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Subject[PATCH 17/17 v2] ASoC: pxa: tosa: Update locking around use of DAPM pin API
Date
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>
---
sound/soc/pxa/tosa.c | 28 ++++++++++++++++------------
1 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/sound/soc/pxa/tosa.c b/sound/soc/pxa/tosa.c
index 1d9c2ed..2a4b438 100644
--- a/sound/soc/pxa/tosa.c
+++ b/sound/soc/pxa/tosa.c
@@ -48,31 +48,35 @@ static void tosa_ext_control(struct snd_soc_codec *codec)
{
struct snd_soc_dapm_context *dapm = &codec->dapm;

+ snd_soc_dapm_mutex_lock(dapm);
+
/* set up jack connection */
switch (tosa_jack_func) {
case TOSA_HP:
- snd_soc_dapm_disable_pin(dapm, "Mic (Internal)");
- snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
- snd_soc_dapm_disable_pin(dapm, "Headset Jack");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "Mic (Internal)");
+ snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
break;
case TOSA_MIC_INT:
- snd_soc_dapm_enable_pin(dapm, "Mic (Internal)");
- snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
- snd_soc_dapm_disable_pin(dapm, "Headset Jack");
+ snd_soc_dapm_enable_pin_unlocked(dapm, "Mic (Internal)");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
break;
case TOSA_HEADSET:
- snd_soc_dapm_disable_pin(dapm, "Mic (Internal)");
- snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
- snd_soc_dapm_enable_pin(dapm, "Headset Jack");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "Mic (Internal)");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
+ snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Jack");
break;
}

if (tosa_spk_func == TOSA_SPK_ON)
- snd_soc_dapm_enable_pin(dapm, "Speaker");
+ snd_soc_dapm_enable_pin_unlocked(dapm, "Speaker");
else
- snd_soc_dapm_disable_pin(dapm, "Speaker");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "Speaker");
+
+ snd_soc_dapm_sync_unlocked(dapm);

- snd_soc_dapm_sync(dapm);
+ snd_soc_dapm_mutex_unlock(dapm);
}

static int tosa_startup(struct snd_pcm_substream *substream)
--
1.7.2.5


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