From: Nicolas Boichat Date: Wed, 10 Jun 2015 03:54:13 +0000 (+0800) Subject: ASoC: rt5645: Lock mutex in rt5645_enable_push_button_irq X-Git-Tag: v4.2-rc1~109^2~2^2~11^2~7 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=22f5d9f8217656fc30a038d1ebb5a68f03b57a65;p=karo-tx-linux.git ASoC: rt5645: Lock mutex in rt5645_enable_push_button_irq rt5645_enable_push_button_irq uses snd_soc_dapm_*_unlocked functions, so it needs to lock the required dapm mutex. Signed-off-by: Nicolas Boichat Signed-off-by: Mark Brown --- diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index aaede45a2f4b..abedf35f37b8 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -2762,6 +2762,7 @@ static void rt5645_enable_push_button_irq(struct snd_soc_codec *codec, struct rt5645_priv *rt5645 = snd_soc_codec_get_drvdata(codec); if (enable) { + snd_soc_dapm_mutex_lock(&codec->dapm); snd_soc_dapm_force_enable_pin_unlocked(&codec->dapm, "ADC L power"); snd_soc_dapm_force_enable_pin_unlocked(&codec->dapm, @@ -2771,6 +2772,8 @@ static void rt5645_enable_push_button_irq(struct snd_soc_codec *codec, snd_soc_dapm_force_enable_pin_unlocked(&codec->dapm, "Mic Det Power"); snd_soc_dapm_sync_unlocked(&codec->dapm); + snd_soc_dapm_mutex_unlock(&codec->dapm); + snd_soc_update_bits(codec, RT5645_INT_IRQ_ST, 0x8, 0x8); snd_soc_update_bits(codec, @@ -2781,6 +2784,8 @@ static void rt5645_enable_push_button_irq(struct snd_soc_codec *codec, } else { snd_soc_update_bits(codec, RT5650_4BTN_IL_CMD2, 0x8000, 0x0); snd_soc_update_bits(codec, RT5645_INT_IRQ_ST, 0x8, 0x0); + + snd_soc_dapm_mutex_lock(&codec->dapm); snd_soc_dapm_disable_pin_unlocked(&codec->dapm, "ADC L power"); snd_soc_dapm_disable_pin_unlocked(&codec->dapm, @@ -2791,6 +2796,7 @@ static void rt5645_enable_push_button_irq(struct snd_soc_codec *codec, snd_soc_dapm_disable_pin_unlocked(&codec->dapm, "Mic Det Power"); snd_soc_dapm_sync_unlocked(&codec->dapm); + snd_soc_dapm_mutex_unlock(&codec->dapm); } }