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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-02-06 12:07:08 +0000 |
|---|---|---|
| committer | Andreas Blaesius <skate4life@gmx.de> | 2016-04-30 11:03:48 +0200 |
| commit | d9fdaa450a24078a8fbbcb700974f26b6236e397 (patch) | |
| tree | 7223ffedb0b3cb7f3024b68fe5784c6e02af379d /sound | |
| parent | 739a98d7ae6375e74904d970558f71d5074baf7f (diff) | |
| download | kernel_samsung_espresso10-d9fdaa450a24078a8fbbcb700974f26b6236e397.zip kernel_samsung_espresso10-d9fdaa450a24078a8fbbcb700974f26b6236e397.tar.gz kernel_samsung_espresso10-d9fdaa450a24078a8fbbcb700974f26b6236e397.tar.bz2 | |
ASoC: wm8994: Enabling VMID should take a runtime PM reference
We can enable VMID independently of the bias in some use cases so we need
to ensure that the core device is powered up.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/wm8994.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c index 9a40990..8639143 100644 --- a/sound/soc/codecs/wm8994.c +++ b/sound/soc/codecs/wm8994.c @@ -869,6 +869,8 @@ static void vmid_reference(struct snd_soc_codec *codec) { struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec); + pm_runtime_get_sync(codec->dev); + wm8994->vmid_refcount++; dev_dbg(codec->dev, "Referencing VMID, refcount is now %d\n", @@ -936,6 +938,8 @@ static void vmid_dereference(struct snd_soc_codec *codec) WM8994_VMID_BUF_ENA | WM8994_VMID_RAMP_MASK, 0); } + + pm_runtime_put(codec->dev); } static int vmid_event(struct snd_soc_dapm_widget *w, |