[PATCH v3 25/27] ASoC: codecs: rt712: Use guard() for mutex locks

[phucduc.bui at gmail.com]

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/rt712-sdca-sdw.c | 30 ++++++++++++++++--------------
 sound/soc/codecs/rt712-sdca.c     |  5 ++---
 2 files changed, 18 insertions(+), 17 deletions(-)

diff --git a/sound/soc/codecs/rt712-sdca-sdw.c b/sound/soc/codecs/rt712-sdca-sdw.c
index 70d661ce2ef2..180ab8f363f2 100644
--- a/sound/soc/codecs/rt712-sdca-sdw.c
+++ b/sound/soc/codecs/rt712-sdca-sdw.c
@@ -6,6 +6,7 @@
 //
 //
 
+#include <linux/cleanup.h>
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/module.h>
@@ -427,13 +428,13 @@ static int rt712_sdca_dev_system_suspend(struct device *dev)
 	 * deferred work completes and before the parent disables
 	 * interrupts on the link
 	 */
-	mutex_lock(&rt712_sdca->disable_irq_lock);
-	rt712_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(&rt712_sdca->disable_irq_lock);
+	scoped_guard(mutex, &rt712_sdca->disable_irq_lock) {
+		rt712_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 */
@@ -455,14 +456,15 @@ static int rt712_sdca_dev_resume(struct device *dev)
 		return 0;
 
 	if (!slave->unattach_request) {
-		mutex_lock(&rt712->disable_irq_lock);
-		if (rt712->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);
-			rt712->disable_irq = false;
+		scoped_guard(mutex, &rt712->disable_irq_lock) {
+			if (rt712->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);
+				rt712->disable_irq = false;
+			}
 		}
-		mutex_unlock(&rt712->disable_irq_lock);
 	}
 
 	ret = sdw_slave_wait_for_init(slave, RT712_PROBE_TIMEOUT);
diff --git a/sound/soc/codecs/rt712-sdca.c b/sound/soc/codecs/rt712-sdca.c
index d6353af07380..2218f9918ae3 100644
--- a/sound/soc/codecs/rt712-sdca.c
+++ b/sound/soc/codecs/rt712-sdca.c
@@ -7,6 +7,7 @@
 //
 
 #include <linux/bitops.h>
+#include <linux/cleanup.h>
 #include <sound/core.h>
 #include <linux/delay.h>
 #include <linux/init.h>
@@ -403,7 +404,7 @@ static void rt712_sdca_btn_check_handler(struct work_struct *work)
 
 static void rt712_sdca_jack_init(struct rt712_sdca_priv *rt712)
 {
-	mutex_lock(&rt712->calibrate_mutex);
+	guard(mutex)(&rt712->calibrate_mutex);
 
 	if (rt712->hs_jack) {
 		/* Enable HID1 event & set button RTC mode */
@@ -450,8 +451,6 @@ static void rt712_sdca_jack_init(struct rt712_sdca_priv *rt712)
 
 		dev_dbg(&rt712->slave->dev, "in %s disable\n", __func__);
 	}
-
-	mutex_unlock(&rt712->calibrate_mutex);
 }
 
 static int rt712_sdca_set_jack_detect(struct snd_soc_component *component,
-- 
2.43.0