[PATCH 16/78] ASoC: codecs: cs42l84: 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/cs42l84.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/sound/soc/codecs/cs42l84.c b/sound/soc/codecs/cs42l84.c
index f2a58163de0e..a212f6891b40 100644
--- a/sound/soc/codecs/cs42l84.c
+++ b/sound/soc/codecs/cs42l84.c
@@ -281,10 +281,9 @@ static int cs42l84_set_jack(struct snd_soc_component *component, struct snd_soc_
 	struct cs42l84_private *cs42l84 = snd_soc_component_get_drvdata(component);
 
 	/* Prevent race with interrupt handler */
-	mutex_lock(&cs42l84->irq_lock);
+	guard(mutex)(&cs42l84->irq_lock);
 	cs42l84->jack = jk;
 	snd_soc_jack_report(jk, cs42l84->hs_type, SND_JACK_HEADSET);
-	mutex_unlock(&cs42l84->irq_lock);
 
 	return 0;
 }
@@ -831,7 +830,7 @@ static irqreturn_t cs42l84_irq_thread(int irq, void *data)
 	u8 current_ring_state;
 	int i;
 
-	mutex_lock(&cs42l84->irq_lock);
+	guard(mutex)(&cs42l84->irq_lock);
 	/* Read sticky registers to clear interrupt */
 	for (i = 0; i < ARRAY_SIZE(stickies); i++) {
 		regmap_read(cs42l84->regmap, irq_params_table[i].status_addr,
@@ -902,8 +901,6 @@ static irqreturn_t cs42l84_irq_thread(int irq, void *data)
 				break;
 			}
 
-			mutex_unlock(&cs42l84->irq_lock);
-
 			return IRQ_HANDLED;
 		}
 
@@ -919,8 +916,6 @@ static irqreturn_t cs42l84_irq_thread(int irq, void *data)
 		}
 	}
 
-	mutex_unlock(&cs42l84->irq_lock);
-
 	return IRQ_HANDLED;
 }
 
-- 
2.43.0