ASoC: ssm2602: 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: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Axel Lin 2011-10-19 14:07:31 +08:00 committed by Mark Brown
parent f8faadb6f2
commit 2ee9c183f3

View file

@ -343,12 +343,14 @@ static void ssm2602_shutdown(struct snd_pcm_substream *substream,
static int ssm2602_mute(struct snd_soc_dai *dai, int mute)
{
struct snd_soc_codec *codec = dai->codec;
u16 mute_reg = snd_soc_read(codec, SSM2602_APDIGI) & ~APDIGI_ENABLE_DAC_MUTE;
if (mute)
snd_soc_write(codec, SSM2602_APDIGI,
mute_reg | APDIGI_ENABLE_DAC_MUTE);
snd_soc_update_bits(codec, SSM2602_APDIGI,
APDIGI_ENABLE_DAC_MUTE,
APDIGI_ENABLE_DAC_MUTE);
else
snd_soc_write(codec, SSM2602_APDIGI, mute_reg);
snd_soc_update_bits(codec, SSM2602_APDIGI,
APDIGI_ENABLE_DAC_MUTE, 0);
return 0;
}
@ -540,12 +542,12 @@ static int ssm2602_resume(struct snd_soc_codec *codec)
static int ssm2602_probe(struct snd_soc_codec *codec)
{
struct snd_soc_dapm_context *dapm = &codec->dapm;
int ret, reg;
int ret;
reg = snd_soc_read(codec, SSM2602_LOUT1V);
snd_soc_write(codec, SSM2602_LOUT1V, reg | LOUT1V_LRHP_BOTH);
reg = snd_soc_read(codec, SSM2602_ROUT1V);
snd_soc_write(codec, SSM2602_ROUT1V, reg | ROUT1V_RLHP_BOTH);
snd_soc_update_bits(codec, SSM2602_LOUT1V,
LOUT1V_LRHP_BOTH, LOUT1V_LRHP_BOTH);
snd_soc_update_bits(codec, SSM2602_ROUT1V,
ROUT1V_RLHP_BOTH, ROUT1V_RLHP_BOTH);
ret = snd_soc_add_controls(codec, ssm2602_snd_controls,
ARRAY_SIZE(ssm2602_snd_controls));
@ -578,7 +580,7 @@ static int ssm2604_probe(struct snd_soc_codec *codec)
static int ssm260x_probe(struct snd_soc_codec *codec)
{
struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
int ret, reg;
int ret;
pr_info("ssm2602 Audio Codec %s", SSM2602_VERSION);
@ -595,10 +597,10 @@ static int ssm260x_probe(struct snd_soc_codec *codec)
}
/* set the update bits */
reg = snd_soc_read(codec, SSM2602_LINVOL);
snd_soc_write(codec, SSM2602_LINVOL, reg | LINVOL_LRIN_BOTH);
reg = snd_soc_read(codec, SSM2602_RINVOL);
snd_soc_write(codec, SSM2602_RINVOL, reg | RINVOL_RLIN_BOTH);
snd_soc_update_bits(codec, SSM2602_LINVOL,
LINVOL_LRIN_BOTH, LINVOL_LRIN_BOTH);
snd_soc_update_bits(codec, SSM2602_RINVOL,
RINVOL_RLIN_BOTH, RINVOL_RLIN_BOTH);
/*select Line in as default input*/
snd_soc_write(codec, SSM2602_APANA, APANA_SELECT_DAC |
APANA_ENABLE_MIC_BOOST);