diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-07-30 13:24:19 -0400 |
|---|---|---|
| committer | Luis Henriques <luis.henriques@canonical.com> | 2012-08-13 09:10:39 -0400 |
| commit | 3170705e2a74fe4f052157e8ccf152fba378cc62 (patch) | |
| tree | bcb7b0fb76d8bd2e90798b7f14bc99261f17f967 /sound/soc/codecs | |
| parent | 1a1665e669a8193373156b815b06e0f9d0b2cf69 (diff) | |
ASoC: wm8962: Allow VMID time to fully ramp
BugLink: http://bugs.launchpad.net/bugs/1034988
commit 9d40e5582c9c4cfb6977ba2a0ca9c2ed82c56f21 upstream.
Required for reliable power up from cold.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
Diffstat (limited to 'sound/soc/codecs')
| -rw-r--r-- | sound/soc/codecs/wm8962.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index c850e3d84ed..f16f587dfb0 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c | |||
| @@ -2890,6 +2890,9 @@ static int wm8962_set_bias_level(struct snd_soc_codec *codec, | |||
| 2890 | /* VMID 2*250k */ | 2890 | /* VMID 2*250k */ |
| 2891 | snd_soc_update_bits(codec, WM8962_PWR_MGMT_1, | 2891 | snd_soc_update_bits(codec, WM8962_PWR_MGMT_1, |
| 2892 | WM8962_VMID_SEL_MASK, 0x100); | 2892 | WM8962_VMID_SEL_MASK, 0x100); |
| 2893 | |||
| 2894 | if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) | ||
| 2895 | msleep(100); | ||
| 2893 | break; | 2896 | break; |
| 2894 | 2897 | ||
| 2895 | case SND_SOC_BIAS_OFF: | 2898 | case SND_SOC_BIAS_OFF: |