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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-07-30 18:24:19 +0100
committerBen Hutchings <ben@decadent.org.uk>2012-08-10 00:25:08 +0100
commit2145a2c9d596f59f6dd32932c98f9a1025bbb3b8 (patch)
treec8b61e8358c35185d85069f70c0501255fb1d38d
parent0776e23d7f8f42487a5c0fd42679cef115add2bc (diff)
downloadlwn-2145a2c9d596f59f6dd32932c98f9a1025bbb3b8.tar.gz
lwn-2145a2c9d596f59f6dd32932c98f9a1025bbb3b8.zip
ASoC: wm8962: Allow VMID time to fully ramp
commit 9d40e5582c9c4cfb6977ba2a0ca9c2ed82c56f21 upstream. Required for reliable power up from cold. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
-rw-r--r--sound/soc/codecs/wm8962.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 07dd7ebe95b7..e97df24116ad 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -3105,6 +3105,9 @@ static int wm8962_set_bias_level(struct snd_soc_codec *codec,
/* VMID 2*250k */
snd_soc_update_bits(codec, WM8962_PWR_MGMT_1,
WM8962_VMID_SEL_MASK, 0x100);
+
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF)
+ msleep(100);
break;
case SND_SOC_BIAS_OFF: