[PATCH v4 24/24] ASoC: codecs: cx2072x: 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.

Reviewed-by: Cezary Rojewski <[email protected]>
Signed-off-by: bui duc phuc <[email protected]>
---

Changes in v4:
 - Correct the patch subject from cs2072x to cx2072x.

 sound/soc/codecs/cx2072x.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/cx2072x.c b/sound/soc/codecs/cx2072x.c
index 83c6cbd40804..908344ee5892 100644
--- a/sound/soc/codecs/cx2072x.c
+++ b/sound/soc/codecs/cx2072x.c
@@ -9,6 +9,7 @@
 //
 
 #include <linux/acpi.h>
+#include <linux/cleanup.h>
 #include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/gpio.h>
@@ -1408,7 +1409,7 @@ static int cx2072x_jack_status_check(void *data)
 	unsigned int type = 0;
 	int state = 0;
 
-	mutex_lock(&cx2072x->lock);
+	guard(mutex)(&cx2072x->lock);
 
 	regmap_read(cx2072x->regmap, CX2072X_PORTA_PIN_SENSE, &jack);
 	jack = jack >> 24;
@@ -1434,8 +1435,6 @@ static int cx2072x_jack_status_check(void *data)
 	/* clear interrupt */
 	regmap_write(cx2072x->regmap, CX2072X_UM_INTERRUPT_CRTL_E, 0x12 << 24);
 
-	mutex_unlock(&cx2072x->lock);
-
 	dev_dbg(codec->dev, "CX2072X_HSDETECT type=0x%X,Jack state = %x\n",
 		type, state);
 	return state;
-- 
2.43.0