[PATCH 61/78] ASoC: codecs: tscs454: Use guard() for mutex locks
phucduc.bui at gmail.com
phucduc.bui at gmail.com
Thu Jun 18 04:08:10 PDT 2026
From: bui duc phuc <phucduc.bui at gmail.com>
Clean up the code using guard() for mutex locks.
Merely code refactoring, and no behavior change.
Signed-off-by: bui duc phuc <phucduc.bui at gmail.com>
---
sound/soc/codecs/tscs454.c | 106 ++++++++++++++-----------------------
1 file changed, 41 insertions(+), 65 deletions(-)
diff --git a/sound/soc/codecs/tscs454.c b/sound/soc/codecs/tscs454.c
index aad394937ce6..af0c21ca3a16 100644
--- a/sound/soc/codecs/tscs454.c
+++ b/sound/soc/codecs/tscs454.c
@@ -329,12 +329,10 @@ static int coeff_ram_get(struct snd_kcontrol *kcontrol,
return -EINVAL;
}
- mutex_lock(coeff_ram_lock);
-
- memcpy(ucontrol->value.bytes.data,
- &coeff_ram[ctl->addr * COEFF_SIZE], params->max);
-
- mutex_unlock(coeff_ram_lock);
+ scoped_guard(mutex, coeff_ram_lock) {
+ memcpy(ucontrol->value.bytes.data,
+ &coeff_ram[ctl->addr * COEFF_SIZE], params->max);
+ }
return 0;
}
@@ -428,15 +426,15 @@ static int coeff_ram_put(struct snd_kcontrol *kcontrol,
return -EINVAL;
}
- mutex_lock(coeff_ram_lock);
+ guard(mutex)(coeff_ram_lock);
*coeff_ram_synced = false;
memcpy(&coeff_ram[ctl->addr * COEFF_SIZE],
ucontrol->value.bytes.data, params->max);
- mutex_lock(&tscs454->pll1.lock);
- mutex_lock(&tscs454->pll2.lock);
+ guard(mutex)(&tscs454->pll1.lock);
+ guard(mutex)(&tscs454->pll2.lock);
val = snd_soc_component_read(component, R_PLLSTAT);
if (val) { /* PLLs locked */
@@ -446,18 +444,12 @@ static int coeff_ram_put(struct snd_kcontrol *kcontrol,
if (ret < 0) {
dev_err(component->dev,
"Failed to flush coeff ram cache (%d)\n", ret);
- goto exit;
+ return ret;
}
*coeff_ram_synced = true;
}
- ret = 0;
-exit:
- mutex_unlock(&tscs454->pll2.lock);
- mutex_unlock(&tscs454->pll1.lock);
- mutex_unlock(coeff_ram_lock);
-
- return ret;
+ return 0;
}
static inline int coeff_ram_sync(struct snd_soc_component *component,
@@ -465,41 +457,35 @@ static inline int coeff_ram_sync(struct snd_soc_component *component,
{
int ret;
- mutex_lock(&tscs454->dac_ram.lock);
- if (!tscs454->dac_ram.synced) {
- ret = write_coeff_ram(component, tscs454->dac_ram.cache,
- R_DACCRS, R_DACCRADD, R_DACCRWDL,
- 0x00, COEFF_RAM_COEFF_COUNT);
- if (ret < 0) {
- mutex_unlock(&tscs454->dac_ram.lock);
- return ret;
+ scoped_guard(mutex, &tscs454->dac_ram.lock) {
+ if (!tscs454->dac_ram.synced) {
+ ret = write_coeff_ram(component, tscs454->dac_ram.cache,
+ R_DACCRS, R_DACCRADD, R_DACCRWDL,
+ 0x00, COEFF_RAM_COEFF_COUNT);
+ if (ret < 0)
+ return ret;
}
}
- mutex_unlock(&tscs454->dac_ram.lock);
- mutex_lock(&tscs454->spk_ram.lock);
- if (!tscs454->spk_ram.synced) {
- ret = write_coeff_ram(component, tscs454->spk_ram.cache,
- R_SPKCRS, R_SPKCRADD, R_SPKCRWDL,
- 0x00, COEFF_RAM_COEFF_COUNT);
- if (ret < 0) {
- mutex_unlock(&tscs454->spk_ram.lock);
- return ret;
+ scoped_guard(mutex, &tscs454->spk_ram.lock) {
+ if (!tscs454->spk_ram.synced) {
+ ret = write_coeff_ram(component, tscs454->spk_ram.cache,
+ R_SPKCRS, R_SPKCRADD, R_SPKCRWDL,
+ 0x00, COEFF_RAM_COEFF_COUNT);
+ if (ret < 0)
+ return ret;
}
}
- mutex_unlock(&tscs454->spk_ram.lock);
- mutex_lock(&tscs454->sub_ram.lock);
- if (!tscs454->sub_ram.synced) {
- ret = write_coeff_ram(component, tscs454->sub_ram.cache,
- R_SUBCRS, R_SUBCRADD, R_SUBCRWDL,
- 0x00, COEFF_RAM_COEFF_COUNT);
- if (ret < 0) {
- mutex_unlock(&tscs454->sub_ram.lock);
- return ret;
+ scoped_guard(mutex, &tscs454->sub_ram.lock) {
+ if (!tscs454->sub_ram.synced) {
+ ret = write_coeff_ram(component, tscs454->sub_ram.cache,
+ R_SUBCRS, R_SUBCRADD, R_SUBCRWDL,
+ 0x00, COEFF_RAM_COEFF_COUNT);
+ if (ret < 0)
+ return ret;
}
}
- mutex_unlock(&tscs454->sub_ram.lock);
return 0;
}
@@ -658,16 +644,14 @@ static int set_sysclk(struct snd_soc_component *component)
static inline void reserve_pll(struct pll *pll)
{
- mutex_lock(&pll->lock);
+ guard(mutex)(&pll->lock);
pll->users++;
- mutex_unlock(&pll->lock);
}
static inline void free_pll(struct pll *pll)
{
- mutex_lock(&pll->lock);
+ guard(mutex)(&pll->lock);
pll->users--;
- mutex_unlock(&pll->lock);
}
static int pll_connected(struct snd_soc_dapm_widget *source,
@@ -679,15 +663,13 @@ static int pll_connected(struct snd_soc_dapm_widget *source,
int users;
if (strstr(source->name, "PLL 1")) {
- mutex_lock(&tscs454->pll1.lock);
- users = tscs454->pll1.users;
- mutex_unlock(&tscs454->pll1.lock);
+ scoped_guard(mutex, &tscs454->pll1.lock)
+ users = tscs454->pll1.users;
dev_dbg(component->dev, "%s(): PLL 1 users = %d\n", __func__,
users);
} else {
- mutex_lock(&tscs454->pll2.lock);
- users = tscs454->pll2.users;
- mutex_unlock(&tscs454->pll2.lock);
+ scoped_guard(mutex, &tscs454->pll2.lock)
+ users = tscs454->pll2.users;
dev_dbg(component->dev, "%s(): PLL 2 users = %d\n", __func__,
users);
}
@@ -806,7 +788,7 @@ static inline int aif_free(struct snd_soc_component *component,
{
struct tscs454 *tscs454 = snd_soc_component_get_drvdata(component);
- mutex_lock(&tscs454->aifs_status_lock);
+ guard(mutex)(&tscs454->aifs_status_lock);
dev_dbg(component->dev, "%s(): aif %d\n", __func__, aif->id);
@@ -829,8 +811,6 @@ static inline int aif_free(struct snd_soc_component *component,
free_pll(tscs454->internal_rate.pll);
}
- mutex_unlock(&tscs454->aifs_status_lock);
-
return 0;
}
@@ -3174,7 +3154,7 @@ static int tscs454_hw_params(struct snd_pcm_substream *substream,
unsigned int val;
int ret;
- mutex_lock(&tscs454->aifs_status_lock);
+ guard(mutex)(&tscs454->aifs_status_lock);
dev_dbg(component->dev, "%s(): aif %d fs = %u\n", __func__,
aif->id, fs);
@@ -3207,14 +3187,14 @@ static int tscs454_hw_params(struct snd_pcm_substream *substream,
ret = set_aif_fs(component, aif->id, fs);
if (ret < 0) {
dev_err(component->dev, "Failed to set aif fs (%d)\n", ret);
- goto exit;
+ return ret;
}
ret = set_aif_sample_format(component, params_format(params), aif->id);
if (ret < 0) {
dev_err(component->dev,
"Failed to set aif sample format (%d)\n", ret);
- goto exit;
+ return ret;
}
set_aif_status_active(&tscs454->aifs_status, aif->id,
@@ -3223,11 +3203,7 @@ static int tscs454_hw_params(struct snd_pcm_substream *substream,
dev_dbg(component->dev, "Set aif %d active. Streams status is 0x%x\n",
aif->id, tscs454->aifs_status.streams);
- ret = 0;
-exit:
- mutex_unlock(&tscs454->aifs_status_lock);
-
- return ret;
+ return 0;
}
static int tscs454_hw_free(struct snd_pcm_substream *substream,
--
2.43.0
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