[PATCH 24/26] ASoC: codecs: wm971x: Use guard() for mutex locks

[phucduc . bui]

From: bui duc phuc <phucduc.bui@xxxxxxxxx>

Clean up the code using guard() for mutex locks.
Merely code refactoring, and no behavior change.

Signed-off-by: bui duc phuc <phucduc.bui@xxxxxxxxx>
---
 sound/soc/codecs/wm9712.c | 5 ++---
 sound/soc/codecs/wm9713.c | 5 ++---
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/sound/soc/codecs/wm9712.c b/sound/soc/codecs/wm9712.c
index 83cd42fa0c28..3105b2e0556f 100644
--- a/sound/soc/codecs/wm9712.c
+++ b/sound/soc/codecs/wm9712.c
@@ -6,6 +6,7 @@
  * Author: Liam Girdwood <lrg@xxxxxxxxxxxxxxx>
  */
 
+#include <linux/cleanup.h>
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/mfd/wm97xx.h>
@@ -229,7 +230,7 @@ static int wm9712_hp_mixer_put(struct snd_kcontrol *kcontrol,
 	shift = mc->shift & 0xff;
 	mask = 1 << shift;
 
-	mutex_lock(&wm9712->lock);
+	guard(mutex)(&wm9712->lock);
 	old = wm9712->hp_mixer[mixer];
 	if (ucontrol->value.integer.value[0])
 		wm9712->hp_mixer[mixer] |= mask;
@@ -251,8 +252,6 @@ static int wm9712_hp_mixer_put(struct snd_kcontrol *kcontrol,
 			&update);
 	}
 
-	mutex_unlock(&wm9712->lock);
-
 	return change;
 }
 
diff --git a/sound/soc/codecs/wm9713.c b/sound/soc/codecs/wm9713.c
index b3bbecf074ee..3ba7ca3c1770 100644
--- a/sound/soc/codecs/wm9713.c
+++ b/sound/soc/codecs/wm9713.c
@@ -11,6 +11,7 @@
  *   o Support for DAPM
  */
 
+#include <linux/cleanup.h>
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/mfd/wm97xx.h>
@@ -238,7 +239,7 @@ static int wm9713_hp_mixer_put(struct snd_kcontrol *kcontrol,
 	shift = mc->shift & 0xff;
 	mask = (1 << shift);
 
-	mutex_lock(&wm9713->lock);
+	guard(mutex)(&wm9713->lock);
 	old = wm9713->hp_mixer[mixer];
 	if (ucontrol->value.integer.value[0])
 		wm9713->hp_mixer[mixer] |= mask;
@@ -260,8 +261,6 @@ static int wm9713_hp_mixer_put(struct snd_kcontrol *kcontrol,
 			&update);
 	}
 
-	mutex_unlock(&wm9713->lock);
-
 	return change;
 }
 
-- 
2.43.0