WM8940_INPUTCTL
WM8940_INPUTCTL, 8, wm8940_mic_bias_level_text);
SOC_DAPM_SINGLE("AUX Switch", WM8940_INPUTCTL, 2, 1, 0),
SOC_DAPM_SINGLE("MICP Switch", WM8940_INPUTCTL, 0, 1, 0),
SOC_DAPM_SINGLE("MICN Switch", WM8940_INPUTCTL, 1, 1, 0),
case WM8940_INPUTCTL: