[PATCH 06/24] ASoC: codecs: aw88081: 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/aw88081.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/sound/soc/codecs/aw88081.c b/sound/soc/codecs/aw88081.c
index d5e886a8f106..a3cc027de606 100644
--- a/sound/soc/codecs/aw88081.c
+++ b/sound/soc/codecs/aw88081.c
@@ -7,6 +7,7 @@
 // Author: Weidong Wang <wangweidong.a@xxxxxxxxxx>
 //
 
+#include <linux/cleanup.h>
 #include <linux/firmware.h>
 #include <linux/i2c.h>
 #include <linux/regmap.h>
@@ -763,9 +764,8 @@ static void aw88081_startup_work(struct work_struct *work)
 	struct aw88081 *aw88081 =
 		container_of(work, struct aw88081, start_work.work);
 
-	mutex_lock(&aw88081->lock);
+	guard(mutex)(&aw88081->lock);
 	aw88081_start_pa(aw88081);
-	mutex_unlock(&aw88081->lock);
 }
 
 static void aw88081_start(struct aw88081 *aw88081, bool sync_start)
@@ -942,11 +942,10 @@ static int aw88081_profile_set(struct snd_kcontrol *kcontrol,
 	int ret;
 
 	/* pa stop or stopping just set profile */
-	mutex_lock(&aw88081->lock);
+	guard(mutex)(&aw88081->lock);
 	ret = aw88081_dev_set_profile_index(aw88081->aw_pa, ucontrol->value.integer.value[0]);
 	if (ret) {
 		dev_dbg(codec->dev, "profile index does not change");
-		mutex_unlock(&aw88081->lock);
 		return 0;
 	}
 
@@ -955,8 +954,6 @@ static int aw88081_profile_set(struct snd_kcontrol *kcontrol,
 		aw88081_start(aw88081, AW88081_SYNC_START);
 	}
 
-	mutex_unlock(&aw88081->lock);
-
 	return 1;
 }
 
@@ -1165,11 +1162,9 @@ static int aw88081_request_firmware_file(struct aw88081 *aw88081)
 	if (ret)
 		return ret;
 
-	mutex_lock(&aw88081->lock);
-	ret = aw88081_dev_init(aw88081, aw88081->aw_cfg);
-	mutex_unlock(&aw88081->lock);
+	guard(mutex)(&aw88081->lock);
 
-	return ret;
+	return aw88081_dev_init(aw88081, aw88081->aw_cfg);
 }
 
 static int aw88081_playback_event(struct snd_soc_dapm_widget *w,
@@ -1178,7 +1173,7 @@ static int aw88081_playback_event(struct snd_soc_dapm_widget *w,
 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 	struct aw88081 *aw88081 = snd_soc_component_get_drvdata(component);
 
-	mutex_lock(&aw88081->lock);
+	guard(mutex)(&aw88081->lock);
 	switch (event) {
 	case SND_SOC_DAPM_PRE_PMU:
 		aw88081_start(aw88081, AW88081_ASYNC_START);
@@ -1189,7 +1184,6 @@ static int aw88081_playback_event(struct snd_soc_dapm_widget *w,
 	default:
 		break;
 	}
-	mutex_unlock(&aw88081->lock);
 
 	return 0;
 }
-- 
2.43.0