[PATCH 21/26] ASoC: codecs: wm8958: Use guard() for mutex locks

From: phucduc . bui

Date: Thu Jul 23 2026 - 01:13:37 EST


From: bui duc phuc <phucduc.bui@xxxxxxxxx>

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

Signed-off-by: bui duc phuc <phucduc.bui@xxxxxxxxx>
---
sound/soc/codecs/wm8958-dsp2.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/sound/soc/codecs/wm8958-dsp2.c b/sound/soc/codecs/wm8958-dsp2.c
index 8ff0882732e7..f75a6dc9d2bb 100644
--- a/sound/soc/codecs/wm8958-dsp2.c
+++ b/sound/soc/codecs/wm8958-dsp2.c
@@ -7,6 +7,7 @@
* Author: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
*/

+#include <linux/cleanup.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
@@ -864,9 +865,8 @@ static void wm8958_enh_eq_loaded(const struct firmware *fw, void *context)
struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);

if (fw && (wm8958_dsp2_fw(component, "ENH_EQ", fw, true) == 0)) {
- mutex_lock(&wm8994->fw_lock);
+ guard(mutex)(&wm8994->fw_lock);
wm8994->enh_eq = fw;
- mutex_unlock(&wm8994->fw_lock);
}
}

@@ -876,9 +876,8 @@ static void wm8958_mbc_vss_loaded(const struct firmware *fw, void *context)
struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);

if (fw && (wm8958_dsp2_fw(component, "MBC+VSS", fw, true) == 0)) {
- mutex_lock(&wm8994->fw_lock);
+ guard(mutex)(&wm8994->fw_lock);
wm8994->mbc_vss = fw;
- mutex_unlock(&wm8994->fw_lock);
}
}

@@ -888,9 +887,8 @@ static void wm8958_mbc_loaded(const struct firmware *fw, void *context)
struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);

if (fw && (wm8958_dsp2_fw(component, "MBC", fw, true) == 0)) {
- mutex_lock(&wm8994->fw_lock);
+ guard(mutex)(&wm8994->fw_lock);
wm8994->mbc = fw;
- mutex_unlock(&wm8994->fw_lock);
}
}

--
2.43.0