RT5659_HP_VOL
SOC_DAPM_SINGLE("Switch", RT5659_HP_VOL, RT5659_L_MUTE_SFT, 1, 1);
SOC_DAPM_SINGLE("Switch", RT5659_HP_VOL, RT5659_R_MUTE_SFT, 1, 1);
regmap_write(rt5659->regmap, RT5659_HP_VOL, 0x0000);
regmap_write(rt5659->regmap, RT5659_HP_VOL, 0x8080);
case RT5659_HP_VOL: