The pin updates in this driver look like they are intended to be done
atomically, update to do so.
Signed-off-by: Charles Keepax <ckee...@opensource.wolfsonmicro.com>
---
sound/soc/codecs/wm8994.c | 45 +++++++++++++++++++++++++++------------------
1 files changed, 27 insertions(+), 18 deletions(-)
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index b9be9cb..e8daf55 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -2549,43 +2549,52 @@ static int wm8994_set_bias_level(struct snd_soc_codec
*codec,
int wm8994_vmid_mode(struct snd_soc_codec *codec, enum wm8994_vmid_mode mode)
{
struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
switch (mode) {
case WM8994_VMID_NORMAL:
+ snd_soc_dapm_mutex_lock(dapm);
+
if (wm8994->hubs.lineout1_se) {
- snd_soc_dapm_disable_pin(&codec->dapm,
- "LINEOUT1N Driver");
- snd_soc_dapm_disable_pin(&codec->dapm,
- "LINEOUT1P Driver");
+ snd_soc_dapm_disable_pin_unlocked(dapm,
+ "LINEOUT1N Driver");
+ snd_soc_dapm_disable_pin_unlocked(dapm,
+ "LINEOUT1P Driver");
}
if (wm8994->hubs.lineout2_se) {
- snd_soc_dapm_disable_pin(&codec->dapm,
- "LINEOUT2N Driver");
- snd_soc_dapm_disable_pin(&codec->dapm,
- "LINEOUT2P Driver");
+ snd_soc_dapm_disable_pin_unlocked(dapm,
+ "LINEOUT2N Driver");
+ snd_soc_dapm_disable_pin_unlocked(dapm,
+ "LINEOUT2P Driver");
}
/* Do the sync with the old mode to allow it to clean up */
- snd_soc_dapm_sync(&codec->dapm);
+ snd_soc_dapm_sync_unlocked(dapm);
wm8994->vmid_mode = mode;
+
+ snd_soc_dapm_mutex_unlock(dapm);
break;
case WM8994_VMID_FORCE:
+ snd_soc_dapm_mutex_lock(dapm);
+
if (wm8994->hubs.lineout1_se) {
- snd_soc_dapm_force_enable_pin(&codec->dapm,
- "LINEOUT1N Driver");
- snd_soc_dapm_force_enable_pin(&codec->dapm,
- "LINEOUT1P Driver");
+ snd_soc_dapm_force_enable_pin_unlocked(dapm,
+ "LINEOUT1N
Driver");
+ snd_soc_dapm_force_enable_pin_unlocked(dapm,
+ "LINEOUT1P
Driver");
}
if (wm8994->hubs.lineout2_se) {
- snd_soc_dapm_force_enable_pin(&codec->dapm,
- "LINEOUT2N Driver");
- snd_soc_dapm_force_enable_pin(&codec->dapm,
- "LINEOUT2P Driver");
+ snd_soc_dapm_force_enable_pin_unlocked(dapm,
+ "LINEOUT2N
Driver");
+ snd_soc_dapm_force_enable_pin_unlocked(dapm,
+ "LINEOUT2P
Driver");
}
wm8994->vmid_mode = mode;
- snd_soc_dapm_sync(&codec->dapm);
+ snd_soc_dapm_sync_unlocked(dapm);
+
+ snd_soc_dapm_mutex_unlock(dapm);
break;
default:
--
1.7.2.5
--
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