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ASoC: codecs: ES8326: Adjust ANA_MICBIAS to reduce pop noise

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We modify the value of ES8326_ANA_MICBIAS to reduce the pop noise

Signed-off-by: Zhang Yi <zhangyi@everest-semi.com>
Link: https://patch.msgid.link/20241230032752.108298-1-zhangyi@everest-semi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Zhang Yi
2024-12-30 11:27:52 +08:00
committed by Mark Brown
parent 32c9c06adb
commit b1d4ac91a9
1 changed files with 19 additions and 4 deletions
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23
sound/soc/codecs/es8326.c
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@@ -616,7 +616,7 @@ static int es8326_mute(struct snd_soc_dai *dai, int mute, int direction)
0x0F, 0x0F);
if (es8326->version > ES8326_VERSION_B) {
regmap_update_bits(es8326->regmap, ES8326_VMIDSEL, 0x40, 0x40);
regmap_update_bits(es8326->regmap, ES8326_ANA_MICBIAS, 0x70, 0x10);
regmap_update_bits(es8326->regmap, ES8326_ANA_MICBIAS, 0x70, 0x30);
}
}
} else {
@@ -631,6 +631,8 @@ static int es8326_mute(struct snd_soc_dai *dai, int mute, int direction)
regmap_write(es8326->regmap, ES8326_HPR_OFFSET_INI, offset_r);
es8326->calibrated = true;
}
regmap_update_bits(es8326->regmap, ES8326_CLK_INV, 0xc0, 0x00);
regmap_update_bits(es8326->regmap, ES8326_CLK_MUX, 0x80, 0x00);
if (direction == SNDRV_PCM_STREAM_PLAYBACK) {
regmap_update_bits(es8326->regmap, ES8326_DAC_DSM, 0x01, 0x01);
usleep_range(1000, 5000);
@@ -645,7 +647,7 @@ static int es8326_mute(struct snd_soc_dai *dai, int mute, int direction)
} else {
msleep(300);
if (es8326->version > ES8326_VERSION_B) {
regmap_update_bits(es8326->regmap, ES8326_ANA_MICBIAS, 0x70, 0x50);
regmap_update_bits(es8326->regmap, ES8326_ANA_MICBIAS, 0x70, 0x70);
regmap_update_bits(es8326->regmap, ES8326_VMIDSEL, 0x40, 0x00);
}
regmap_update_bits(es8326->regmap, ES8326_ADC_MUTE,
@@ -676,6 +678,10 @@ static int es8326_set_bias_level(struct snd_soc_component *codec,
regmap_write(es8326->regmap, ES8326_ANA_PDN, 0x00);
regmap_update_bits(es8326->regmap, ES8326_CLK_CTL, 0x20, 0x20);
regmap_update_bits(es8326->regmap, ES8326_RESET, 0x02, 0x00);
if (es8326->version > ES8326_VERSION_B) {
regmap_update_bits(es8326->regmap, ES8326_VMIDSEL, 0x40, 0x40);
regmap_update_bits(es8326->regmap, ES8326_ANA_MICBIAS, 0x70, 0x30);
}
break;
case SND_SOC_BIAS_PREPARE:
break;
@@ -683,6 +689,12 @@ static int es8326_set_bias_level(struct snd_soc_component *codec,
regmap_write(es8326->regmap, ES8326_ANA_PDN, 0x3b);
regmap_update_bits(es8326->regmap, ES8326_CLK_CTL, 0x20, 0x00);
regmap_write(es8326->regmap, ES8326_SDINOUT1_IO, ES8326_IO_INPUT);
if (es8326->version > ES8326_VERSION_B) {
regmap_update_bits(es8326->regmap, ES8326_VMIDSEL, 0x40, 0x40);
regmap_update_bits(es8326->regmap, ES8326_ANA_MICBIAS, 0x70, 0x10);
}
regmap_update_bits(es8326->regmap, ES8326_CLK_INV, 0xc0, 0xc0);
regmap_update_bits(es8326->regmap, ES8326_CLK_MUX, 0x80, 0x80);
break;
case SND_SOC_BIAS_OFF:
clk_disable_unprepare(es8326->mclk);
@@ -773,7 +785,10 @@ static void es8326_jack_button_handler(struct work_struct *work)
case 0x6f:
case 0x4b:
/* button volume up */
cur_button = SND_JACK_BTN_1;
if ((iface == 0x6f) && (es8326->version > ES8326_VERSION_B))
cur_button = SND_JACK_BTN_0;
else
cur_button = SND_JACK_BTN_1;
break;
case 0x27:
/* button volume down */
@@ -1082,7 +1097,7 @@ static void es8326_init(struct snd_soc_component *component)
regmap_write(es8326->regmap, ES8326_ADC2_SRC, 0x66);
es8326_disable_micbias(es8326->component);
if (es8326->version > ES8326_VERSION_B) {
regmap_update_bits(es8326->regmap, ES8326_ANA_MICBIAS, 0x73, 0x13);
regmap_update_bits(es8326->regmap, ES8326_ANA_MICBIAS, 0x73, 0x10);
regmap_update_bits(es8326->regmap, ES8326_VMIDSEL, 0x40, 0x40);
}