[PATCH 58/78] ASoC: codecs: tas675x: 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/tas675x.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/sound/soc/codecs/tas675x.c b/sound/soc/codecs/tas675x.c
index 6f89a422f3c6..c44bf9144e44 100644
--- a/sound/soc/codecs/tas675x.c
+++ b/sound/soc/codecs/tas675x.c
@@ -162,7 +162,7 @@ static int tas675x_dsp_mem_write(struct tas675x_priv *tas, u8 page, u8 reg, u32
 	 * DSP regs in a different book, therefore block
 	 * regmap access before completion.
 	 */
-	mutex_lock(&tas->io_lock);
+	guard(mutex)(&tas->io_lock);
 
 	ret = __tas675x_select_book(tas, TAS675X_BOOK_DSP);
 	if (ret)
@@ -176,7 +176,6 @@ static int tas675x_dsp_mem_write(struct tas675x_priv *tas, u8 page, u8 reg, u32
 
 out:
 	__tas675x_select_book(tas, TAS675X_BOOK_DEFAULT);
-	mutex_unlock(&tas->io_lock);
 
 	return ret;
 }
@@ -191,7 +190,7 @@ static int tas675x_dsp_mem_read(struct tas675x_priv *tas, u8 page, u8 reg, u32 *
 	 * DSP regs in a different book, therefore block
 	 * regmap access before completion.
 	 */
-	mutex_lock(&tas->io_lock);
+	guard(mutex)(&tas->io_lock);
 
 	ret = __tas675x_select_book(tas, TAS675X_BOOK_DSP);
 	if (ret)
@@ -211,7 +210,6 @@ static int tas675x_dsp_mem_read(struct tas675x_priv *tas, u8 page, u8 reg, u32 *
 
 out:
 	__tas675x_select_book(tas, TAS675X_BOOK_DEFAULT);
-	mutex_unlock(&tas->io_lock);
 
 	return ret;
 }
-- 
2.43.0