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| author | Axel Lin <axel.lin@gmail.com> | 2010-12-01 17:22:34 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-12-01 11:50:09 +0000 |
| commit | cca67a3668392857641e9440ca6dc16a48b12e37 (patch) | |
| tree | fef3724769e50dda11805c21da40ebdf589f36db /sound/soc/codecs/ak4535.c | |
| parent | 806bfedfb124b85d2e2b8ecdb8a451b23abed386 (diff) | |
| download | linux-cca67a3668392857641e9440ca6dc16a48b12e37.tar.gz linux-cca67a3668392857641e9440ca6dc16a48b12e37.tar.bz2 linux-cca67a3668392857641e9440ca6dc16a48b12e37.zip | |
ASoC: ak4535: Improve readability for setting mute
The mute/unmute is controled by SMUTE (Soft Mute Control bit):
0: Normal Operation (Default)
1: DAC outputs soft-muted
I think this change improves readability.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/ak4535.c')
| -rw-r--r-- | sound/soc/codecs/ak4535.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sound/soc/codecs/ak4535.c b/sound/soc/codecs/ak4535.c index 73675458076d..8b38739c88f8 100644 --- a/sound/soc/codecs/ak4535.c +++ b/sound/soc/codecs/ak4535.c @@ -366,9 +366,9 @@ static int ak4535_set_dai_fmt(struct snd_soc_dai *codec_dai, static int ak4535_mute(struct snd_soc_dai *dai, int mute) { struct snd_soc_codec *codec = dai->codec; - u16 mute_reg = ak4535_read_reg_cache(codec, AK4535_DAC) & 0xffdf; + u16 mute_reg = ak4535_read_reg_cache(codec, AK4535_DAC); if (!mute) - ak4535_write(codec, AK4535_DAC, mute_reg); + ak4535_write(codec, AK4535_DAC, mute_reg & ~0x20); else ak4535_write(codec, AK4535_DAC, mute_reg | 0x20); return 0; @@ -381,11 +381,11 @@ static int ak4535_set_bias_level(struct snd_soc_codec *codec, switch (level) { case SND_SOC_BIAS_ON: - mute_reg = ak4535_read_reg_cache(codec, AK4535_DAC) & 0xffdf; - ak4535_write(codec, AK4535_DAC, mute_reg); + mute_reg = ak4535_read_reg_cache(codec, AK4535_DAC); + ak4535_write(codec, AK4535_DAC, mute_reg & ~0x20); break; case SND_SOC_BIAS_PREPARE: - mute_reg = ak4535_read_reg_cache(codec, AK4535_DAC) & 0xffdf; + mute_reg = ak4535_read_reg_cache(codec, AK4535_DAC); ak4535_write(codec, AK4535_DAC, mute_reg | 0x20); break; case SND_SOC_BIAS_STANDBY: |