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 <[e-mail]>
Signed-off-by: Mark Brown <[e-mail]>

sound/soc/codecs/rt5645.c

···
 	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,
···
 		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,
···
 	} 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,
···
 		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);
 	}
 }