RT5663_BIAS_CUR_8
regmap_write(rt5663->regmap, RT5663_BIAS_CUR_8, 0xa402);
regmap_write(rt5663->regmap, RT5663_BIAS_CUR_8, 0x4402);
regmap_write(rt5663->regmap, RT5663_BIAS_CUR_8, 0xa402);
case RT5663_BIAS_CUR_8: