WM831X_DC4_ENA
wm831x_set_bits(wm831x, WM831X_DCDC_ENABLE, WM831X_DC4_ENA, 0);
WM831X_DC4_ENA, WM831X_DC4_ENA);
WM831X_DC4_ENA, 0);
wm831x_set_bits(wm831x, WM831X_DCDC_ENABLE, WM831X_DC4_ENA, 0);