MAX98520_R209F_AMP_EN
regmap_write(max98520->regmap, MAX98520_R209F_AMP_EN, 1);
regmap_write(max98520->regmap, MAX98520_R209F_AMP_EN, 0);
{MAX98520_R209F_AMP_EN, 0x00},
case MAX98520_R209F_AMP_EN: