diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-02-17 21:04:41 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-02-23 16:13:54 +0100 |
| commit | afad95f82582cdd685cc9ba919eb55150a0ec909 (patch) | |
| tree | ef01b6739729d43ec018df2e0a802eae8d6a6c8f /sound/soc/codecs/ak4104.c | |
| parent | ASoC: mxs-pcm: Request DMA channel early (diff) | |
| download | linux-afad95f82582cdd685cc9ba919eb55150a0ec909.tar.xz linux-afad95f82582cdd685cc9ba919eb55150a0ec909.zip | |
ASoC: ak4104: Use snd_soc_update_bits() for read/modify/write
Don't use the internal I/O functions directly.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Daniel Mack <zonque@gmail.com>
Diffstat (limited to 'sound/soc/codecs/ak4104.c')
| -rw-r--r-- | sound/soc/codecs/ak4104.c | 38 |
1 files changed, 15 insertions, 23 deletions
diff --git a/sound/soc/codecs/ak4104.c b/sound/soc/codecs/ak4104.c index f12c11548495..d6d9e40cbdee 100644 --- a/sound/soc/codecs/ak4104.c +++ b/sound/soc/codecs/ak4104.c @@ -110,12 +110,6 @@ static int ak4104_set_dai_fmt(struct snd_soc_dai *codec_dai, struct snd_soc_codec *codec = codec_dai->codec; int val = 0; - val = ak4104_read_reg_cache(codec, AK4104_REG_CONTROL1); - if (val < 0) - return val; - - val &= ~(AK4104_CONTROL1_DIF0 | AK4104_CONTROL1_DIF1); - /* set DAI format */ switch (format & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_RIGHT_J: @@ -135,7 +129,13 @@ static int ak4104_set_dai_fmt(struct snd_soc_dai *codec_dai, if ((format & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBS_CFS) return -EINVAL; - return ak4104_spi_write(codec, AK4104_REG_CONTROL1, val); + ret = snd_soc_update_bits(codec, AK4104_REG_CONTROL1, + AK4104_CONTROL1_DIF0 | AK4104_CONTROL1_DIF1, + val); + if (ret < 0) + return ret; + + return 0; } static int ak4104_hw_params(struct snd_pcm_substream *substream, @@ -211,16 +211,15 @@ static int ak4104_probe(struct snd_soc_codec *codec) return -ENODEV; /* set power-up and non-reset bits */ - val = ak4104_read_reg_cache(codec, AK4104_REG_CONTROL1); - val |= AK4104_CONTROL1_PW | AK4104_CONTROL1_RSTN; - ret = ak4104_spi_write(codec, AK4104_REG_CONTROL1, val); + ret = snd_soc_update_bits(codec, AK4104_REG_CONTROL1, + AK4104_CONTROL1_PW | AK4104_CONTROL1_RSTN, + AK4104_CONTROL1_PW | AK4104_CONTROL1_RSTN); if (ret < 0) return ret; /* enable transmitter */ - val = ak4104_read_reg_cache(codec, AK4104_REG_TX); - val |= AK4104_TX_TXE; - ret = ak4104_spi_write(codec, AK4104_REG_TX, val); + ret = snd_soc_update_bits(codec, AK4104_REG_TX, + AK4104_TX_TXE, AK4104_TX_TXE); if (ret < 0) return ret; @@ -229,17 +228,10 @@ static int ak4104_probe(struct snd_soc_codec *codec) static int ak4104_remove(struct snd_soc_codec *codec) { - int val, ret; - - val = ak4104_read_reg_cache(codec, AK4104_REG_CONTROL1); - if (val < 0) - return val; - - /* clear power-up and non-reset bits */ - val &= ~(AK4104_CONTROL1_PW | AK4104_CONTROL1_RSTN); - ret = ak4104_spi_write(codec, AK4104_REG_CONTROL1, val); + snd_soc_update_bits(codec, AK4104_REG_CONTROL1, + AK4104_CONTROL1_PW | AK4104_CONTROL1_RSTN, 0); - return ret; + return 0; } static struct snd_soc_codec_driver soc_codec_device_ak4104 = { |