WM8904_SW_RESET_AND_ID
case WM8904_SW_RESET_AND_ID:
snd_soc_component_write(component, WM8904_SW_RESET_AND_ID, 0);
case WM8904_SW_RESET_AND_ID:
ret = regmap_read(wm8904->regmap, WM8904_SW_RESET_AND_ID, &val);
ret = regmap_write(wm8904->regmap, WM8904_SW_RESET_AND_ID, 0);