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ASoC: tlv320dac33: fix regression by adding back .read/.write

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commit c4305af43a ("ASoC: use internal reg_cache on tlv320dac33")
removed .read/.write from driver, but it might breaks non-regmap
driver, because ALSA SoC framework might call it.

To fix this regression, this patch back .read/.write

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2018-01-16 01:59:01 +00:00 committed by Mark Brown
parent c4305af43a
commit 3d3dd0d3ac
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1 changed files with 15 additions and 0 deletions
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15
sound/soc/codecs/tlv320dac33.c
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@ -246,6 +246,19 @@ static int dac33_write(struct snd_soc_codec *codec, unsigned int reg,
return ret;
}
static int dac33_write_locked(struct snd_soc_codec *codec, unsigned int reg,
unsigned int value)
{
struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
int ret;
mutex_lock(&dac33->mutex);
ret = dac33_write(codec, reg, value);
mutex_unlock(&dac33->mutex);
return ret;
}
#define DAC33_I2C_ADDR_AUTOINC 0x80
static int dac33_write16(struct snd_soc_codec *codec, unsigned int reg,
unsigned int value)
@ -1422,6 +1435,8 @@ static int dac33_soc_remove(struct snd_soc_codec *codec)
}
static const struct snd_soc_codec_driver soc_codec_dev_tlv320dac33 = {
.read = dac33_read_reg_cache,
.write = dac33_write_locked,
.set_bias_level = dac33_set_bias_level,
.idle_bias_off = true,