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 ---

This patch is based on the following commit:

'ASoC: da7219: Remove support for 32KHz PLL mode' (Commit 501f72e9c5205b9d70d5d61e9b186ae7ba873f73, kernel/git/broonie/sound.git)

sound/soc/codecs/da7219.c | 26 +++++++++++++++++++++++++- 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/da7219.c b/sound/soc/codecs/da7219.c index 82a7236..341a191 100644 --- a/sound/soc/codecs/da7219.c +++ b/sound/soc/codecs/da7219.c @@ -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 }, -- 1.9.3