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ASoC: tlv320aic3x: 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>
This commit is contained in:
Axel Lin 2011-10-26 22:13:17 +08:00 committed by Mark Brown
parent bdb527e9ae
commit 9c173d15f9
1 changed files with 14 additions and 27 deletions
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41
sound/soc/codecs/tlv320aic3x.c
View File

@ -833,7 +833,6 @@ static int aic3x_hw_params(struct snd_pcm_substream *substream,
int codec_clk = 0, bypass_pll = 0, fsref, last_clk = 0; int codec_clk = 0, bypass_pll = 0, fsref, last_clk = 0;
u8 data, j, r, p, pll_q, pll_p = 1, pll_r = 1, pll_j = 1; u8 data, j, r, p, pll_q, pll_p = 1, pll_r = 1, pll_j = 1;
u16 d, pll_d = 1; u16 d, pll_d = 1;
u8 reg;
int clk; int clk;
/* select data word length */ /* select data word length */
@ -869,14 +868,13 @@ static int aic3x_hw_params(struct snd_pcm_substream *substream,
snd_soc_write(codec, AIC3X_PLL_PROGA_REG, pll_q << PLLQ_SHIFT); snd_soc_write(codec, AIC3X_PLL_PROGA_REG, pll_q << PLLQ_SHIFT);
snd_soc_write(codec, AIC3X_GPIOB_REG, CODEC_CLKIN_CLKDIV); snd_soc_write(codec, AIC3X_GPIOB_REG, CODEC_CLKIN_CLKDIV);
/* disable PLL if it is bypassed */ /* disable PLL if it is bypassed */
reg = snd_soc_read(codec, AIC3X_PLL_PROGA_REG); snd_soc_update_bits(codec, AIC3X_PLL_PROGA_REG, PLL_ENABLE, 0);
snd_soc_write(codec, AIC3X_PLL_PROGA_REG, reg & ~PLL_ENABLE);
} else { } else {
snd_soc_write(codec, AIC3X_GPIOB_REG, CODEC_CLKIN_PLLDIV); snd_soc_write(codec, AIC3X_GPIOB_REG, CODEC_CLKIN_PLLDIV);
/* enable PLL when it is used */ /* enable PLL when it is used */
reg = snd_soc_read(codec, AIC3X_PLL_PROGA_REG); snd_soc_update_bits(codec, AIC3X_PLL_PROGA_REG,
snd_soc_write(codec, AIC3X_PLL_PROGA_REG, reg | PLL_ENABLE); PLL_ENABLE, PLL_ENABLE);
} }
/* Route Left DAC to left channel input and /* Route Left DAC to left channel input and
@ -1155,7 +1153,6 @@ static int aic3x_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level) enum snd_soc_bias_level level)
{ {
struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec); struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec);
u8 reg;
switch (level) { switch (level) {
case SND_SOC_BIAS_ON: case SND_SOC_BIAS_ON:
@ -1164,9 +1161,8 @@ static int aic3x_set_bias_level(struct snd_soc_codec *codec,
if (codec->dapm.bias_level == SND_SOC_BIAS_STANDBY && if (codec->dapm.bias_level == SND_SOC_BIAS_STANDBY &&
aic3x->master) { aic3x->master) {
/* enable pll */ /* enable pll */
reg = snd_soc_read(codec, AIC3X_PLL_PROGA_REG); snd_soc_update_bits(codec, AIC3X_PLL_PROGA_REG,
snd_soc_write(codec, AIC3X_PLL_PROGA_REG, PLL_ENABLE, PLL_ENABLE);
reg | PLL_ENABLE);
} }
break; break;
case SND_SOC_BIAS_STANDBY: case SND_SOC_BIAS_STANDBY:
@ -1175,9 +1171,8 @@ static int aic3x_set_bias_level(struct snd_soc_codec *codec,
if (codec->dapm.bias_level == SND_SOC_BIAS_PREPARE && if (codec->dapm.bias_level == SND_SOC_BIAS_PREPARE &&
aic3x->master) { aic3x->master) {
/* disable pll */ /* disable pll */
reg = snd_soc_read(codec, AIC3X_PLL_PROGA_REG); snd_soc_update_bits(codec, AIC3X_PLL_PROGA_REG,
snd_soc_write(codec, AIC3X_PLL_PROGA_REG, PLL_ENABLE, 0);
reg & ~PLL_ENABLE);
} }
break; break;
case SND_SOC_BIAS_OFF: case SND_SOC_BIAS_OFF:
@ -1294,7 +1289,6 @@ static int aic3x_resume(struct snd_soc_codec *codec)
static int aic3x_init(struct snd_soc_codec *codec) static int aic3x_init(struct snd_soc_codec *codec)
{ {
struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec); struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec);
int reg;
snd_soc_write(codec, AIC3X_PAGE_SELECT, PAGE0_SELECT); snd_soc_write(codec, AIC3X_PAGE_SELECT, PAGE0_SELECT);
snd_soc_write(codec, AIC3X_RESET, SOFT_RESET); snd_soc_write(codec, AIC3X_RESET, SOFT_RESET);
@ -1316,20 +1310,13 @@ static int aic3x_init(struct snd_soc_codec *codec)
snd_soc_write(codec, DACR1_2_MONOLOPM_VOL, DEFAULT_VOL | ROUTE_ON); snd_soc_write(codec, DACR1_2_MONOLOPM_VOL, DEFAULT_VOL | ROUTE_ON);
/* unmute all outputs */ /* unmute all outputs */
reg = snd_soc_read(codec, LLOPM_CTRL); snd_soc_update_bits(codec, LLOPM_CTRL, UNMUTE, UNMUTE);
snd_soc_write(codec, LLOPM_CTRL, reg | UNMUTE); snd_soc_update_bits(codec, RLOPM_CTRL, UNMUTE, UNMUTE);
reg = snd_soc_read(codec, RLOPM_CTRL); snd_soc_update_bits(codec, MONOLOPM_CTRL, UNMUTE, UNMUTE);
snd_soc_write(codec, RLOPM_CTRL, reg | UNMUTE); snd_soc_update_bits(codec, HPLOUT_CTRL, UNMUTE, UNMUTE);
reg = snd_soc_read(codec, MONOLOPM_CTRL); snd_soc_update_bits(codec, HPROUT_CTRL, UNMUTE, UNMUTE);
snd_soc_write(codec, MONOLOPM_CTRL, reg | UNMUTE); snd_soc_update_bits(codec, HPLCOM_CTRL, UNMUTE, UNMUTE);
reg = snd_soc_read(codec, HPLOUT_CTRL); snd_soc_update_bits(codec, HPRCOM_CTRL, UNMUTE, UNMUTE);
snd_soc_write(codec, HPLOUT_CTRL, reg | UNMUTE);
reg = snd_soc_read(codec, HPROUT_CTRL);
snd_soc_write(codec, HPROUT_CTRL, reg | UNMUTE);
reg = snd_soc_read(codec, HPLCOM_CTRL);
snd_soc_write(codec, HPLCOM_CTRL, reg | UNMUTE);
reg = snd_soc_read(codec, HPRCOM_CTRL);
snd_soc_write(codec, HPRCOM_CTRL, reg | UNMUTE);
/* ADC default volume and unmute */ /* ADC default volume and unmute */
snd_soc_write(codec, LADC_VOL, DEFAULT_GAIN); snd_soc_write(codec, LADC_VOL, DEFAULT_GAIN);