RT5659_VOL_L_SFT
SOC_DAPM_SINGLE("Switch", RT5659_SPO_VOL, RT5659_VOL_L_SFT, 1, 1);
SOC_DAPM_SINGLE("Switch", RT5659_MONO_OUT, RT5659_VOL_L_SFT, 1, 1);
SOC_DAPM_SINGLE("Switch", RT5659_LOUT, RT5659_VOL_L_SFT, 1, 1);