From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
commit c4305af43a8 ("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 --- sound/soc/codecs/tlv320dac33.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c index 675f5b1..8c71d2f 100644 --- a/sound/soc/codecs/tlv320dac33.c +++ b/sound/soc/codecs/tlv320dac33.c @@ -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,