[PATCH v2 10/24] ASoC: codecs: aw88399: Use guard() for mutex locks

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/aw88399.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/sound/soc/codecs/aw88399.c b/sound/soc/codecs/aw88399.c
index b2ec3503f7e2..67ea073abdb7 100644
--- a/sound/soc/codecs/aw88399.c
+++ b/sound/soc/codecs/aw88399.c
@@ -7,6 +7,7 @@
 // Author: Weidong Wang <[email protected]>
 //
 
+#include <linux/cleanup.h>
 #include <linux/crc32.h>
 #include <linux/gpio/consumer.h>
 #include <linux/i2c.h>
@@ -1140,9 +1141,8 @@ static void aw88399_startup_work(struct work_struct *work)
 	struct aw88399 *aw88399 =
 		container_of(work, struct aw88399, start_work.work);
 
-	mutex_lock(&aw88399->lock);
+	guard(mutex)(&aw88399->lock);
 	aw88399_start_pa(aw88399);
-	mutex_unlock(&aw88399->lock);
 }
 
 static void aw88399_start(struct aw88399 *aw88399, bool sync_start)
@@ -1702,11 +1702,10 @@ static int aw88399_profile_set(struct snd_kcontrol *kcontrol,
 	struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec);
 	int ret;
 
-	mutex_lock(&aw88399->lock);
+	guard(mutex)(&aw88399->lock);
 	ret = aw88399_dev_set_profile_index(aw88399->aw_pa, ucontrol->value.integer.value[0]);
 	if (ret) {
 		dev_dbg(codec->dev, "profile index does not change");
-		mutex_unlock(&aw88399->lock);
 		return 0;
 	}
 
@@ -1715,8 +1714,6 @@ static int aw88399_profile_set(struct snd_kcontrol *kcontrol,
 		aw88399_start(aw88399, AW88399_SYNC_START);
 	}
 
-	mutex_unlock(&aw88399->lock);
-
 	return 1;
 }
 
@@ -1939,12 +1936,11 @@ static int aw88399_request_firmware_file(struct aw88399 *aw88399)
 		return ret;
 	}
 
-	mutex_lock(&aw88399->lock);
+	guard(mutex)(&aw88399->lock);
 	/* aw device init */
 	ret = aw88399_dev_init(aw88399, aw88399->aw_cfg);
 	if (ret)
 		dev_err(aw88399->aw_pa->dev, "dev init failed");
-	mutex_unlock(&aw88399->lock);
 
 	return ret;
 }
@@ -1975,7 +1971,7 @@ static int aw88399_playback_event(struct snd_soc_dapm_widget *w,
 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 	struct aw88399 *aw88399 = snd_soc_component_get_drvdata(component);
 
-	mutex_lock(&aw88399->lock);
+	guard(mutex)(&aw88399->lock);
 	switch (event) {
 	case SND_SOC_DAPM_PRE_PMU:
 		aw88399_start(aw88399, AW88399_ASYNC_START);
@@ -1986,7 +1982,6 @@ static int aw88399_playback_event(struct snd_soc_dapm_widget *w,
 	default:
 		break;
 	}
-	mutex_unlock(&aw88399->lock);
 
 	return 0;
 }
-- 
2.43.0