_PICK_EVEN
#define _PIPE(pipe, a, b) _PICK_EVEN(pipe, a, b)
#define _PLANE(plane, a, b) _PICK_EVEN(plane, a, b)
#define _TRANS(tran, a, b) _PICK_EVEN(tran, a, b)
#define _PORT(port, a, b) _PICK_EVEN(port, a, b)
#define _PLL(pll, a, b) _PICK_EVEN(pll, a, b)
#define _ID(id, a, b) _PICK_EVEN(id, a, b)
_PICK_EVEN((x) - 8, BXT_D_CR_DRP0_DUNIT8,\