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| author |   Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-02-19 14:29:49 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-02-19 14:30:57 +0000 |
| commit | ce3bdaa8710c10eec5a6dae67aaf73088d0ced4f (patch) | |
| tree | c6d6c286b36c01e202bedc47eeeb25272158bcb5 | |
| parent | ASoC: Add device init/exit annotations to new-style Wolfson CODEC drivers (diff) | |
| download | linux-dev-ce3bdaa8710c10eec5a6dae67aaf73088d0ced4f.tar.xz linux-dev-ce3bdaa8710c10eec5a6dae67aaf73088d0ced4f.zip | |
ASoC: Disable WM8731 line bypass by default
This avoids temporarily enabling the ouput stages during startup which
can cause audible effets in the output stages.
Reported-by: Fredrik Redgård <rik@svep.se>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
| -rw-r--r-- | sound/soc/codecs/wm8731.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c index 4cac3195bfa3..9e7ebcc2c491 100644 --- a/sound/soc/codecs/wm8731.c +++ b/sound/soc/codecs/wm8731.c @@ -594,6 +594,10 @@ static int wm8731_register(struct wm8731_priv *wm8731) reg = wm8731_read_reg_cache(codec, WM8731_RINVOL); wm8731_write(codec, WM8731_RINVOL, reg & ~0x0100); + /* Disable bypass path by default */ + reg = wm8731_read_reg_cache(codec, WM8731_APANA); + wm8731_write(codec, WM8731_APANA, reg & ~0x4); + wm8731_codec = codec; ret = snd_soc_register_codec(codec); |