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ASoC: ak4535: Improve readability for setting mute

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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>
This commit is contained in:
Axel Lin 2010-12-01 17:22:34 +08:00 • committed by Mark Brown
parent 806bfedfb1
commit cca67a3668
1 changed files with 5 additions and 5 deletions
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10
sound/soc/codecs/ak4535.c
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@ -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) static int ak4535_mute(struct snd_soc_dai *dai, int mute)
{ {
struct snd_soc_codec *codec = dai->codec; 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) if (!mute)
ak4535_write(codec, AK4535_DAC, mute_reg); ak4535_write(codec, AK4535_DAC, mute_reg & ~0x20);
else else
ak4535_write(codec, AK4535_DAC, mute_reg | 0x20); ak4535_write(codec, AK4535_DAC, mute_reg | 0x20);
return 0; return 0;
@ -381,11 +381,11 @@ static int ak4535_set_bias_level(struct snd_soc_codec *codec,
switch (level) { switch (level) {
case SND_SOC_BIAS_ON: case SND_SOC_BIAS_ON:
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); ak4535_write(codec, AK4535_DAC, mute_reg & ~0x20);
break; break;
case SND_SOC_BIAS_PREPARE: 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); ak4535_write(codec, AK4535_DAC, mute_reg | 0x20);
break; break;
case SND_SOC_BIAS_STANDBY: case SND_SOC_BIAS_STANDBY: