[PATCH 69/78] ASoC: codecs: wm2000: Use guard() for mutex locks
| Newsgroups | dev.linux.lists.chrome-platform,dev.linux.lists.asahi,org.infradead.lists.linux-arm-kernel,org.infradead.lists.linux-mediatek,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-kernel,org.kernel.vger.linux-sound |
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| Message-ID | <[email protected]> |
From: bui duc phuc <[email protected]> Clean up the code using guard() for mutex locks. Merely code refactoring, and no behavior change. Signed-off-by: bui duc phuc <[email protected]> --- sound/soc/codecs/wm2000.c | 27 ++++++--------------------- 1 file changed, 6 insertions(+), 21 deletions(-) diff --git a/sound/soc/codecs/wm2000.c b/sound/soc/codecs/wm2000.c index 9b68ee69324b..775f138fdf3f 100644 --- a/sound/soc/codecs/wm2000.c +++ b/sound/soc/codecs/wm2000.c @@ -612,20 +612,15 @@ 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 +640,15 @@ 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 +666,8 @@ 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 +675,7 @@ 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[] = { -- 2.43.0