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ASoC: tlv320aic32x4: Use snd_soc_update_bits() in aic32x4_set_dai_fmt() 

Make the code easier to read by using snd_soc_update_bits() over
read/modify/write sequences.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Andrew F. Davis 2017-12-12 16:43:10 -06:00 committed by Mark Brown
parent 64aab89974
commit 60fb4be565
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 13 additions and 15 deletions
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28
sound/soc/codecs/tlv320aic32x4.c
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@ -614,16 +614,9 @@ static int aic32x4_set_dai_sysclk(struct snd_soc_dai *codec_dai,
static int aic32x4_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
{
struct snd_soc_codec *codec = codec_dai->codec;
u8 iface_reg_1;
u8 iface_reg_2;
u8 iface_reg_3;
iface_reg_1 = snd_soc_read(codec, AIC32X4_IFACE1);
iface_reg_1 = iface_reg_1 & ~(3 << 6 | 3 << 2);
iface_reg_2 = snd_soc_read(codec, AIC32X4_IFACE2);
iface_reg_2 = 0;
iface_reg_3 = snd_soc_read(codec, AIC32X4_IFACE3);
iface_reg_3 = iface_reg_3 & ~(1 << 3);
u8 iface_reg_1 = 0;
u8 iface_reg_2 = 0;
u8 iface_reg_3 = 0;
/* set master/slave audio interface */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
@ -643,13 +636,13 @@ static int aic32x4_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
case SND_SOC_DAIFMT_DSP_A:
iface_reg_1 |= (AIC32X4_DSP_MODE <<
AIC32X4_IFACE1_DATATYPE_SHIFT);
iface_reg_3 |= (1 << 3); /* invert bit clock */
iface_reg_3 |= AIC32X4_BCLKINV_MASK; /* invert bit clock */
iface_reg_2 = 0x01; /* add offset 1 */
break;
case SND_SOC_DAIFMT_DSP_B:
iface_reg_1 |= (AIC32X4_DSP_MODE <<
AIC32X4_IFACE1_DATATYPE_SHIFT);
iface_reg_3 |= (1 << 3); /* invert bit clock */
iface_reg_3 |= AIC32X4_BCLKINV_MASK; /* invert bit clock */
break;
case SND_SOC_DAIFMT_RIGHT_J:
iface_reg_1 |= (AIC32X4_RIGHT_JUSTIFIED_MODE <<
@ -664,9 +657,14 @@ static int aic32x4_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
return -EINVAL;
}
snd_soc_write(codec, AIC32X4_IFACE1, iface_reg_1);
snd_soc_write(codec, AIC32X4_IFACE2, iface_reg_2);
snd_soc_write(codec, AIC32X4_IFACE3, iface_reg_3);
snd_soc_update_bits(codec, AIC32X4_IFACE1,
AIC32X4_IFACE1_DATATYPE_MASK |
AIC32X4_IFACE1_MASTER_MASK, iface_reg_1);
snd_soc_update_bits(codec, AIC32X4_IFACE2,
AIC32X4_DATA_OFFSET_MASK, iface_reg_2);
snd_soc_update_bits(codec, AIC32X4_IFACE3,
AIC32X4_BCLKINV_MASK, iface_reg_3);
return 0;
}