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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-11-09 14:38:58 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-11-10 15:40:21 +0000 |
| commit | 0049317edb76d17bfac736b658523c15935391a3 (patch) | |
| tree | 5498e136c1a33d6e55344ea4a699c33b425fbec6 /sound/soc/codecs/wm8350.c | |
| parent | c28a9926f28e8c7c52603db58754a78008768ca1 (diff) | |
| download | lwn-0049317edb76d17bfac736b658523c15935391a3.tar.gz lwn-0049317edb76d17bfac736b658523c15935391a3.zip | |
ASoC: Ensure sane WM835x AIF configuration by default
Ensure that whatever ran before us leaves the WM835x with a sane default
audio interface configuration as we do not override the companding,
loopback or tristate settings and do not reset the chip at startup (as it
is a PMIC).
Reported-by: Keiji Mitsuhisa <Keiji.Mitsuhisa@wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'sound/soc/codecs/wm8350.c')
| -rw-r--r-- | sound/soc/codecs/wm8350.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8350.c b/sound/soc/codecs/wm8350.c index 4f3e919a0755..7611add7f8c3 100644 --- a/sound/soc/codecs/wm8350.c +++ b/sound/soc/codecs/wm8350.c @@ -1586,6 +1586,13 @@ static int wm8350_codec_probe(struct snd_soc_codec *codec) wm8350_set_bits(wm8350, WM8350_ROUT2_VOLUME, WM8350_OUT2_VU | WM8350_OUT2R_MUTE); + /* Make sure AIF tristating is disabled by default */ + wm8350_clear_bits(wm8350, WM8350_AI_FORMATING, WM8350_AIF_TRI); + + /* Make sure we've got a sane companding setup too */ + wm8350_clear_bits(wm8350, WM8350_ADC_DAC_COMP, + WM8350_DAC_COMP | WM8350_LOOPBACK); + /* Make sure jack detect is disabled to start off with */ wm8350_clear_bits(wm8350, WM8350_JACK_DETECT, WM8350_JDL_ENA | WM8350_JDR_ENA); |