AIO-3399C ai industy 7.1 编译的版本有phone 口有pop音

aric_su · August 20, 2020, 7:56am

AIO-3399C ai industy 7.1 编译的版本有phone 口有pop音，而老版本ai box 编出的没有

firefly_zhongw · August 20, 2020, 9:06am

耳机输出有pop音，尝试如下修改：
— a/kernel/sound/soc/codecs/rt5640.c
+++ b/kernel/sound/soc/codecs/rt5640.c
@@ -1149,8 +1149,18 @@ static void rt5640_pmu_depop(struct snd_soc_codec *codec)
regmap_write(rt5640->regmap, RT5640_PR_BASE +
RT5640_MAMP_INT_REG2, 0x1c00);
regmap_update_bits(rt5640->regmap, RT5640_DEPOP_M1,

          RT5640_HP_CP_MASK | RT5640_HP_SG_MASK,

          RT5640_HP_CP_PD | RT5640_HP_SG_EN);

```
          RT5640_HP_SG_MASK,
```
```
          RT5640_HP_SG_EN);
```

   regmap_write(rt5640->regmap, RT5640_HP_VOL, 0xc8c8);

  regmap_update_bits(rt5640->regmap, RT5640_DEPOP_M1,

```
          RT5640_HP_CB_MASK,
```
```
          RT5640_HP_CB_PD);
```
```
  msleep(10);
```

  regmap_update_bits(rt5640->regmap, RT5640_DEPOP_M1,

```
          RT5640_HP_CB_MASK,
```
```
          RT5640_HP_CB_PU);
```

   regmap_write(rt5640->regmap, RT5640_HP_VOL, 0x4848);

aric_su · August 20, 2020, 9:19am

好的，我试试，

aric_su · August 20, 2020, 10:13am

firefly_zhongw 发表于 2020-8-20 17:06
耳机输出有pop音，尝试如下修改：
— a/kernel/sound/soc/codecs/rt5640.c
+++ b/kernel/sound/soc/code …

问题解决了，非常感谢，多谢{:4_121:}