diff options
| -rw-r--r-- | sound/soc/codecs/wm5102.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c index b4d4137c05b4..74b775b95bfd 100644 --- a/sound/soc/codecs/wm5102.c +++ b/sound/soc/codecs/wm5102.c @@ -7,6 +7,7 @@ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> */ +#include <linux/cleanup.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> @@ -667,10 +668,9 @@ static int wm5102_out_comp_coeff_get(struct snd_kcontrol *kcontrol, struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct arizona *arizona = dev_get_drvdata(component->dev->parent); - mutex_lock(&arizona->dac_comp_lock); + guard(mutex)(&arizona->dac_comp_lock); put_unaligned_be16(arizona->dac_comp_coeff, ucontrol->value.bytes.data); - mutex_unlock(&arizona->dac_comp_lock); return 0; } @@ -681,16 +681,14 @@ static int wm5102_out_comp_coeff_put(struct snd_kcontrol *kcontrol, struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct arizona *arizona = dev_get_drvdata(component->dev->parent); uint16_t dac_comp_coeff = get_unaligned_be16(ucontrol->value.bytes.data); - int ret = 0; - mutex_lock(&arizona->dac_comp_lock); + guard(mutex)(&arizona->dac_comp_lock); if (arizona->dac_comp_coeff != dac_comp_coeff) { arizona->dac_comp_coeff = dac_comp_coeff; - ret = 1; + return 1; } - mutex_unlock(&arizona->dac_comp_lock); - return ret; + return 0; } static int wm5102_out_comp_switch_get(struct snd_kcontrol *kcontrol, @@ -699,9 +697,8 @@ static int wm5102_out_comp_switch_get(struct snd_kcontrol *kcontrol, struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct arizona *arizona = dev_get_drvdata(component->dev->parent); - mutex_lock(&arizona->dac_comp_lock); + guard(mutex)(&arizona->dac_comp_lock); ucontrol->value.integer.value[0] = arizona->dac_comp_enabled; - mutex_unlock(&arizona->dac_comp_lock); return 0; } @@ -712,19 +709,17 @@ static int wm5102_out_comp_switch_put(struct snd_kcontrol *kcontrol, struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct arizona *arizona = dev_get_drvdata(component->dev->parent); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; - int ret = 0; if (ucontrol->value.integer.value[0] > mc->max) return -EINVAL; - mutex_lock(&arizona->dac_comp_lock); + guard(mutex)(&arizona->dac_comp_lock); if (arizona->dac_comp_enabled != ucontrol->value.integer.value[0]) { arizona->dac_comp_enabled = ucontrol->value.integer.value[0]; - ret = 1; + return 1; } - mutex_unlock(&arizona->dac_comp_lock); - return ret; + return 0; } static const char * const wm5102_osr_text[] = { |