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Commit db966f8a authored by Mark Brown's avatar Mark Brown
Browse files

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: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
parent 43b6cec2

sound/soc/codecs/wm8994.c

+4 −0
Original line number Diff line number Diff line
@@ -770,6 +770,8 @@ 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",
@@ -837,6 +839,8 @@ 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,