korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-15 00:04:15 +08:00
Code Issues Packages Projects Releases Wiki Activity

ASoC: codecs: ES8326: Minimize the pop noise on headphone

Browse Source 
We modify the register settings to minimize headphone pop noise
during ES8326 power-up and music start/stop.

Signed-off-by: Zhu Ning <zhuning0077@gmail.com>
Link: https://msgid.link/r/20240120101240.12496-5-zhuning0077@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Zhu Ning 2024-01-20 18:12:39 +08:00 committed by Mark Brown
parent 14a0a1ec33
commit a3aa9255d6
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 20 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
sound/soc/codecs/es8326.c
View File

@ -523,7 +523,8 @@ static int es8326_mute(struct snd_soc_dai *dai, int mute, int direction)
regmap_write(es8326->regmap, ES8326_HP_CAL, ES8326_HP_OFF);
regmap_update_bits(es8326->regmap, ES8326_DAC_MUTE,
ES8326_MUTE_MASK, ES8326_MUTE);
regmap_write(es8326->regmap, ES8326_HP_DRIVER, 0xf0);
regmap_update_bits(es8326->regmap, ES8326_HP_DRIVER_REF,
0x30, 0x00);
} else {
if (!es8326->calibrated) {
regmap_write(es8326->regmap, ES8326_HP_CAL, ES8326_HP_FORCE_CAL);
@ -536,8 +537,13 @@ 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_DAC_DSM, 0x01, 0x01);
usleep_range(1000, 5000);
regmap_update_bits(es8326->regmap, ES8326_DAC_DSM, 0x01, 0x00);
usleep_range(1000, 5000);
regmap_update_bits(es8326->regmap, ES8326_HP_DRIVER_REF, 0x30, 0x20);
regmap_update_bits(es8326->regmap, ES8326_HP_DRIVER_REF, 0x30, 0x30);
regmap_write(es8326->regmap, ES8326_HP_DRIVER, 0xa1);
regmap_write(es8326->regmap, ES8326_HP_VOL, 0x91);
regmap_write(es8326->regmap, ES8326_HP_CAL, ES8326_HP_ON);
regmap_update_bits(es8326->regmap, ES8326_DAC_MUTE,
ES8326_MUTE_MASK, ~(ES8326_MUTE));
@ -557,23 +563,20 @@ static int es8326_set_bias_level(struct snd_soc_component *codec,
if (ret)
return ret;
regmap_update_bits(es8326->regmap, ES8326_DAC_DSM, 0x01, 0x00);
regmap_update_bits(es8326->regmap, ES8326_RESET, 0x02, 0x02);
usleep_range(5000, 10000);
regmap_write(es8326->regmap, ES8326_INTOUT_IO, es8326->interrupt_clk);
regmap_write(es8326->regmap, ES8326_SDINOUT1_IO,
(ES8326_IO_DMIC_CLK << ES8326_SDINOUT1_SHIFT));
regmap_write(es8326->regmap, ES8326_VMIDSEL, 0x0E);
regmap_write(es8326->regmap, ES8326_PGA_PDN, 0x40);
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,
ES8326_CSM_ON, ES8326_CSM_ON);
regmap_update_bits(es8326->regmap, ES8326_RESET, 0x02, 0x00);
break;
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
regmap_write(es8326->regmap, ES8326_ANA_PDN, 0x3b);
regmap_write(es8326->regmap, ES8326_VMIDSEL, 0x00);
regmap_update_bits(es8326->regmap, ES8326_CLK_CTL, 0x20, 0x00);
regmap_write(es8326->regmap, ES8326_SDINOUT1_IO, ES8326_IO_INPUT);
break;
@ -777,6 +780,7 @@ static void es8326_jack_detect_handler(struct work_struct *work)
* Don't report jack status.
*/
regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x01);
es8326_enable_micbias(es8326->component);
usleep_range(50000, 70000);
regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x00);
regmap_write(es8326->regmap, ES8326_SYS_BIAS, 0x1f);
@ -820,13 +824,10 @@ exit:
static irqreturn_t es8326_irq(int irq, void *dev_id)
{
struct es8326_priv *es8326 = dev_id;
struct snd_soc_component *comp = es8326->component;
if (!es8326->jack)
goto out;
es8326_enable_micbias(comp);
if (es8326->jack->status & SND_JACK_HEADSET)
queue_delayed_work(system_wq, &es8326->jack_detect_work,
msecs_to_jiffies(10));
@ -943,6 +944,14 @@ static int es8326_resume(struct snd_soc_component *component)
regmap_write(es8326->regmap, ES8326_DAC_DSM, 0x08);
regmap_write(es8326->regmap, ES8326_DAC_VPPSCALE, 0x15);
regmap_write(es8326->regmap, ES8326_HPDET_TYPE, 0x80 |
((es8326->version == ES8326_VERSION_B) ?
(ES8326_HP_DET_SRC_PIN9 | es8326->jack_pol) :
(ES8326_HP_DET_SRC_PIN9 | es8326->jack_pol | 0x04)));
usleep_range(5000, 10000);
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 | ES8326_INT_SRC_BUTTON));
regmap_write(es8326->regmap, ES8326_INTOUT_IO,
@ -959,11 +968,6 @@ static int es8326_resume(struct snd_soc_component *component)
regmap_update_bits(es8326->regmap, ES8326_DAC_MUTE, ES8326_MUTE_MASK,
ES8326_MUTE);
regmap_write(es8326->regmap, ES8326_HPDET_TYPE, 0x80 |
((es8326->version == ES8326_VERSION_B) ?
(ES8326_HP_DET_SRC_PIN9 | es8326->jack_pol) :
(ES8326_HP_DET_SRC_PIN9 | es8326->jack_pol | 0x04)));
regmap_write(es8326->regmap, ES8326_HP_VOL, 0x11);
es8326->jack_remove_retry = 0;
es8326->hp = 0;