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>
diff --git a/sound/soc/codecs/ak4535.c b/sound/soc/codecs/ak4535.c
index 7367545..8b38739 100644
--- a/sound/soc/codecs/ak4535.c
+++ b/sound/soc/codecs/ak4535.c
@@ -366,9 +366,9 @@
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 @@
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:
