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| author | Axel Lin <axel.lin@gmail.com> | 2011-10-26 22:13:17 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-10-27 11:58:28 +0200 |
| commit | 9c173d15f99ef182ac4b27e3e03779026d8e6cf1 (patch) | |
| tree | d1459a6d40277b4bba0aeec36610d98131e40b60 /sound/soc/codecs/tlv320aic3x.c | |
| parent | bdb527e9ae038d76917a999108176c5f5be5e35e (diff) | |
| download | op-kernel-dev-9c173d15f99ef182ac4b27e3e03779026d8e6cf1.zip op-kernel-dev-9c173d15f99ef182ac4b27e3e03779026d8e6cf1.tar.gz | |
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>
Diffstat (limited to 'sound/soc/codecs/tlv320aic3x.c')
| -rw-r--r-- | sound/soc/codecs/tlv320aic3x.c | 41 |
1 files changed, 14 insertions, 27 deletions
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c index 7a49390..a77f6ea 100644 --- a/sound/soc/codecs/tlv320aic3x.c +++ b/sound/soc/codecs/tlv320aic3x.c @@ -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; u8 data, j, r, p, pll_q, pll_p = 1, pll_r = 1, pll_j = 1; u16 d, pll_d = 1; - u8 reg; int clk; /* 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_GPIOB_REG, CODEC_CLKIN_CLKDIV); /* disable PLL if it is bypassed */ - reg = snd_soc_read(codec, AIC3X_PLL_PROGA_REG); - snd_soc_write(codec, AIC3X_PLL_PROGA_REG, reg & ~PLL_ENABLE); + snd_soc_update_bits(codec, AIC3X_PLL_PROGA_REG, PLL_ENABLE, 0); } else { snd_soc_write(codec, AIC3X_GPIOB_REG, CODEC_CLKIN_PLLDIV); /* enable PLL when it is used */ - reg = snd_soc_read(codec, AIC3X_PLL_PROGA_REG); - snd_soc_write(codec, AIC3X_PLL_PROGA_REG, reg | PLL_ENABLE); + snd_soc_update_bits(codec, AIC3X_PLL_PROGA_REG, + PLL_ENABLE, PLL_ENABLE); } /* 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) { struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec); - u8 reg; switch (level) { 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 && aic3x->master) { /* enable pll */ - reg = snd_soc_read(codec, AIC3X_PLL_PROGA_REG); - snd_soc_write(codec, AIC3X_PLL_PROGA_REG, - reg | PLL_ENABLE); + snd_soc_update_bits(codec, AIC3X_PLL_PROGA_REG, + PLL_ENABLE, PLL_ENABLE); } break; 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 && aic3x->master) { /* disable pll */ - reg = snd_soc_read(codec, AIC3X_PLL_PROGA_REG); - snd_soc_write(codec, AIC3X_PLL_PROGA_REG, - reg & ~PLL_ENABLE); + snd_soc_update_bits(codec, AIC3X_PLL_PROGA_REG, + PLL_ENABLE, 0); } break; 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) { 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_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); /* unmute all outputs */ - reg = snd_soc_read(codec, LLOPM_CTRL); - snd_soc_write(codec, LLOPM_CTRL, reg | UNMUTE); - reg = snd_soc_read(codec, RLOPM_CTRL); - snd_soc_write(codec, RLOPM_CTRL, reg | UNMUTE); - reg = snd_soc_read(codec, MONOLOPM_CTRL); - snd_soc_write(codec, MONOLOPM_CTRL, reg | UNMUTE); - reg = snd_soc_read(codec, HPLOUT_CTRL); - 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); + snd_soc_update_bits(codec, LLOPM_CTRL, UNMUTE, UNMUTE); + snd_soc_update_bits(codec, RLOPM_CTRL, UNMUTE, UNMUTE); + snd_soc_update_bits(codec, MONOLOPM_CTRL, UNMUTE, UNMUTE); + snd_soc_update_bits(codec, HPLOUT_CTRL, UNMUTE, UNMUTE); + snd_soc_update_bits(codec, HPROUT_CTRL, UNMUTE, UNMUTE); + snd_soc_update_bits(codec, HPLCOM_CTRL, UNMUTE, UNMUTE); + snd_soc_update_bits(codec, HPRCOM_CTRL, UNMUTE, UNMUTE); /* ADC default volume and unmute */ snd_soc_write(codec, LADC_VOL, DEFAULT_GAIN); |
