[PATCH v2 24/27] ASoC: codecs: rt711: Use guard() for mutex locks

[phucduc.bui@gmail.com]

From: bui duc phuc <phucduc.bui@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@gmail.com>
---
 sound/soc/codecs/rt711-sdca-sdw.c | 30 ++++++++++----------
 sound/soc/codecs/rt711-sdca.c     |  8 ++----
 sound/soc/codecs/rt711-sdw.c      | 24 ++++++++--------
 sound/soc/codecs/rt711.c          | 46 +++++++++++++++----------------
 4 files changed, 53 insertions(+), 55 deletions(-)

diff --git a/sound/soc/codecs/rt711-sdca-sdw.c b/sound/soc/codecs/rt711-sdca-sdw.c
index 461315844ba9..c8dfdec65e61 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/mod_devicetable.h>
@@ -331,7 +332,6 @@ static int rt711_sdca_interrupt_callback(struct sdw_slave *slave,
 	if (status->sdca_cascade && !rt711->disable_irq)
 		mod_delayed_work(system_power_efficient_wq,
 			&rt711->jack_detect_work, msecs_to_jiffies(30));
-
 	mutex_unlock(&rt711->disable_irq_lock);
 
 	return 0;
@@ -416,13 +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 */
@@ -444,13 +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..e93ad34fb545 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>
@@ -107,7 +108,7 @@ static int rt711_sdca_calibration(struct rt711_sdca_priv *rt711)
 	int chk_cnt = 100;
 	int ret = 0;
 
-	mutex_lock(&rt711->calibrate_mutex);
+	guard(mutex)(&rt711->calibrate_mutex);
 	dev = regmap_get_device(regmap);
 
 	regmap_read(rt711->regmap, RT711_RC_CAL_STATUS, &val);
@@ -178,7 +179,6 @@ static int rt711_sdca_calibration(struct rt711_sdca_priv *rt711)
 	rt711_sdca_index_write(rt711, RT711_VENDOR_REG,
 		RT711_DIGITAL_MISC_CTRL4, 0x201b);
 
-	mutex_unlock(&rt711->calibrate_mutex);
 	dev_dbg(dev, "%s calibration complete, ret=%d\n", __func__, ret);
 	return ret;
 }
@@ -450,7 +450,7 @@ 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 +515,6 @@ 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 df3c43f2ab6b..71a9a8761ab5 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/mod_devicetable.h>
@@ -423,12 +424,11 @@ 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;
 }
@@ -510,11 +510,11 @@ 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 */
@@ -536,12 +536,12 @@ 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..5bdca5330ca4 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>
@@ -89,9 +90,9 @@ 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);
 
@@ -101,12 +102,12 @@ static int rt711_calibration(struct rt711_priv *rt711)
 
 	/* 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:
@@ -450,7 +450,6 @@ static void rt711_jack_init(struct rt711_priv *rt711)
 	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);
 }
 
 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