github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-10-12 21:31:03 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

ASoC: codecs: wm8731: Use guard() for mutex locks

Browse Source 
Clean up the code using guard() for mutex locks.
Merely code refactoring, and no behavior change.

Reviewed-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://patch.msgid.link/20260731030648.8706-20-phucduc.bui@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
bui duc phuc 2026-07-31 10:06:41 +07:00 committed by Mark Brown
parent e396bb39a7
commit a4aaef818a
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 4 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
sound/soc/codecs/wm8731.c
View File

@ -10,6 +10,7 @@
* Based on wm8753.c by Liam Girdwood
*/
#include <linux/cleanup.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
@ -110,22 +111,20 @@ static int wm8731_put_deemph(struct snd_kcontrol *kcontrol,
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct wm8731_priv *wm8731 = snd_soc_component_get_drvdata(component);
unsigned int deemph = ucontrol->value.integer.value[0];
int ret = 0;
if (deemph > 1)
return -EINVAL;
mutex_lock(&wm8731->lock);
guard(mutex)(&wm8731->lock);
if (wm8731->deemph != deemph) {
wm8731->deemph = deemph;
wm8731_set_deemph(component);
ret = 1;
return 1;
}
mutex_unlock(&wm8731->lock);
return ret;
return 0;
}
static const DECLARE_TLV_DB_SCALE(in_tlv, -3450, 150, 0);