From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Sat, 11 Feb 2012 23:10:30 +0000 (+0000)
Subject: ASoC: wm8994: Actively discharge VMID when not in use
X-Git-Url: http://git.mmlx.us/?a=commitdiff_plain;h=e85b26ce3a4cda67262ae6f7d918a63fd4dc153c;p=linux-edison.git

ASoC: wm8994: Actively discharge VMID when not in use

Ensure we're in a known state when we restart.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index aa94ca1f6a9..3a69ec0d5af 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -838,6 +838,10 @@ static void vmid_dereference(struct snd_soc_codec *codec)
 				    WM8994_BIAS_ENA |
 				    WM8994_VMID_SEL_MASK, 0);
 
+		/* Discharge VMID */
+		snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
+				    WM8994_VMID_DISCH, WM8994_VMID_DISCH);
+
 		/* Discharge line */
 		snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
 				    WM8994_LINEOUT1_DISCH |