WM8940_ADC
WM8940_ADC, 7, wm8940_filter_mode_text);
SOC_SINGLE("High Pass Filter Switch", WM8940_ADC, 8, 1, 0),
SOC_SINGLE("High Pass Filter Cut Off", WM8940_ADC, 4, 7, 0),
SOC_SINGLE("ADC Inversion Switch", WM8940_ADC, 0, 1, 0),
case WM8940_ADC: