diff options
| author | Shuming Fan <shumingf@realtek.com> | 2020-12-17 11:56:51 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-12-17 17:24:44 +0300 |
| commit | 6108f990c0887d3e8f1db2d13c7012e40a061f28 (patch) | |
| tree | 3b46c3fa4f31ef9f1914869227ccc410f4e2935a | |
| parent | bb224c3e3e41d940612d4cc9573289cdbd5cb8f5 (diff) | |
| download | linux-6108f990c0887d3e8f1db2d13c7012e40a061f28.tar.xz | |
ASoC: rt711: mutex between calibration and power state changes
To avoid calibration time-out, this patch adds the mutex between calibration and power state changes
Signed-off-by: Shuming Fan <shumingf@realtek.com>
Link: https://lore.kernel.org/r/20201217085651.24580-1-shumingf@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/codecs/rt711.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt711.c b/sound/soc/codecs/rt711.c index 5771c02c3459..85f744184a60 100644 --- a/sound/soc/codecs/rt711.c +++ b/sound/soc/codecs/rt711.c @@ -462,6 +462,8 @@ static int rt711_set_amp_gain_put(struct snd_kcontrol *kcontrol, unsigned int read_ll, read_rl; int i; + mutex_lock(&rt711->calibrate_mutex); + /* Can't use update bit function, so read the original value first */ addr_h = mc->reg; addr_l = mc->rreg; @@ -547,6 +549,8 @@ static int rt711_set_amp_gain_put(struct snd_kcontrol *kcontrol, if (dapm->bias_level <= SND_SOC_BIAS_STANDBY) regmap_write(rt711->regmap, RT711_SET_AUDIO_POWER_STATE, AC_PWRST_D3); + + mutex_unlock(&rt711->calibrate_mutex); return 0; } @@ -859,9 +863,11 @@ static int rt711_set_bias_level(struct snd_soc_component *component, break; case SND_SOC_BIAS_STANDBY: + mutex_lock(&rt711->calibrate_mutex); regmap_write(rt711->regmap, RT711_SET_AUDIO_POWER_STATE, AC_PWRST_D3); + mutex_unlock(&rt711->calibrate_mutex); break; default: |