ASoC: wm8962: Update locking around use of DAPM pin API
The pin updates in this driver look like they are intended to be done
atomically, update to do so.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 97db3b4..9e62336 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -3089,6 +3089,7 @@
int wm8962_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack)
{
struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
int irq_mask, enable;
wm8962->jack = jack;
@@ -3109,14 +3110,18 @@
snd_soc_jack_report(wm8962->jack, 0,
SND_JACK_MICROPHONE | SND_JACK_BTN_0);
+ snd_soc_dapm_mutex_lock(dapm);
+
if (jack) {
- snd_soc_dapm_force_enable_pin(&codec->dapm, "SYSCLK");
- snd_soc_dapm_force_enable_pin(&codec->dapm, "MICBIAS");
+ snd_soc_dapm_force_enable_pin_unlocked(dapm, "SYSCLK");
+ snd_soc_dapm_force_enable_pin_unlocked(dapm, "MICBIAS");
} else {
- snd_soc_dapm_disable_pin(&codec->dapm, "SYSCLK");
- snd_soc_dapm_disable_pin(&codec->dapm, "MICBIAS");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "SYSCLK");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "MICBIAS");
}
+ snd_soc_dapm_mutex_unlock(dapm);
+
return 0;
}
EXPORT_SYMBOL_GPL(wm8962_mic_detect);