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authorCharles Keepax <ckeepax@opensource.wolfsonmicro.com>2014-02-18 15:22:24 +0000
committerMark Brown <broonie@linaro.org>2014-02-20 19:22:59 +0900
commit9dd2bb3fdb38c47ce3f1be624c9e6dcba3d61898 (patch)
tree02be2362f0c7a3f2a7cf12714678343175b42753
parent43cbbc398f027483e129c3ed4634769ca60ed264 (diff)
ASoC: omap: rx51: 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/omap/rx51.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/sound/soc/omap/rx51.c b/sound/soc/omap/rx51.c
index 611179c3bca4..7fb3d4b10370 100644
--- a/sound/soc/omap/rx51.c
+++ b/sound/soc/omap/rx51.c
@@ -74,26 +74,30 @@ static void rx51_ext_control(struct snd_soc_dapm_context *dapm)
break;
}
+ snd_soc_dapm_mutex_lock(dapm);
+
if (rx51_spk_func)
- snd_soc_dapm_enable_pin(dapm, "Ext Spk");
+ snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk");
else
- snd_soc_dapm_disable_pin(dapm, "Ext Spk");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk");
if (rx51_dmic_func)
- snd_soc_dapm_enable_pin(dapm, "DMic");
+ snd_soc_dapm_enable_pin_unlocked(dapm, "DMic");
else
- snd_soc_dapm_disable_pin(dapm, "DMic");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "DMic");
if (hp)
- snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
+ snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
else
- snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
if (hs)
- snd_soc_dapm_enable_pin(dapm, "HS Mic");
+ snd_soc_dapm_enable_pin_unlocked(dapm, "HS Mic");
else
- snd_soc_dapm_disable_pin(dapm, "HS Mic");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "HS Mic");
gpio_set_value(RX51_TVOUT_SEL_GPIO, tvout);
- snd_soc_dapm_sync(dapm);
+ snd_soc_dapm_sync_unlocked(dapm);
+
+ snd_soc_dapm_mutex_unlock(dapm);
}
static int rx51_startup(struct snd_pcm_substream *substream)