WM8940_OUTPUTCTL
val = snd_soc_component_read(component, WM8940_OUTPUTCTL);
ret = snd_soc_component_write(component, WM8940_OUTPUTCTL, val | 0x2);
reg = snd_soc_component_read(component, WM8940_OUTPUTCTL);
ret = snd_soc_component_write(component, WM8940_OUTPUTCTL, reg | pdata->vroi);
case WM8940_OUTPUTCTL: