[PATCH 74/78] ASoC: codecs: wm8962: 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/wm8962.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index de18b1f85a32..6389990944ed 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -1568,7 +1568,7 @@ static int wm8962_dsp2_ena_put(struct snd_kcontrol *kcontrol,
 	int dsp2_running = snd_soc_component_read(component, WM8962_DSP2_POWER_MANAGEMENT) &
 		WM8962_DSP2_ENA;
 
-	mutex_lock(&wm8962->dsp2_ena_lock);
+	guard(mutex)(&wm8962->dsp2_ena_lock);
 
 	if (ucontrol->value.integer.value[0])
 		wm8962->dsp2_ena |= 1 << shift;
@@ -1576,7 +1576,7 @@ static int wm8962_dsp2_ena_put(struct snd_kcontrol *kcontrol,
 		wm8962->dsp2_ena &= ~(1 << shift);
 
 	if (wm8962->dsp2_ena == old)
-		goto out;
+		return ret;
 
 	ret = 1;
 
@@ -1587,9 +1587,6 @@ static int wm8962_dsp2_ena_put(struct snd_kcontrol *kcontrol,
 			wm8962_dsp2_stop(component);
 	}
 
-out:
-	mutex_unlock(&wm8962->dsp2_ena_lock);
-
 	return ret;
 }
 
-- 
2.43.0