Current implementation in wm8711_set_dai_fmt always clear BIT[3:2] (the Input Audio Data Bit Length Select) of WM8711_IFACE(07h) register. Input Audio Data Bit Length Select bits are set by wm8711_hw_params, we should leave BIT[3:2] untouched in wm8711_set_dai_fmt.
Signed-off-by: Axel Lin axel.lin@gmail.com --- sound/soc/codecs/wm8711.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/sound/soc/codecs/wm8711.c b/sound/soc/codecs/wm8711.c index 8ba49d8..076bdb9 100644 --- a/sound/soc/codecs/wm8711.c +++ b/sound/soc/codecs/wm8711.c @@ -232,7 +232,7 @@ static int wm8711_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { struct snd_soc_codec *codec = codec_dai->codec; - u16 iface = 0; + u16 iface = snd_soc_read(codec, WM8711_IFACE) & 0x000c;
/* set master/slave audio interface */ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {