WM831X_CHG_STATE_SHIFT
#define WM831X_CHG_STATE_OFF (0 << WM831X_CHG_STATE_SHIFT)
#define WM831X_CHG_STATE_TRICKLE (1 << WM831X_CHG_STATE_SHIFT)
#define WM831X_CHG_STATE_FAST (2 << WM831X_CHG_STATE_SHIFT)
#define WM831X_CHG_STATE_TRICKLE_OT (3 << WM831X_CHG_STATE_SHIFT)
#define WM831X_CHG_STATE_FAST_OT (4 << WM831X_CHG_STATE_SHIFT)
#define WM831X_CHG_STATE_DEFECTIVE (5 << WM831X_CHG_STATE_SHIFT)