diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2008-11-17 18:09:34 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2008-11-17 18:24:54 +0100 |
| commit | be1b87c70af69acfadb8a27a7a76dfb61de92643 (patch) | |
| tree | a5ff1f252073881b12554b97a6205dd276e39269 /sound/soc/codecs/wm8990.c | |
| parent | ASoC: Allow writes to uncached registers in WM8990 (diff) | |
| download | linux-be1b87c70af69acfadb8a27a7a76dfb61de92643.tar.xz linux-be1b87c70af69acfadb8a27a7a76dfb61de92643.zip | |
ASoC: Enable WM8990 ADC clocking workaround
Enable a hardware workaround which avoids problems with the clocking of
the ADCs in certain configurations.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/wm8990.c')
| -rw-r--r-- | sound/soc/codecs/wm8990.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sound/soc/codecs/wm8990.c b/sound/soc/codecs/wm8990.c index 5c84f02c4579..938e15429207 100644 --- a/sound/soc/codecs/wm8990.c +++ b/sound/soc/codecs/wm8990.c @@ -1272,9 +1272,11 @@ static int wm8990_set_bias_level(struct snd_soc_codec *codec, /* disable POBCTRL, SOFT_ST and BUFDCOPEN */ wm8990_write(codec, WM8990_ANTIPOP2, WM8990_BUFIOEN); - } else { - /* ON -> standby */ + /* Enable workaround for ADC clocking issue. */ + wm8990_write(codec, WM8990_EXT_ACCESS_ENA, 0x2); + wm8990_write(codec, WM8990_EXT_CTL1, 0xa003); + wm8990_write(codec, WM8990_EXT_ACCESS_ENA, 0); } break; |