] = SNDRV_CTL_EVENT_MASK_INFO,
+ [VIRTIO_SND_CTL_EVT_MASK_TLV] = SNDRV_CTL_EVENT_MASK_TLV
+};
+
+/**
+ * virtsnd_kctl_info() - Returns information about the control.
+ * @kcontrol: ALSA control element.
+ * @uinfo: Element information.
+ *
+ * Context: Process context.
+ * Return: 0 on success, -errno on failure.
+ */
+static int virtsnd_kctl_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ struct virtio_snd *snd = kcontrol->private_data;
+ struct virtio_kctl *kctl = &snd->kctls[kcontrol->private_value];
+ struct virtio_snd_ctl_info *kinfo =
+ &snd->kctl_infos[kcontrol->private_value];
+ unsigned int i;
+
+ uinfo->type = g_v2a_type_map[le32_to_cpu(kinfo->type)];
+ uinfo->count = le32_to_cpu(kinfo->count);
+
+ switch (uinfo->type) {
+ case SNDRV_CTL_ELEM_TYPE_INTEGER:
+ uinfo->value.integer.min =
+ le32_to_cpu(kinfo->value.integer.min);
+ uinfo->value.integer.max =
+ le32_to_cpu(kinfo->value.integer.max);
+ uinfo->value.integer.step =
+ le32_to_cpu(kinfo->value.integer.step);
+
+ break;
+ case SNDRV_CTL_ELEM_TYPE_INTEGER64:
+ uinfo->value.integer64.min =
+ le64_to_cpu(kinfo->value.integer64.min);
+ uinfo->value.integer64.max =
+ le64_to_cpu(kinfo->value.integer64.max);
+ uinfo->value.integer64.step =
+ le64_to_cpu(kinfo->value.integer64.step);
+
+ break;
+ case SNDRV_CTL_ELEM_TYPE_ENUMERATED:
+ uinfo->value.enumerated.items =
+ le32_to_cpu(kinfo->value.enumerated.items);
+ i = uinfo->value.enumerated.item;
+ if (i >= uinfo->value.enumerated.items)
+ return -EINVAL;
+
+ strscpy(uinfo->value.enumerated.name, kctl->items[i].item,
+ sizeof(uinfo->value.enumerated.name));
+
+ break;
+ }
+
+ return 0;
+}
+
+/**
+ * virtsnd_kctl_get() - Read the value from the control.
+ * @kcontrol: ALSA control element.
+ * @uvalue: Element value.
+ *
+ * Context: Process context.
+ * Return: 0 on success, -errno on failure.
+ */
+static int virtsnd_kctl_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *uvalue)
+{
+ struct virtio_snd *snd = kcontrol->private_data;
+ struct virtio_snd_ctl_info *kinfo =
+ &snd->kctl_infos[kcontrol->private_value];
+ unsigned int type = le32_to_cpu(kinfo->type);
+ unsigned int count = le32_to_cpu(kinfo->count);
+ struct virtio_snd_msg *msg;
+ struct virtio_snd_ctl_hdr *hdr;
+ struct virtio_snd_ctl_value *kvalue;
+ size_t request_size = sizeof(*hdr);
+ size_t response_size = sizeof(struct virtio_snd_hdr) + sizeof(*kvalue);
+ unsigned int i;
+ int rc;
+
+ msg = virtsnd_ctl_msg_alloc(request_size, response_size, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ virtsnd_ctl_msg_ref(msg);
+
+ hdr = virtsnd_ctl_msg_request(msg);
+ hdr->hdr.code = cpu_to_le32(VIRTIO_SND_R_CTL_READ);
+ hdr->control_id = cpu_to_le32(kcontrol->private_value);
+
+ rc = virtsnd_ctl_msg_send_sync(snd, msg);
+ if (rc)
+ goto on_failure;
+
+ kvalue = (void *)((u8 *)virtsnd_ctl_msg_response(msg) +
+ sizeof(struct virtio_snd_hdr));
+
+ switch (type) {
+ case VIRTIO_SND_CTL_TYPE_BOOLEAN:
+ case VIRTIO_SND_CTL_TYPE_INTEGER:
+ for (i = 0; i < count; ++i)
+ uvalue->value.integer.value[i] =
+ le32_to_cpu(kvalue->value.integer[i]);
+ break;
+ case VIRTIO_SND_CTL_TYPE_INTEGER64:
+ for (i = 0; i < count; ++i)
+ uvalue->value.integer64.value[i] =
+ le64_to_cpu(kvalue->value.integer64[i]);
+ break;
+ case VIRTIO_SND_CTL_TYPE_ENUMERATED:
+ for (i = 0; i < count; ++i)
+ uvalue->value.enumerated.item[i] =
+ le32_to_cpu(kvalue->value.enumerated[i]);
+ break;
+ case VIRTIO_SND_CTL_TYPE_BYTES:
+ memcpy(uvalue->value.bytes.data, kvalue->value.bytes, count);
+ break;
+ case VIRTIO_SND_CTL_TYPE_IEC958:
+ memcpy(&uvalue->value.iec958, &kvalue->value.iec958,
+ sizeof(uvalue->value.iec958));
+ break;
+ }
+
+on_failure:
+ virtsnd_ctl_msg_unref(msg);
+
+ return rc;
+}
+
+/**
+ * virtsnd_kctl_put() - Write the value to the control.
+ * @kcontrol: ALSA control element.
+ * @uvalue: Element value.
+ *
+ * Context: Process context.
+ * Return: 0 on success, -errno on failure.
+ */
+static int virtsnd_kctl_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *uvalue)
+{
+ struct virtio_snd *snd = kcontrol->private_data;
+ struct virtio_snd_ctl_info *kinfo =
+ &snd->kctl_infos[kcontrol->private_value];
+ unsigned int type = le32_to_cpu(kinfo->type);
+ unsigned int count = le32_to_cpu(kinfo->count);
+ struct virtio_snd_msg *msg;
+ struct virtio_snd_ctl_hdr *hdr;
+ struct virtio_snd_ctl_value *kvalue;
+ size_t request_size = sizeof(*hdr) + sizeof(*kvalue);
+ size_t response_size = sizeof(struct virtio_snd_hdr);
+ unsigned int i;
+
+ msg = virtsnd_ctl_msg_alloc(request_size, response_size, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ hdr = virtsnd_ctl_msg_request(msg);
+ hdr->hdr.code = cpu_to_le32(VIRTIO_SND_R_CTL_WRITE);
+ hdr->control_id = cpu_to_le32(kcontrol->private_value);
+
+ kvalue = (void *)((u8 *)hdr + sizeof(*hdr));
+
+ switch (type) {
+ case VIRTIO_SND_CTL_TYPE_BOOLEAN:
+ case VIRTIO_SND_CTL_TYPE_INTEGER:
+ for (i = 0; i < count; ++i)
+ kvalue->value.integer[i] =
+ cpu_to_le32(uvalue->value.integer.value[i]);
+ break;
+ case VIRTIO_SND_CTL_TYPE_INTEGER64:
+ for (i = 0; i < count; ++i)
+ kvalue->value.integer64[i] =
+ cpu_to_le64(uvalue->value.integer64.value[i]);
+ break;
+ case VIRTIO_SND_CTL_TYPE_ENUMERATED:
+ for (i = 0; i < count; ++i)
+ kvalue->value.enumerated[i] =
+ cpu_to_le32(uvalue->value.enumerated.item[i]);
+ break;
+ case VIRTIO_SND_CTL_TYPE_BYTES:
+ memcpy(kvalue->value.bytes, uvalue->value.bytes.data, count);
+ break;
+ case VIRTIO_SND_CTL_TYPE_IEC958:
+ memcpy(&kvalue->value.iec958, &uvalue->value.iec958,
+ sizeof(kvalue->value.iec958));
+ break;
+ }
+
+ return virtsnd_ctl_msg_send_sync(snd, msg);
+}
+
+/**
+ * virtsnd_kctl_tlv_op() - Perform an operation on the control's metadata.
+ * @kcontrol: ALSA control element.
+ * @op_flag: Operation code (SNDRV_CTL_TLV_OP_XXX).
+ * @size: Size of the TLV data in bytes.
+ * @utlv: TLV data.
+ *
+ * Context: Process context.
+ * Return: 0 on success, -errno on failure.
+ */
+static int virtsnd_kctl_tlv_op(struct snd_kcontrol *kcontrol, int op_flag,
+ unsigned int size, unsigned int __user *utlv)
+{
+ struct virtio_snd *snd = kcontrol->private_data;
+ struct virtio_snd_msg *msg;
+ struct virtio_snd_ctl_hdr *hdr;
+ unsigned int *tlv;
+ struct scatterlist sg;
+ int rc;
+
+ msg = virtsnd_ctl_msg_alloc(sizeof(*hdr), sizeof(struct virtio_snd_hdr),
+ GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ tlv = kzalloc(size, GFP_KERNEL);
+ if (!tlv) {
+ rc = -ENOMEM;
+ goto on_msg_unref;
+ }
+
+ sg_init_one(&sg, tlv, size);
+
+ hdr = virtsnd_ctl_msg_request(msg);
+ hdr->control_id = cpu_to_le32(kcontrol->private_value);
+
+ switch (op_flag) {
+ case SNDRV_CTL_TLV_OP_READ:
+ hdr->hdr.code = cpu_to_le32(VIRTIO_SND_R_CTL_TLV_READ);
+
+ rc = virtsnd_ctl_msg_send(snd, msg, NULL, &sg, false);
+ if (!rc) {
+ if (copy_to_user(utlv, tlv, size))
+ rc = -EFAULT;
+ }
+
+ break;
+ case SNDRV_CTL_TLV_OP_WRITE:
+ case SNDRV_CTL_TLV_OP_CMD:
+ if (op_flag == SNDRV_CTL_TLV_OP_WRITE)
+ hdr->hdr.code = cpu_to_le32(VIRTIO_SND_R_CTL_TLV_WRITE);
+ else
+ hdr->hdr.code =
+ cpu_to_le32(VIRTIO_SND_R_CTL_TLV_COMMAND);
+
+ if (copy_from_user(tlv, utlv, size)) {
+ rc = -EFAULT;
+ goto on_msg_unref;
+ } else {
+ rc = virtsnd_ctl_msg_send(snd, msg, &sg, NULL, false);
+ }
+
+ break;
+ default:
+ rc = -EINVAL;
+ /* We never get here - we listed all values for op_flag */
+ WARN_ON(1);
+ goto on_msg_unref;
+ }
+ kfree(tlv);
+ return rc;
+
+on_msg_unref:
+ virtsnd_ctl_msg_unref(msg);
+ kfree(tlv);
+
+ return rc;
+}
+
+/**
+ * virtsnd_kctl_get_enum_items() - Query items for the ENUMERATED element type.
+ * @snd: VirtIO sound device.
+ * @cid: Control element ID.
+ *
+ * This function is called during initial device initialization.
+ *
+ * Context: Any context that permits to sleep.
+ * Return: 0 on success, -errno on failure.
+ */
+static int virtsnd_kctl_get_enum_items(struct virtio_snd *snd, unsigned int cid)
+{
+ struct virtio_device *vdev = snd->vdev;
+ struct virtio_snd_ctl_info *kinfo = &snd->kctl_infos[cid];
+ struct virtio_kctl *kctl = &snd->kctls[cid];
+ struct virtio_snd_msg *msg;
+ struct virtio_snd_ctl_hdr *hdr;
+ unsigned int n = le32_to_cpu(kinfo->value.enumerated.items);
+ struct scatterlist sg;
+
+ msg = virtsnd_ctl_msg_alloc(sizeof(*hdr),
+ sizeof(struct virtio_snd_hdr), GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ kctl->items = devm_kcalloc(&vdev->dev, n, sizeof(*kctl->items),
+ GFP_KERNEL);
+ if (!kctl->items) {
+ virtsnd_ctl_msg_unref(msg);
+ return -ENOMEM;
+ }
+
+ sg_init_one(&sg, kctl->items, n * sizeof(*kctl->items));
+
+ hdr = virtsnd_ctl_msg_request(msg);
+ hdr->hdr.code = cpu_to_le32(VIRTIO_SND_R_CTL_ENUM_ITEMS);
+ hdr->control_id = cpu_to_le32(cid);
+
+ return virtsnd_ctl_msg_send(snd, msg, NULL, &sg, false);
+}
+
+/**
+ * virtsnd_kctl_parse_cfg() - Parse the control element configuration.
+ * @snd: VirtIO sound device.
+ *
+ * This function is called during initial device initialization.
+ *
+ * Context: Any context that permits to sleep.
+ * Return: 0 on success, -errno on failure.
+ */
+int virtsnd_kctl_parse_cfg(struct virtio_snd *snd)
+{
+ struct virtio_device *vdev = snd->vdev;
+ u32 i;
+ int rc;
+
+ virtio_cread_le(vdev, struct virtio_snd_config, controls,
+ &snd->nkctls);
+ if (!snd->nkctls)
+ return 0;
+
+ snd->kctl_infos = devm_kcalloc(&vdev->dev, snd->nkctls,
+ sizeof(*snd->kctl_infos), GFP_KERNEL);
+ if (!snd->kctl_infos)
+ return -ENOMEM;
+
+ snd->kctls = devm_kcalloc(&vdev->dev, snd->nkctls, sizeof(*snd->kctls),
+ GFP_KERNEL);
+ if (!snd->kctls)
+ return -ENOMEM;
+
+ rc = virtsnd_ctl_query_info(snd, VIRTIO_SND_R_CTL_INFO, 0, snd->nkctls,
+ sizeof(*snd->kctl_infos), snd->kctl_infos);
+ if (rc)
+ return rc;
+
+ for (i = 0; i < snd->nkctls; ++i) {
+ struct virtio_snd_ctl_info *kinfo = &snd->kctl_infos[i];
+ unsigned int type = le32_to_cpu(kinfo->type);
+
+ if (type == VIRTIO_SND_CTL_TYPE_ENUMERATED) {
+ rc = virtsnd_kctl_get_enum_items(snd, i);
+ if (rc)
+ return rc;
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * virtsnd_kctl_build_devs() - Build ALSA control elements.
+ * @snd: VirtIO sound device.
+ *
+ * Context: Any context that permits to sleep.
+ * Return: 0 on success, -errno on failure.
+ */
+int virtsnd_kctl_build_devs(struct virtio_snd *snd)
+{
+ unsigned int cid;
+
+ for (cid = 0; cid < snd->nkctls; ++cid) {
+ struct virtio_snd_ctl_info *kinfo = &snd->kctl_infos[cid];
+ struct virtio_kctl *kctl = &snd->kctls[cid];
+ struct snd_kcontrol_new kctl_new;
+ unsigned int i;
+ int rc;
+
+ memset(&kctl_new, 0, sizeof(kctl_new));
+
+ kctl_new.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ kctl_new.name = kinfo->name;
+ kctl_new.index = le32_to_cpu(kinfo->index);
+
+ for (i = 0; i < ARRAY_SIZE(g_v2a_access_map); ++i)
+ if (le32_to_cpu(kinfo->access) & (1 << i))
+ kctl_new.access |= g_v2a_access_map[i];
+
+ if (kctl_new.access & (SNDRV_CTL_ELEM_ACCESS_TLV_READ |
+ SNDRV_CTL_ELEM_ACCESS_TLV_WRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND)) {
+ kctl_new.access |= SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
+ kctl_new.tlv.c = virtsnd_kctl_tlv_op;
+ }
+
+ kctl_new.info = virtsnd_kctl_info;
+ kctl_new.get = virtsnd_kctl_get;
+ kctl_new.put = virtsnd_kctl_put;
+ kctl_new.private_value = cid;
+
+ kctl->kctl = snd_ctl_new1(&kctl_new, snd);
+ if (!kctl->kctl)
+ return -ENOMEM;
+
+ rc = snd_ctl_add(snd->card, kctl->kctl);
+ if (rc)
+ return rc;
+ }
+
+ return 0;
+}
+
+/**
+ * virtsnd_kctl_event() - Handle the control element event notification.
+ * @snd: VirtIO sound device.
+ * @event: VirtIO sound event.
+ *
+ * Context: Interrupt context.
+ */
+void virtsnd_kctl_event(struct virtio_snd *snd, struct virtio_snd_event *event)
+{
+ struct virtio_snd_ctl_event *kevent =
+ (struct virtio_snd_ctl_event *)event;
+ struct virtio_kctl *kctl;
+ unsigned int cid = le16_to_cpu(kevent->control_id);
+ unsigned int mask = 0;
+ unsigned int i;
+
+ if (cid >= snd->nkctls)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(g_v2a_mask_map); ++i)
+ if (le16_to_cpu(kevent->mask) & (1 << i))
+ mask |= g_v2a_mask_map[i];
+
+
+ kctl = &snd->kctls[cid];
+
+ snd_ctl_notify(snd->card, mask, &kctl->kctl->id);
+}
git.samba.org / sfrench / cifs-2.6.git / commitdiff