diff options
| author | bui duc phuc <phucduc.bui@gmail.com> | 2026-07-31 10:06:34 +0700 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2026-07-31 16:30:53 +0100 |
| commit | dabbe0eb4e40bbf0d10342dd80d303a4071caad7 (patch) | |
| tree | 051f5b03d50ec0d8758c452ac2c29a379ed64cc0 | |
| parent | ff8af50301922a46ae9c90fb1f3ad1654c1c7101 (diff) | |
| download | linux-next-dabbe0eb4e40bbf0d10342dd80d303a4071caad7.tar.gz linux-next-dabbe0eb4e40bbf0d10342dd80d303a4071caad7.zip | |
ASoC: codecs: wcd934x: Use guard() for mutex locks
Clean up the code using guard() for mutex locks.
Merely code refactoring, and no behavior change.
Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://patch.msgid.link/20260731030648.8706-13-phucduc.bui@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/codecs/wcd934x.c | 42 |
1 files changed, 15 insertions, 27 deletions
diff --git a/sound/soc/codecs/wcd934x.c b/sound/soc/codecs/wcd934x.c index a9e6f2923099..caca5cc25100 100644 --- a/sound/soc/codecs/wcd934x.c +++ b/sound/soc/codecs/wcd934x.c @@ -1265,13 +1265,10 @@ static int wcd934x_set_sido_input_src(struct wcd934x_codec *wcd, int sido_src) static int wcd934x_enable_ana_bias_and_sysclk(struct wcd934x_codec *wcd) { - mutex_lock(&wcd->sysclk_mutex); - - if (++wcd->sysclk_users != 1) { - mutex_unlock(&wcd->sysclk_mutex); - return 0; + scoped_guard(mutex, &wcd->sysclk_mutex) { + if (++wcd->sysclk_users != 1) + return 0; } - mutex_unlock(&wcd->sysclk_mutex); regmap_update_bits(wcd->regmap, WCD934X_ANA_BIAS, WCD934X_ANA_BIAS_EN_MASK, @@ -1328,12 +1325,10 @@ static int wcd934x_enable_ana_bias_and_sysclk(struct wcd934x_codec *wcd) static int wcd934x_disable_ana_bias_and_syclk(struct wcd934x_codec *wcd) { - mutex_lock(&wcd->sysclk_mutex); - if (--wcd->sysclk_users != 0) { - mutex_unlock(&wcd->sysclk_mutex); - return 0; + scoped_guard(mutex, &wcd->sysclk_mutex) { + if (--wcd->sysclk_users != 0) + return 0; } - mutex_unlock(&wcd->sysclk_mutex); regmap_update_bits(wcd->regmap, WCD934X_CLK_SYS_MCLK_PRG, WCD934X_EXT_CLK_BUF_EN_MASK | @@ -2384,7 +2379,7 @@ static int wcd934x_micbias_control(struct snd_soc_component *component, __func__, micb_num); return -EINVAL; } - mutex_lock(&wcd934x->micb_lock); + guard(mutex)(&wcd934x->micb_lock); switch (req) { case MICB_PULLUP_ENABLE: @@ -2446,8 +2441,6 @@ static int wcd934x_micbias_control(struct snd_soc_component *component, break; } - mutex_unlock(&wcd934x->micb_lock); - return 0; } @@ -2488,7 +2481,7 @@ static int wcd934x_mbhc_micb_adjust_voltage(struct snd_soc_component *component, int req_volt, int micb_num) { struct wcd934x_codec *wcd934x = snd_soc_component_get_drvdata(component); - int cur_vout_ctl, req_vout_ctl, micb_reg, micb_en, ret = 0; + int cur_vout_ctl, req_vout_ctl, micb_reg, micb_en; switch (micb_num) { case MIC_BIAS_1: @@ -2506,7 +2499,7 @@ static int wcd934x_mbhc_micb_adjust_voltage(struct snd_soc_component *component, default: return -EINVAL; } - mutex_lock(&wcd934x->micb_lock); + guard(mutex)(&wcd934x->micb_lock); /* * If requested micbias voltage is same as current micbias * voltage, then just return. Otherwise, adjust voltage as @@ -2521,15 +2514,11 @@ static int wcd934x_mbhc_micb_adjust_voltage(struct snd_soc_component *component, WCD934X_MICB_VAL_MASK); req_vout_ctl = wcd_get_micb_vout_ctl_val(component->dev, req_volt); - if (req_vout_ctl < 0) { - ret = -EINVAL; - goto exit; - } + if (req_vout_ctl < 0) + return -EINVAL; - if (cur_vout_ctl == req_vout_ctl) { - ret = 0; - goto exit; - } + if (cur_vout_ctl == req_vout_ctl) + return 0; if (micb_en == WCD934X_MICB_ENABLE) snd_soc_component_write_field(component, micb_reg, @@ -2550,9 +2539,8 @@ static int wcd934x_mbhc_micb_adjust_voltage(struct snd_soc_component *component, */ usleep_range(2000, 2100); } -exit: - mutex_unlock(&wcd934x->micb_lock); - return ret; + + return 0; } static int wcd934x_mbhc_micb_ctrl_threshold_mic(struct snd_soc_component *component, |