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ASoC: da7219: Add regmap patch to support old silicon

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Initial silicon did not have master bias enabled by default, unlike
later HW, so use regmap patch to align with newer defaults.

Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Adam Thomson 2015-12-23 13:50:04 +00:00 committed by Mark Brown
parent 501f72e9c5
commit abd7c894fc
1 changed files with 25 additions and 1 deletions
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26
sound/soc/codecs/da7219.c
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@ -1592,9 +1592,14 @@ static void da7219_handle_pdata(struct snd_soc_codec *codec)
}
}
static struct reg_sequence da7219_rev_aa_patch[] = {
{ DA7219_REFERENCES, 0x08 },
};
static int da7219_probe(struct snd_soc_codec *codec)
{
struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
unsigned int rev;
int ret;
mutex_init(&da7219->lock);
@ -1604,6 +1609,26 @@ static int da7219_probe(struct snd_soc_codec *codec)
if (ret)
return ret;
ret = regmap_read(da7219->regmap, DA7219_CHIP_REVISION, &rev);
if (ret) {
dev_err(codec->dev, "Failed to read chip revision: %d\n", ret);
goto err_disable_reg;
}
switch (rev & DA7219_CHIP_MINOR_MASK) {
case 0:
ret = regmap_register_patch(da7219->regmap, da7219_rev_aa_patch,
ARRAY_SIZE(da7219_rev_aa_patch));
if (ret) {
dev_err(codec->dev, "Failed to register AA patch: %d\n",
ret);
goto err_disable_reg;
}
break;
default:
break;
}
/* Handle DT/Platform data */
if (codec->dev->of_node)
da7219->pdata = da7219_of_to_pdata(codec);
@ -1774,7 +1799,6 @@ static struct reg_default da7219_reg_defaults[] = {
{ DA7219_MIXOUT_R_CTRL, 0x10 },
{ DA7219_CHIP_ID1, 0x23 },
{ DA7219_CHIP_ID2, 0x93 },
{ DA7219_CHIP_REVISION, 0x00 },
{ DA7219_IO_CTRL, 0x00 },
{ DA7219_GAIN_RAMP_CTRL, 0x00 },
{ DA7219_PC_COUNT, 0x02 },