diff options
| author | Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | 2014-02-18 15:22:17 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-02-20 19:22:56 +0900 |
| commit | e951f267fd042ce6ca66449dd6d537b6126a10d7 (patch) | |
| tree | 1650199301df70b7845cebde5e629ae37e108e8e | |
| parent | 1bf1b8cf4faf279c3643c5c8045bec53b047ca9a (diff) | |
| download | linux-e951f267fd042ce6ca66449dd6d537b6126a10d7.tar.bz2 | |
ASoC: wm5100: 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>
| -rw-r--r-- | sound/soc/codecs/wm5100.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/sound/soc/codecs/wm5100.c b/sound/soc/codecs/wm5100.c index 4e3e31aaf509..492fe846ae68 100644 --- a/sound/soc/codecs/wm5100.c +++ b/sound/soc/codecs/wm5100.c @@ -2100,6 +2100,7 @@ static void wm5100_micd_irq(struct wm5100_priv *wm5100) int wm5100_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack) { struct wm5100_priv *wm5100 = snd_soc_codec_get_drvdata(codec); + struct snd_soc_dapm_context *dapm = &codec->dapm; if (jack) { wm5100->jack = jack; @@ -2117,9 +2118,14 @@ int wm5100_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack) WM5100_ACCDET_RATE_MASK); /* We need the charge pump to power MICBIAS */ - snd_soc_dapm_force_enable_pin(&codec->dapm, "CP2"); - snd_soc_dapm_force_enable_pin(&codec->dapm, "SYSCLK"); - snd_soc_dapm_sync(&codec->dapm); + snd_soc_dapm_mutex_lock(dapm); + + snd_soc_dapm_force_enable_pin_unlocked(dapm, "CP2"); + snd_soc_dapm_force_enable_pin_unlocked(dapm, "SYSCLK"); + + snd_soc_dapm_sync_unlocked(dapm); + + snd_soc_dapm_mutex_unlock(dapm); /* We start off just enabling microphone detection - even a * plain headphone will trigger detection. |