diff options
| author | Zhang Yi <zhangyi@everest-semi.com> | 2024-06-24 11:06:06 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2024-06-24 13:38:25 +0100 |
| commit | 7e7dbdee96cbc660e7e8d3d9d7a512acaa6ca69d (patch) | |
| tree | b3cbf08bba2ef8bf43266e81c729076d8679b721 /sound | |
| parent | 4eed78198b30c4c5975e454e7b1e6e25a7ac7353 (diff) | |
ASoC: codecs: ES8326: Minimize the pop noise
Executing regcache_sync at initialization, we can hear a gentle pop
noise. So we created es8326_init for initialization instead of
executing es8326_resume
Signed-off-by: Zhang Yi <zhangyi@everest-semi.com>
Link: https://patch.msgid.link/20240624030607.4307-4-zhangyi@everest-semi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/es8326.c | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/sound/soc/codecs/es8326.c b/sound/soc/codecs/es8326.c index 0468e6db81ca..55edab04fa4b 100644 --- a/sound/soc/codecs/es8326.c +++ b/sound/soc/codecs/es8326.c @@ -974,14 +974,10 @@ static int es8326_calibrate(struct snd_soc_component *component) return 0; } -static int es8326_resume(struct snd_soc_component *component) +static void es8326_init(struct snd_soc_component *component) { struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); - regcache_cache_only(es8326->regmap, false); - regcache_sync(es8326->regmap); - - /* reset internal clock state */ regmap_write(es8326->regmap, ES8326_RESET, 0x1f); regmap_write(es8326->regmap, ES8326_VMIDSEL, 0x0E); regmap_write(es8326->regmap, ES8326_ANA_LP, 0xf0); @@ -1037,7 +1033,6 @@ static int es8326_resume(struct snd_soc_component *component) es8326_enable_micbias(es8326->component); usleep_range(50000, 70000); regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x00); - regmap_write(es8326->regmap, ES8326_INT_SOURCE, ES8326_INT_SRC_PIN9); regmap_write(es8326->regmap, ES8326_INTOUT_IO, es8326->interrupt_clk); regmap_write(es8326->regmap, ES8326_SDINOUT1_IO, @@ -1053,6 +1048,28 @@ static int es8326_resume(struct snd_soc_component *component) ES8326_MUTE); regmap_write(es8326->regmap, ES8326_ADC_MUTE, 0x0f); + regmap_write(es8326->regmap, ES8326_CLK_DIV_LRCK, 0xff); + + msleep(200); + regmap_write(es8326->regmap, ES8326_INT_SOURCE, ES8326_INT_SRC_PIN9); +} + +static int es8326_resume(struct snd_soc_component *component) +{ + struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); + unsigned int reg; + + regcache_cache_only(es8326->regmap, false); + regcache_cache_bypass(es8326->regmap, true); + regmap_read(es8326->regmap, ES8326_CLK_RESAMPLE, ®); + regcache_cache_bypass(es8326->regmap, false); + /* reset internal clock state */ + if (reg == 0x05) + regmap_write(es8326->regmap, ES8326_CLK_CTL, ES8326_CLK_ON); + else + es8326_init(component); + + regcache_sync(es8326->regmap); es8326_irq(es8326->irq, es8326); return 0; @@ -1112,7 +1129,7 @@ static int es8326_probe(struct snd_soc_component *component) } dev_dbg(component->dev, "interrupt-clk %x", es8326->interrupt_clk); - es8326_resume(component); + es8326_init(component); return 0; } |