[PATCH v4 24/29] ASoC: codecs: rt711: Use guard() for mutex locks
[email protected] Tue, 21 Jul 2026 17:25:55 +0700
Newsgroups
org.infradead.lists.linux-mediatek,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-kernel,org.kernel.vger.linux-sound
Message-ID
<[email protected] >
From: bui duc phuc <[email protected] >
Clean up the code using guard() for mutex locks.
Merely code refactoring, and no behavior change.
Signed-off-by: bui duc phuc <[email protected] >
---
sound/soc/codecs/rt711-sdca-sdw.c | 29 ++++++++++--------
sound/soc/codecs/rt711-sdca.c | 5 ++--
sound/soc/codecs/rt711-sdw.c | 24 +++++++--------
sound/soc/codecs/rt711.c | 50 +++++++++++++++----------------
4 files changed, 54 insertions(+), 54 deletions(-)
diff --git a/sound/soc/codecs/rt711-sdca-sdw.c b/sound/soc/codecs/rt711-sdca-sdw.c
index e028a1c3a9ac..e292b28b029e 100644
--- a/sound/soc/codecs/rt711-sdca-sdw.c
+++ b/sound/soc/codecs/rt711-sdca-sdw.c
@@ -6,6 +6,7 @@
//
//
+#include <linux/cleanup.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/soundwire/sdw_registers.h>
@@ -415,13 +416,13 @@ static int rt711_sdca_dev_system_suspend(struct device *dev)
* deferred work completes and before the parent disables
* interrupts on the link
*/
- mutex_lock(&rt711_sdca->disable_irq_lock);
- rt711_sdca->disable_irq = true;
- ret1 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK1,
- SDW_SCP_SDCA_INTMASK_SDCA_0, 0);
- ret2 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK2,
- SDW_SCP_SDCA_INTMASK_SDCA_8, 0);
- mutex_unlock(&rt711_sdca->disable_irq_lock);
+ scoped_guard(mutex, &rt711_sdca->disable_irq_lock) {
+ rt711_sdca->disable_irq = true;
+ ret1 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK1,
+ SDW_SCP_SDCA_INTMASK_SDCA_0, 0);
+ ret2 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK2,
+ SDW_SCP_SDCA_INTMASK_SDCA_8, 0);
+ }
if (ret1 < 0 || ret2 < 0) {
/* log but don't prevent suspend from happening */
@@ -443,13 +444,15 @@ static int rt711_sdca_dev_resume(struct device *dev)
return 0;
if (!slave->unattach_request) {
- mutex_lock(&rt711->disable_irq_lock);
- if (rt711->disable_irq == true) {
- sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK1, SDW_SCP_SDCA_INTMASK_SDCA_0);
- sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK2, SDW_SCP_SDCA_INTMASK_SDCA_8);
- rt711->disable_irq = false;
+ scoped_guard(mutex, &rt711->disable_irq_lock) {
+ if (rt711->disable_irq) {
+ sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK1,
+ SDW_SCP_SDCA_INTMASK_SDCA_0);
+ sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK2,
+ SDW_SCP_SDCA_INTMASK_SDCA_8);
+ rt711->disable_irq = false;
+ }
}
- mutex_unlock(&rt711->disable_irq_lock);
}
ret = sdw_slave_wait_for_init(slave, RT711_PROBE_TIMEOUT);
diff --git a/sound/soc/codecs/rt711-sdca.c b/sound/soc/codecs/rt711-sdca.c
index 3a26c782d800..9781f289f8ad 100644
--- a/sound/soc/codecs/rt711-sdca.c
+++ b/sound/soc/codecs/rt711-sdca.c
@@ -6,6 +6,7 @@
//
//
+#include <linux/cleanup.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
@@ -450,7 +451,7 @@ static void rt711_sdca_btn_check_handler(struct work_struct *work)
static void rt711_sdca_jack_init(struct rt711_sdca_priv *rt711)
{
- mutex_lock(&rt711->calibrate_mutex);
+ guard(mutex)(&rt711->calibrate_mutex);
if (rt711->hs_jack) {
/* Enable HID1 event & set button RTC mode */
@@ -515,8 +516,6 @@ static void rt711_sdca_jack_init(struct rt711_sdca_priv *rt711)
dev_dbg(&rt711->slave->dev, "in %s disable\n", __func__);
}
-
- mutex_unlock(&rt711->calibrate_mutex);
}
static int rt711_sdca_set_jack_detect(struct snd_soc_component *component,
diff --git a/sound/soc/codecs/rt711-sdw.c b/sound/soc/codecs/rt711-sdw.c
index a0c6a9efa840..4ad2b1da1954 100644
--- a/sound/soc/codecs/rt711-sdw.c
+++ b/sound/soc/codecs/rt711-sdw.c
@@ -6,6 +6,7 @@
//
//
+#include <linux/cleanup.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/soundwire/sdw.h>
@@ -422,12 +423,11 @@ static int rt711_interrupt_callback(struct sdw_slave *slave,
dev_dbg(&slave->dev,
"%s control_port_stat=%x", __func__, status->control_port);
- mutex_lock(&rt711->disable_irq_lock);
+ guard(mutex)(&rt711->disable_irq_lock);
if (status->control_port & 0x4 && !rt711->disable_irq) {
mod_delayed_work(system_power_efficient_wq,
&rt711->jack_detect_work, msecs_to_jiffies(250));
}
- mutex_unlock(&rt711->disable_irq_lock);
return 0;
}
@@ -509,11 +509,11 @@ static int rt711_dev_system_suspend(struct device *dev)
* deferred work completes and before the parent disables
* interrupts on the link
*/
- mutex_lock(&rt711->disable_irq_lock);
- rt711->disable_irq = true;
- ret = sdw_update_no_pm(slave, SDW_SCP_INTMASK1,
- SDW_SCP_INT1_IMPL_DEF, 0);
- mutex_unlock(&rt711->disable_irq_lock);
+ scoped_guard(mutex, &rt711->disable_irq_lock) {
+ rt711->disable_irq = true;
+ ret = sdw_update_no_pm(slave, SDW_SCP_INTMASK1,
+ SDW_SCP_INT1_IMPL_DEF, 0);
+ }
if (ret < 0) {
/* log but don't prevent suspend from happening */
@@ -535,12 +535,12 @@ static int rt711_dev_resume(struct device *dev)
return 0;
if (!slave->unattach_request) {
- mutex_lock(&rt711->disable_irq_lock);
- if (rt711->disable_irq == true) {
- sdw_write_no_pm(slave, SDW_SCP_INTMASK1, SDW_SCP_INT1_IMPL_DEF);
- rt711->disable_irq = false;
+ scoped_guard(mutex, &rt711->disable_irq_lock) {
+ if (rt711->disable_irq) {
+ sdw_write_no_pm(slave, SDW_SCP_INTMASK1, SDW_SCP_INT1_IMPL_DEF);
+ rt711->disable_irq = false;
+ }
}
- mutex_unlock(&rt711->disable_irq_lock);
}
ret = sdw_slave_wait_for_init(slave, RT711_PROBE_TIMEOUT);
diff --git a/sound/soc/codecs/rt711.c b/sound/soc/codecs/rt711.c
index 5dbe9b67703e..3e49c3d0f25b 100644
--- a/sound/soc/codecs/rt711.c
+++ b/sound/soc/codecs/rt711.c
@@ -6,6 +6,7 @@
//
//
+#include <linux/cleanup.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
@@ -89,24 +90,24 @@ static int rt711_calibration(struct rt711_priv *rt711)
struct regmap *regmap = rt711->regmap;
int ret = 0;
- mutex_lock(&rt711->calibrate_mutex);
+ guard(mutex)(&rt711->calibrate_mutex);
regmap_write(rt711->regmap,
- RT711_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
+ RT711_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
dev = regmap_get_device(regmap);
/* Calibration manual mode */
rt711_index_update_bits(regmap, RT711_VENDOR_REG, RT711_FSM_CTL,
- 0xf, 0x0);
+ 0xf, 0x0);
/* trigger */
rt711_index_update_bits(regmap, RT711_VENDOR_CALI,
- RT711_DAC_DC_CALI_CTL1, RT711_DAC_DC_CALI_TRIGGER,
- RT711_DAC_DC_CALI_TRIGGER);
+ RT711_DAC_DC_CALI_CTL1, RT711_DAC_DC_CALI_TRIGGER,
+ RT711_DAC_DC_CALI_TRIGGER);
/* wait for calibration process */
rt711_index_read(regmap, RT711_VENDOR_CALI,
- RT711_DAC_DC_CALI_CTL1, &val);
+ RT711_DAC_DC_CALI_CTL1, &val);
while (val & RT711_DAC_DC_CALI_TRIGGER) {
if (loop >= 500) {
@@ -119,16 +120,15 @@ static int rt711_calibration(struct rt711_priv *rt711)
usleep_range(10000, 11000);
rt711_index_read(regmap, RT711_VENDOR_CALI,
- RT711_DAC_DC_CALI_CTL1, &val);
+ RT711_DAC_DC_CALI_CTL1, &val);
}
/* depop mode */
rt711_index_update_bits(regmap, RT711_VENDOR_REG,
- RT711_FSM_CTL, 0xf, RT711_DEPOP_CTL);
+ RT711_FSM_CTL, 0xf, RT711_DEPOP_CTL);
regmap_write(rt711->regmap,
- RT711_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
- mutex_unlock(&rt711->calibrate_mutex);
+ RT711_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
dev_dbg(dev, "%s calibration complete, ret=%d\n", __func__, ret);
return ret;
@@ -362,24 +362,24 @@ static void rt711_jack_init(struct rt711_priv *rt711)
{
struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(rt711->component);
- mutex_lock(&rt711->calibrate_mutex);
+ guard(mutex)(&rt711->calibrate_mutex);
/* power on */
if (snd_soc_dapm_get_bias_level(dapm) <= SND_SOC_BIAS_STANDBY)
regmap_write(rt711->regmap,
- RT711_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
+ RT711_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
if (rt711->hs_jack) {
/* unsolicited response & IRQ control */
regmap_write(rt711->regmap,
- RT711_SET_MIC2_UNSOLICITED_ENABLE, 0x82);
+ RT711_SET_MIC2_UNSOLICITED_ENABLE, 0x82);
regmap_write(rt711->regmap,
- RT711_SET_HP_UNSOLICITED_ENABLE, 0x81);
+ RT711_SET_HP_UNSOLICITED_ENABLE, 0x81);
regmap_write(rt711->regmap,
- RT711_SET_INLINE_UNSOLICITED_ENABLE, 0x83);
+ RT711_SET_INLINE_UNSOLICITED_ENABLE, 0x83);
rt711_index_write(rt711->regmap, RT711_VENDOR_REG,
- 0x10, 0x2420);
+ 0x10, 0x2420);
rt711_index_write(rt711->regmap, RT711_VENDOR_REG,
- 0x19, 0x2e11);
+ 0x19, 0x2e11);
switch (rt711->jd_src) {
case RT711_JD1:
@@ -449,8 +449,7 @@ static void rt711_jack_init(struct rt711_priv *rt711)
/* power off */
if (snd_soc_dapm_get_bias_level(dapm) <= SND_SOC_BIAS_STANDBY)
regmap_write(rt711->regmap,
- RT711_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
- mutex_unlock(&rt711->calibrate_mutex);
+ RT711_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
}
static int rt711_set_jack_detect(struct snd_soc_component *component,
@@ -511,7 +510,7 @@ static int rt711_set_amp_gain_put(struct snd_kcontrol *kcontrol,
unsigned int read_ll, read_rl;
int i;
- mutex_lock(&rt711->calibrate_mutex);
+ guard(mutex)(&rt711->calibrate_mutex);
/* Can't use update bit function, so read the original value first */
addr_h = mc->reg;
@@ -599,7 +598,6 @@ static int rt711_set_amp_gain_put(struct snd_kcontrol *kcontrol,
regmap_write(rt711->regmap,
RT711_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
- mutex_unlock(&rt711->calibrate_mutex);
return 0;
}
@@ -908,11 +906,11 @@ static int rt711_set_bias_level(struct snd_soc_component *component,
break;
case SND_SOC_BIAS_STANDBY:
- mutex_lock(&rt711->calibrate_mutex);
- regmap_write(rt711->regmap,
- RT711_SET_AUDIO_POWER_STATE,
- AC_PWRST_D3);
- mutex_unlock(&rt711->calibrate_mutex);
+ scoped_guard(mutex, &rt711->calibrate_mutex) {
+ regmap_write(rt711->regmap,
+ RT711_SET_AUDIO_POWER_STATE,
+ AC_PWRST_D3);
+ }
break;
default:
--
2.43.0