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-rw-r--r--sound/hda/core/bus.c8
-rw-r--r--sound/hda/core/component.c6
-rw-r--r--sound/hda/core/controller.c58
-rw-r--r--sound/hda/core/device.c23
-rw-r--r--sound/hda/core/ext/controller.c6
-rw-r--r--sound/hda/core/ext/stream.c38
-rw-r--r--sound/hda/core/intel-dsp-config.c28
-rw-r--r--sound/hda/core/regmap.c35
-rw-r--r--sound/hda/core/stream.c34
9 files changed, 104 insertions, 132 deletions
diff --git a/sound/hda/core/bus.c b/sound/hda/core/bus.c
index d497414a5538..9b196c915f37 100644
--- a/sound/hda/core/bus.c
+++ b/sound/hda/core/bus.c
@@ -87,12 +87,8 @@ EXPORT_SYMBOL_GPL(snd_hdac_bus_exit);
int snd_hdac_bus_exec_verb(struct hdac_bus *bus, unsigned int addr,
unsigned int cmd, unsigned int *res)
{
- int err;
-
- mutex_lock(&bus->cmd_mutex);
- err = snd_hdac_bus_exec_verb_unlocked(bus, addr, cmd, res);
- mutex_unlock(&bus->cmd_mutex);
- return err;
+ guard(mutex)(&bus->cmd_mutex);
+ return snd_hdac_bus_exec_verb_unlocked(bus, addr, cmd, res);
}
/**
diff --git a/sound/hda/core/component.c b/sound/hda/core/component.c
index 9c82a2864a2f..04755903880e 100644
--- a/sound/hda/core/component.c
+++ b/sound/hda/core/component.c
@@ -69,14 +69,14 @@ void snd_hdac_display_power(struct hdac_bus *bus, unsigned int idx, bool enable)
dev_dbg(bus->dev, "display power %s\n", str_enable_disable(enable));
- mutex_lock(&bus->lock);
+ guard(mutex)(&bus->lock);
if (enable)
set_bit(idx, &bus->display_power_status);
else
clear_bit(idx, &bus->display_power_status);
if (!acomp || !acomp->ops)
- goto unlock;
+ return;
if (bus->display_power_status) {
if (!bus->display_power_active) {
@@ -99,8 +99,6 @@ void snd_hdac_display_power(struct hdac_bus *bus, unsigned int idx, bool enable)
bus->display_power_active = 0;
}
}
- unlock:
- mutex_unlock(&bus->lock);
}
EXPORT_SYMBOL_GPL(snd_hdac_display_power);
diff --git a/sound/hda/core/controller.c b/sound/hda/core/controller.c
index b5c833b9f8b9..a7c00ad80117 100644
--- a/sound/hda/core/controller.c
+++ b/sound/hda/core/controller.c
@@ -44,7 +44,7 @@ void snd_hdac_bus_init_cmd_io(struct hdac_bus *bus)
{
WARN_ON_ONCE(!bus->rb.area);
- spin_lock_irq(&bus->reg_lock);
+ guard(spinlock_irq)(&bus->reg_lock);
/* CORB set up */
bus->corb.addr = bus->rb.addr;
bus->corb.buf = (__le32 *)bus->rb.area;
@@ -86,7 +86,6 @@ void snd_hdac_bus_init_cmd_io(struct hdac_bus *bus)
snd_hdac_chip_writeb(bus, RIRBCTL, AZX_RBCTL_DMA_EN | AZX_RBCTL_IRQ_EN);
/* Accept unsolicited responses */
snd_hdac_chip_updatel(bus, GCTL, AZX_GCTL_UNSOL, AZX_GCTL_UNSOL);
- spin_unlock_irq(&bus->reg_lock);
}
EXPORT_SYMBOL_GPL(snd_hdac_bus_init_cmd_io);
@@ -112,18 +111,17 @@ static void hdac_wait_for_cmd_dmas(struct hdac_bus *bus)
*/
void snd_hdac_bus_stop_cmd_io(struct hdac_bus *bus)
{
- spin_lock_irq(&bus->reg_lock);
- /* disable ringbuffer DMAs */
- snd_hdac_chip_writeb(bus, RIRBCTL, 0);
- snd_hdac_chip_writeb(bus, CORBCTL, 0);
- spin_unlock_irq(&bus->reg_lock);
+ scoped_guard(spinlock_irq, &bus->reg_lock) {
+ /* disable ringbuffer DMAs */
+ snd_hdac_chip_writeb(bus, RIRBCTL, 0);
+ snd_hdac_chip_writeb(bus, CORBCTL, 0);
+ }
hdac_wait_for_cmd_dmas(bus);
- spin_lock_irq(&bus->reg_lock);
+ guard(spinlock_irq)(&bus->reg_lock);
/* disable unsolicited responses */
snd_hdac_chip_updatel(bus, GCTL, AZX_GCTL_UNSOL, 0);
- spin_unlock_irq(&bus->reg_lock);
}
EXPORT_SYMBOL_GPL(snd_hdac_bus_stop_cmd_io);
@@ -171,9 +169,8 @@ static int snd_hdac_bus_send_cmd_pio(struct hdac_bus *bus, unsigned int val)
{
unsigned int addr = azx_command_addr(val);
int timeout = 50;
- int ret = -EIO;
- spin_lock_irq(&bus->reg_lock);
+ guard(spinlock_irq)(&bus->reg_lock);
while (timeout--) {
/* check ICB bit */
@@ -184,8 +181,7 @@ static int snd_hdac_bus_send_cmd_pio(struct hdac_bus *bus, unsigned int val)
/* Set ICB bit */
snd_hdac_chip_updatew(bus, IRS, AZX_IRS_BUSY, AZX_IRS_BUSY);
- ret = snd_hdac_bus_wait_for_pio_response(bus, addr);
- goto out;
+ return snd_hdac_bus_wait_for_pio_response(bus, addr);
}
udelay(1);
}
@@ -193,10 +189,7 @@ static int snd_hdac_bus_send_cmd_pio(struct hdac_bus *bus, unsigned int val)
dev_dbg_ratelimited(bus->dev, "send_cmd_pio timeout: IRS=%#x, val=%#x\n",
snd_hdac_chip_readw(bus, IRS), val);
-out:
- spin_unlock_irq(&bus->reg_lock);
-
- return ret;
+ return -EIO;
}
/**
@@ -228,7 +221,7 @@ static int snd_hdac_bus_send_cmd_corb(struct hdac_bus *bus, unsigned int val)
unsigned int addr = azx_command_addr(val);
unsigned int wp, rp;
- spin_lock_irq(&bus->reg_lock);
+ guard(spinlock_irq)(&bus->reg_lock);
bus->last_cmd[azx_command_addr(val)] = val;
@@ -236,7 +229,6 @@ static int snd_hdac_bus_send_cmd_corb(struct hdac_bus *bus, unsigned int val)
wp = snd_hdac_chip_readw(bus, CORBWP);
if (wp == 0xffff) {
/* something wrong, controller likely turned to D3 */
- spin_unlock_irq(&bus->reg_lock);
return -EIO;
}
wp++;
@@ -245,7 +237,6 @@ static int snd_hdac_bus_send_cmd_corb(struct hdac_bus *bus, unsigned int val)
rp = snd_hdac_chip_readw(bus, CORBRP);
if (wp == rp) {
/* oops, it's full */
- spin_unlock_irq(&bus->reg_lock);
return -EAGAIN;
}
@@ -253,8 +244,6 @@ static int snd_hdac_bus_send_cmd_corb(struct hdac_bus *bus, unsigned int val)
bus->corb.buf[wp] = cpu_to_le32(val);
snd_hdac_chip_writew(bus, CORBWP, wp);
- spin_unlock_irq(&bus->reg_lock);
-
return 0;
}
@@ -333,21 +322,20 @@ static int snd_hdac_bus_get_response_rirb(struct hdac_bus *bus,
timeout = jiffies + msecs_to_jiffies(1000);
for (loopcounter = 0;; loopcounter++) {
- spin_lock_irq(&bus->reg_lock);
- if (!bus->polling_mode)
- prepare_to_wait(&bus->rirb_wq, &wait,
- TASK_UNINTERRUPTIBLE);
- if (bus->polling_mode)
- snd_hdac_bus_update_rirb(bus);
- if (!bus->rirb.cmds[addr]) {
- if (res)
- *res = bus->rirb.res[addr]; /* the last value */
+ scoped_guard(spinlock_irq, &bus->reg_lock) {
if (!bus->polling_mode)
- finish_wait(&bus->rirb_wq, &wait);
- spin_unlock_irq(&bus->reg_lock);
- return 0;
+ prepare_to_wait(&bus->rirb_wq, &wait,
+ TASK_UNINTERRUPTIBLE);
+ if (bus->polling_mode)
+ snd_hdac_bus_update_rirb(bus);
+ if (!bus->rirb.cmds[addr]) {
+ if (res)
+ *res = bus->rirb.res[addr]; /* the last value */
+ if (!bus->polling_mode)
+ finish_wait(&bus->rirb_wq, &wait);
+ return 0;
+ }
}
- spin_unlock_irq(&bus->reg_lock);
if (time_after(jiffies, timeout))
break;
#define LOOP_COUNT_MAX 3000
diff --git a/sound/hda/core/device.c b/sound/hda/core/device.c
index 018f9e176b1b..160c8d0453b0 100644
--- a/sound/hda/core/device.c
+++ b/sound/hda/core/device.c
@@ -147,9 +147,9 @@ int snd_hdac_device_register(struct hdac_device *codec)
err = device_add(&codec->dev);
if (err < 0)
return err;
- mutex_lock(&codec->widget_lock);
- err = hda_widget_sysfs_init(codec);
- mutex_unlock(&codec->widget_lock);
+ scoped_guard(mutex, &codec->widget_lock) {
+ err = hda_widget_sysfs_init(codec);
+ }
if (err < 0) {
device_del(&codec->dev);
return err;
@@ -166,9 +166,9 @@ EXPORT_SYMBOL_GPL(snd_hdac_device_register);
void snd_hdac_device_unregister(struct hdac_device *codec)
{
if (device_is_registered(&codec->dev)) {
- mutex_lock(&codec->widget_lock);
- hda_widget_sysfs_exit(codec);
- mutex_unlock(&codec->widget_lock);
+ scoped_guard(mutex, &codec->widget_lock) {
+ hda_widget_sysfs_exit(codec);
+ }
device_del(&codec->dev);
snd_hdac_bus_remove_device(codec->bus, codec);
}
@@ -411,25 +411,22 @@ int snd_hdac_refresh_widgets(struct hdac_device *codec)
* Serialize against multiple threads trying to update the sysfs
* widgets array.
*/
- mutex_lock(&codec->widget_lock);
+ guard(mutex)(&codec->widget_lock);
nums = snd_hdac_get_sub_nodes(codec, codec->afg, &start_nid);
if (!start_nid || nums <= 0 || nums >= 0xff) {
dev_err(&codec->dev, "cannot read sub nodes for FG 0x%02x\n",
codec->afg);
- err = -EINVAL;
- goto unlock;
+ return -EINVAL;
}
err = hda_widget_sysfs_reinit(codec, start_nid, nums);
if (err < 0)
- goto unlock;
+ return err;
codec->num_nodes = nums;
codec->start_nid = start_nid;
codec->end_nid = start_nid + nums;
-unlock:
- mutex_unlock(&codec->widget_lock);
- return err;
+ return 0;
}
EXPORT_SYMBOL_GPL(snd_hdac_refresh_widgets);
diff --git a/sound/hda/core/ext/controller.c b/sound/hda/core/ext/controller.c
index c84754434d16..9eea3ea2dae0 100644
--- a/sound/hda/core/ext/controller.c
+++ b/sound/hda/core/ext/controller.c
@@ -300,7 +300,7 @@ int snd_hdac_ext_bus_link_get(struct hdac_bus *bus,
unsigned long codec_mask;
int ret = 0;
- mutex_lock(&bus->lock);
+ guard(mutex)(&bus->lock);
/*
* if we move from 0 to 1, count will be 1 so power up this link
@@ -331,7 +331,6 @@ int snd_hdac_ext_bus_link_get(struct hdac_bus *bus,
bus->codec_mask = codec_mask;
}
- mutex_unlock(&bus->lock);
return ret;
}
EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_get);
@@ -343,7 +342,7 @@ int snd_hdac_ext_bus_link_put(struct hdac_bus *bus,
struct hdac_ext_link *hlink_tmp;
bool link_up = false;
- mutex_lock(&bus->lock);
+ guard(mutex)(&bus->lock);
/*
* if we move from 1 to 0, count will be 0
@@ -369,7 +368,6 @@ int snd_hdac_ext_bus_link_put(struct hdac_bus *bus,
}
}
- mutex_unlock(&bus->lock);
return ret;
}
EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_put);
diff --git a/sound/hda/core/ext/stream.c b/sound/hda/core/ext/stream.c
index a3ac738f1130..b4759198e51d 100644
--- a/sound/hda/core/ext/stream.c
+++ b/sound/hda/core/ext/stream.c
@@ -163,9 +163,8 @@ EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_decouple_locked);
void snd_hdac_ext_stream_decouple(struct hdac_bus *bus,
struct hdac_ext_stream *hext_stream, bool decouple)
{
- spin_lock_irq(&bus->reg_lock);
+ guard(spinlock_irq)(&bus->reg_lock);
snd_hdac_ext_stream_decouple_locked(bus, hext_stream, decouple);
- spin_unlock_irq(&bus->reg_lock);
}
EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_decouple);
@@ -265,7 +264,7 @@ hdac_ext_link_dma_stream_assign(struct hdac_bus *bus,
return NULL;
}
- spin_lock_irq(&bus->reg_lock);
+ guard(spinlock_irq)(&bus->reg_lock);
list_for_each_entry(hstream, &bus->stream_list, list) {
struct hdac_ext_stream *hext_stream = container_of(hstream,
struct hdac_ext_stream,
@@ -285,7 +284,6 @@ hdac_ext_link_dma_stream_assign(struct hdac_bus *bus,
res->link_locked = 1;
res->link_substream = substream;
}
- spin_unlock_irq(&bus->reg_lock);
return res;
}
@@ -301,7 +299,7 @@ hdac_ext_host_dma_stream_assign(struct hdac_bus *bus,
return NULL;
}
- spin_lock_irq(&bus->reg_lock);
+ guard(spinlock_irq)(&bus->reg_lock);
list_for_each_entry(hstream, &bus->stream_list, list) {
struct hdac_ext_stream *hext_stream = container_of(hstream,
struct hdac_ext_stream,
@@ -320,7 +318,6 @@ hdac_ext_host_dma_stream_assign(struct hdac_bus *bus,
res->hstream.running = 0;
res->hstream.substream = substream;
}
- spin_unlock_irq(&bus->reg_lock);
return res;
}
@@ -387,22 +384,22 @@ void snd_hdac_ext_stream_release(struct hdac_ext_stream *hext_stream, int type)
break;
case HDAC_EXT_STREAM_TYPE_HOST:
- spin_lock_irq(&bus->reg_lock);
- /* couple link only if not in use */
- if (!hext_stream->link_locked)
- snd_hdac_ext_stream_decouple_locked(bus, hext_stream, false);
- snd_hdac_stream_release_locked(&hext_stream->hstream);
- spin_unlock_irq(&bus->reg_lock);
+ scoped_guard(spinlock_irq, &bus->reg_lock) {
+ /* couple link only if not in use */
+ if (!hext_stream->link_locked)
+ snd_hdac_ext_stream_decouple_locked(bus, hext_stream, false);
+ snd_hdac_stream_release_locked(&hext_stream->hstream);
+ }
break;
case HDAC_EXT_STREAM_TYPE_LINK:
- spin_lock_irq(&bus->reg_lock);
- /* couple host only if not in use */
- if (!hext_stream->hstream.opened)
- snd_hdac_ext_stream_decouple_locked(bus, hext_stream, false);
- hext_stream->link_locked = 0;
- hext_stream->link_substream = NULL;
- spin_unlock_irq(&bus->reg_lock);
+ scoped_guard(spinlock_irq, &bus->reg_lock) {
+ /* couple host only if not in use */
+ if (!hext_stream->hstream.opened)
+ snd_hdac_ext_stream_decouple_locked(bus, hext_stream, false);
+ hext_stream->link_locked = 0;
+ hext_stream->link_substream = NULL;
+ }
break;
default:
@@ -427,7 +424,7 @@ struct hdac_ext_stream *snd_hdac_ext_cstream_assign(struct hdac_bus *bus,
struct hdac_ext_stream *res = NULL;
struct hdac_stream *hstream;
- spin_lock_irq(&bus->reg_lock);
+ guard(spinlock_irq)(&bus->reg_lock);
list_for_each_entry(hstream, &bus->stream_list, list) {
struct hdac_ext_stream *hext_stream = stream_to_hdac_ext_stream(hstream);
@@ -446,7 +443,6 @@ struct hdac_ext_stream *snd_hdac_ext_cstream_assign(struct hdac_bus *bus,
res->hstream.running = 0;
res->hstream.cstream = cstream;
}
- spin_unlock_irq(&bus->reg_lock);
return res;
}
diff --git a/sound/hda/core/intel-dsp-config.c b/sound/hda/core/intel-dsp-config.c
index 3cb1e7fc3b3b..2a9e35cddcf7 100644
--- a/sound/hda/core/intel-dsp-config.c
+++ b/sound/hda/core/intel-dsp-config.c
@@ -116,6 +116,13 @@ static const struct config_entry config_table[] = {
.flags = FLAG_SST,
.device = PCI_DEVICE_ID_INTEL_HDA_FCL,
},
+#else /* AVS disabled; force to legacy as SOF doesn't work for SKL or KBL */
+ {
+ .device = PCI_DEVICE_ID_INTEL_HDA_SKL_LP,
+ },
+ {
+ .device = PCI_DEVICE_ID_INTEL_HDA_KBL_LP,
+ },
#endif
#if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
{
@@ -167,9 +174,9 @@ static const struct config_entry config_table[] = {
/*
* CoffeeLake, CannonLake, CometLake, IceLake, TigerLake, AlderLake,
- * RaptorLake use legacy HDAudio driver except for Google Chromebooks
- * and when DMICs are present. Two cases are required since Coreboot
- * does not expose NHLT tables.
+ * RaptorLake, MeteorLake use legacy HDAudio driver except for Google
+ * Chromebooks and when DMICs are present. Two cases are required since
+ * Coreboot does not expose NHLT tables.
*
* When the Chromebook quirk is not present, it's based on information
* that no such device exists. When the quirk is present, it could be
@@ -517,6 +524,19 @@ static const struct config_entry config_table[] = {
#if IS_ENABLED(CONFIG_SND_SOC_SOF_METEORLAKE)
/* Meteorlake-P */
{
+ .flags = FLAG_SOF,
+ .device = PCI_DEVICE_ID_INTEL_HDA_MTL,
+ .dmi_table = (const struct dmi_system_id []) {
+ {
+ .ident = "Google Chromebooks",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Google"),
+ }
+ },
+ {}
+ }
+ },
+ {
.flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
.device = PCI_DEVICE_ID_INTEL_HDA_MTL,
},
@@ -630,6 +650,8 @@ static int snd_intel_dsp_check_soundwire(struct pci_dev *pci)
int ret;
handle = ACPI_HANDLE(&pci->dev);
+ if (!handle)
+ return -ENODEV;
ret = sdw_intel_acpi_scan(handle, &info);
if (ret < 0)
diff --git a/sound/hda/core/regmap.c b/sound/hda/core/regmap.c
index 97cee096a286..e7b866fc52c1 100644
--- a/sound/hda/core/regmap.c
+++ b/sound/hda/core/regmap.c
@@ -425,15 +425,11 @@ EXPORT_SYMBOL_GPL(snd_hdac_regmap_add_vendor_verb);
static int reg_raw_write(struct hdac_device *codec, unsigned int reg,
unsigned int val)
{
- int err;
-
- mutex_lock(&codec->regmap_lock);
+ guard(mutex)(&codec->regmap_lock);
if (!codec->regmap)
- err = hda_reg_write(codec, reg, val);
+ return hda_reg_write(codec, reg, val);
else
- err = regmap_write(codec->regmap, reg, val);
- mutex_unlock(&codec->regmap_lock);
- return err;
+ return regmap_write(codec->regmap, reg, val);
}
/* a helper macro to call @func_call; retry with power-up if failed */
@@ -466,15 +462,11 @@ EXPORT_SYMBOL_GPL(snd_hdac_regmap_write_raw);
static int reg_raw_read(struct hdac_device *codec, unsigned int reg,
unsigned int *val, bool uncached)
{
- int err;
-
- mutex_lock(&codec->regmap_lock);
+ guard(mutex)(&codec->regmap_lock);
if (uncached || !codec->regmap)
- err = hda_reg_read(codec, reg, val);
+ return hda_reg_read(codec, reg, val);
else
- err = regmap_read(codec->regmap, reg, val);
- mutex_unlock(&codec->regmap_lock);
- return err;
+ return regmap_read(codec->regmap, reg, val);
}
static int __snd_hdac_regmap_read_raw(struct hdac_device *codec,
@@ -515,7 +507,7 @@ static int reg_raw_update(struct hdac_device *codec, unsigned int reg,
bool change;
int err;
- mutex_lock(&codec->regmap_lock);
+ guard(mutex)(&codec->regmap_lock);
if (codec->regmap) {
err = regmap_update_bits_check(codec->regmap, reg, mask, val,
&change);
@@ -533,7 +525,6 @@ static int reg_raw_update(struct hdac_device *codec, unsigned int reg,
}
}
}
- mutex_unlock(&codec->regmap_lock);
return err;
}
@@ -556,17 +547,14 @@ EXPORT_SYMBOL_GPL(snd_hdac_regmap_update_raw);
static int reg_raw_update_once(struct hdac_device *codec, unsigned int reg,
unsigned int mask, unsigned int val)
{
- int err = 0;
-
if (!codec->regmap)
return reg_raw_update(codec, reg, mask, val);
- mutex_lock(&codec->regmap_lock);
+ guard(mutex)(&codec->regmap_lock);
/* Discard any updates to already initialised registers. */
if (!regcache_reg_cached(codec->regmap, reg))
- err = regmap_update_bits(codec->regmap, reg, mask, val);
- mutex_unlock(&codec->regmap_lock);
- return err;
+ return regmap_update_bits(codec->regmap, reg, mask, val);
+ return 0;
}
/**
@@ -593,9 +581,8 @@ EXPORT_SYMBOL_GPL(snd_hdac_regmap_update_raw_once);
*/
void snd_hdac_regmap_sync(struct hdac_device *codec)
{
- mutex_lock(&codec->regmap_lock);
+ guard(mutex)(&codec->regmap_lock);
if (codec->regmap)
regcache_sync(codec->regmap);
- mutex_unlock(&codec->regmap_lock);
}
EXPORT_SYMBOL_GPL(snd_hdac_regmap_sync);
diff --git a/sound/hda/core/stream.c b/sound/hda/core/stream.c
index 4a87bef8834f..579ec544ef4a 100644
--- a/sound/hda/core/stream.c
+++ b/sound/hda/core/stream.c
@@ -370,7 +370,7 @@ struct hdac_stream *snd_hdac_stream_assign(struct hdac_bus *bus,
if (substream->pcm)
key |= (substream->pcm->device << 16);
- spin_lock_irq(&bus->reg_lock);
+ guard(spinlock_irq)(&bus->reg_lock);
list_for_each_entry(azx_dev, &bus->stream_list, list) {
if (azx_dev->direction != substream->stream)
continue;
@@ -389,7 +389,6 @@ struct hdac_stream *snd_hdac_stream_assign(struct hdac_bus *bus,
res->assigned_key = key;
res->substream = substream;
}
- spin_unlock_irq(&bus->reg_lock);
return res;
}
EXPORT_SYMBOL_GPL(snd_hdac_stream_assign);
@@ -419,9 +418,8 @@ void snd_hdac_stream_release(struct hdac_stream *azx_dev)
{
struct hdac_bus *bus = azx_dev->bus;
- spin_lock_irq(&bus->reg_lock);
+ guard(spinlock_irq)(&bus->reg_lock);
snd_hdac_stream_release_locked(azx_dev);
- spin_unlock_irq(&bus->reg_lock);
}
EXPORT_SYMBOL_GPL(snd_hdac_stream_release);
@@ -922,15 +920,12 @@ int snd_hdac_dsp_prepare(struct hdac_stream *azx_dev, unsigned int format,
struct hdac_bus *bus = azx_dev->bus;
int err;
- snd_hdac_dsp_lock(azx_dev);
- spin_lock_irq(&bus->reg_lock);
- if (azx_dev->running || azx_dev->locked) {
- spin_unlock_irq(&bus->reg_lock);
- err = -EBUSY;
- goto unlock;
+ guard(snd_hdac_dsp_lock)(azx_dev);
+ scoped_guard(spinlock_irq, &bus->reg_lock) {
+ if (azx_dev->running || azx_dev->locked)
+ return -EBUSY;
+ azx_dev->locked = true;
}
- azx_dev->locked = true;
- spin_unlock_irq(&bus->reg_lock);
err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV_SG, bus->dev,
byte_size, bufp);
@@ -951,17 +946,14 @@ int snd_hdac_dsp_prepare(struct hdac_stream *azx_dev, unsigned int format,
goto error;
snd_hdac_stream_setup(azx_dev, true);
- snd_hdac_dsp_unlock(azx_dev);
return azx_dev->stream_tag;
error:
snd_dma_free_pages(bufp);
err_alloc:
- spin_lock_irq(&bus->reg_lock);
- azx_dev->locked = false;
- spin_unlock_irq(&bus->reg_lock);
- unlock:
- snd_hdac_dsp_unlock(azx_dev);
+ scoped_guard(spinlock_irq, &bus->reg_lock) {
+ azx_dev->locked = false;
+ }
return err;
}
EXPORT_SYMBOL_GPL(snd_hdac_dsp_prepare);
@@ -993,7 +985,7 @@ void snd_hdac_dsp_cleanup(struct hdac_stream *azx_dev,
if (!dmab->area || !azx_dev->locked)
return;
- snd_hdac_dsp_lock(azx_dev);
+ guard(snd_hdac_dsp_lock)(azx_dev);
/* reset BDL address */
snd_hdac_stream_writel(azx_dev, SD_BDLPL, 0);
snd_hdac_stream_writel(azx_dev, SD_BDLPU, 0);
@@ -1005,10 +997,8 @@ void snd_hdac_dsp_cleanup(struct hdac_stream *azx_dev,
snd_dma_free_pages(dmab);
dmab->area = NULL;
- spin_lock_irq(&bus->reg_lock);
+ guard(spinlock_irq)(&bus->reg_lock);
azx_dev->locked = false;
- spin_unlock_irq(&bus->reg_lock);
- snd_hdac_dsp_unlock(azx_dev);
}
EXPORT_SYMBOL_GPL(snd_hdac_dsp_cleanup);
#endif /* CONFIG_SND_HDA_DSP_LOADER */
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-03 17:38:08 +0000