DPLL_SCALE_FACTOR
if (*m % DPLL_SCALE_FACTOR >= DPLL_ROUNDING_VAL)
*m = (*m / DPLL_SCALE_FACTOR) + carry;
scaled_rt_rp = req->rate / (ref_rate / DPLL_SCALE_FACTOR);
scaled_max_m = dd->max_multiplier * DPLL_SCALE_FACTOR;
(DPLL_SCALE_FACTOR / DPLL_SCALE_BASE))