diff options
| -rw-r--r-- | sound/soc/codecs/wm2000.c | 28 |
1 files changed, 7 insertions, 21 deletions
diff --git a/sound/soc/codecs/wm2000.c b/sound/soc/codecs/wm2000.c index 9b68ee69324b..897b0acac5f3 100644 --- a/sound/soc/codecs/wm2000.c +++ b/sound/soc/codecs/wm2000.c @@ -23,6 +23,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/firmware.h> +#include <linux/cleanup.h> #include <linux/clk.h> #include <linux/delay.h> #include <linux/pm.h> @@ -612,20 +613,15 @@ static int wm2000_anc_mode_put(struct snd_kcontrol *kcontrol, struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct wm2000_priv *wm2000 = dev_get_drvdata(component->dev); unsigned int anc_active = ucontrol->value.integer.value[0]; - int ret; if (anc_active > 1) return -EINVAL; - mutex_lock(&wm2000->lock); + guard(mutex)(&wm2000->lock); wm2000->anc_active = anc_active; - ret = wm2000_anc_set_mode(wm2000); - - mutex_unlock(&wm2000->lock); - - return ret; + return wm2000_anc_set_mode(wm2000); } static int wm2000_speaker_get(struct snd_kcontrol *kcontrol, @@ -645,20 +641,15 @@ static int wm2000_speaker_put(struct snd_kcontrol *kcontrol, struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct wm2000_priv *wm2000 = dev_get_drvdata(component->dev); unsigned int val = ucontrol->value.integer.value[0]; - int ret; if (val > 1) return -EINVAL; - mutex_lock(&wm2000->lock); + guard(mutex)(&wm2000->lock); wm2000->spk_ena = val; - ret = wm2000_anc_set_mode(wm2000); - - mutex_unlock(&wm2000->lock); - - return ret; + return wm2000_anc_set_mode(wm2000); } static const struct snd_kcontrol_new wm2000_controls[] = { @@ -676,9 +667,8 @@ static int wm2000_anc_power_event(struct snd_soc_dapm_widget *w, { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct wm2000_priv *wm2000 = dev_get_drvdata(component->dev); - int ret; - mutex_lock(&wm2000->lock); + guard(mutex)(&wm2000->lock); if (SND_SOC_DAPM_EVENT_ON(event)) wm2000->anc_eng_ena = 1; @@ -686,11 +676,7 @@ static int wm2000_anc_power_event(struct snd_soc_dapm_widget *w, if (SND_SOC_DAPM_EVENT_OFF(event)) wm2000->anc_eng_ena = 0; - ret = wm2000_anc_set_mode(wm2000); - - mutex_unlock(&wm2000->lock); - - return ret; + return wm2000_anc_set_mode(wm2000); } static const struct snd_soc_dapm_widget wm2000_dapm_widgets[] = { |