diff options
| author | Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | 2014-02-18 15:22:19 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-02-20 19:22:57 +0900 |
| commit | babce8211b194acdc41bc47975b50969a48b84ab (patch) | |
| tree | b0df401e90135b336eecd4a2df361e3384affba9 | |
| parent | f1a3b8d9d4818b88cd7de369da3bb1804c2ad7da (diff) | |
| download | op-kernel-dev-babce8211b194acdc41bc47975b50969a48b84ab.zip op-kernel-dev-babce8211b194acdc41bc47975b50969a48b84ab.tar.gz | |
ASoC: wm8994: 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/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: |
