[alsa-devel] [PATCH 4/4] ASoC: wm8994: Actively discharge VMID when not in use

[Mark Brown]

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

Signed-off-by: Mark Brown <broonie at opensource.wolfsonmicro.com>
---
 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 aa94ca1..3a69ec0 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 |
-- 
1.7.9.rc1