diff options
| author | Axel Lin <axel.lin@gmail.com> | 2011-10-20 10:54:13 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-10-20 15:02:26 +0100 |
| commit | f96c255df75782c97dca8e2529bc09cb80425fe7 (patch) | |
| tree | de4bcb1e8e12906af315454afacee593eff96c53 /sound | |
| parent | cf0feafbc306718292dcda499bf299fc60cc8cc6 (diff) | |
| download | linux-f96c255df75782c97dca8e2529bc09cb80425fe7.tar.bz2 | |
ASoC: ak4671: Use snd_soc_update_bits for read-modify-write
Use snd_soc_update_bits for read-modify-write register access instead of
open-coding it using snd_soc_read and snd_soc_write
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/ak4671.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/sound/soc/codecs/ak4671.c b/sound/soc/codecs/ak4671.c index 41e3d5541bd4..de9ff66d3721 100644 --- a/sound/soc/codecs/ak4671.c +++ b/sound/soc/codecs/ak4671.c @@ -168,18 +168,15 @@ static int ak4671_out2_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_codec *codec = w->codec; - u8 reg; switch (event) { case SND_SOC_DAPM_POST_PMU: - reg = snd_soc_read(codec, AK4671_LOUT2_POWER_MANAGERMENT); - reg |= AK4671_MUTEN; - snd_soc_write(codec, AK4671_LOUT2_POWER_MANAGERMENT, reg); + snd_soc_update_bits(codec, AK4671_LOUT2_POWER_MANAGERMENT, + AK4671_MUTEN, AK4671_MUTEN); break; case SND_SOC_DAPM_PRE_PMD: - reg = snd_soc_read(codec, AK4671_LOUT2_POWER_MANAGERMENT); - reg &= ~AK4671_MUTEN; - snd_soc_write(codec, AK4671_LOUT2_POWER_MANAGERMENT, reg); + snd_soc_update_bits(codec, AK4671_LOUT2_POWER_MANAGERMENT, + AK4671_MUTEN, 0); break; } @@ -575,15 +572,12 @@ static int ak4671_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) static int ak4671_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { - u8 reg; - switch (level) { case SND_SOC_BIAS_ON: case SND_SOC_BIAS_PREPARE: case SND_SOC_BIAS_STANDBY: - reg = snd_soc_read(codec, AK4671_AD_DA_POWER_MANAGEMENT); - snd_soc_write(codec, AK4671_AD_DA_POWER_MANAGEMENT, - reg | AK4671_PMVCM); + snd_soc_update_bits(codec, AK4671_AD_DA_POWER_MANAGEMENT, + AK4671_PMVCM, AK4671_PMVCM); break; case SND_SOC_BIAS_OFF: snd_soc_write(codec, AK4671_AD_DA_POWER_MANAGEMENT, 0x00); |