Messages in this thread Patch in this message | | | Date | Fri, 10 Feb 2012 14:30:18 -0800 | From | Greg KH <> | Subject | [patch 59/86] ASoC: wm8994: Enabling VMID should take a runtime PM reference |
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3.2-stable review patch. If anyone has any objections, please let me know.
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From: Mark Brown <broonie@opensource.wolfsonmicro.com>
commit db966f8abb9ba74f7d5a7230f51572f52c31c4e5 upstream.
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- sound/soc/codecs/wm8994.c | 4 ++++ 1 file changed, 4 insertions(+)
--- a/sound/soc/codecs/wm8994.c +++ b/sound/soc/codecs/wm8994.c @@ -729,6 +729,8 @@ static void vmid_reference(struct snd_so { 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", @@ -796,6 +798,8 @@ static void vmid_dereference(struct snd_ WM8994_VMID_BUF_ENA | WM8994_VMID_RAMP_MASK, 0); } + + pm_runtime_put(codec->dev); } static int vmid_event(struct snd_soc_dapm_widget *w,
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