From: Charles Keepax Date: Tue, 18 Feb 2014 15:22:17 +0000 (+0000) Subject: ASoC: wm5100: Update locking around use of DAPM pin API X-Git-Tag: v3.15-rc1~36^2~1^2~5^2~13^2~15 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e951f267fd042ce6ca66449dd6d537b6126a10d7;p=platform%2Fkernel%2Flinux-exynos.git 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 Signed-off-by: Mark Brown --- diff --git a/sound/soc/codecs/wm5100.c b/sound/soc/codecs/wm5100.c index 4e3e31a..492fe84 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.