WM831X_CS1_DRIVE
ret = wm831x_set_bits(wm831x, isink->reg, WM831X_CS1_DRIVE,
WM831X_CS1_DRIVE);
ret = wm831x_set_bits(wm831x, isink->reg, WM831X_CS1_DRIVE, 0);
if ((ret & (WM831X_CS1_ENA | WM831X_CS1_DRIVE)) ==
(WM831X_CS1_ENA | WM831X_CS1_DRIVE))
WM831X_CS1_DRIVE | WM831X_CS1_ENA, 0);
WM831X_CS1_DRIVE, WM831X_CS1_DRIVE);