WM8940_ADDCNTRL
SOC_SINGLE("ZC Timeout Clock Switch", WM8940_ADDCNTRL, 0, 1, 0),
u16 addcntrl = snd_soc_component_read(component, WM8940_ADDCNTRL) & 0xFFF1;
ret = snd_soc_component_write(component, WM8940_ADDCNTRL, addcntrl);
case WM8940_ADDCNTRL: