PLL_FRAC_CTRL2_POSTDIV1_SHIFT
old_postdiv1 = (val >> PLL_FRAC_CTRL2_POSTDIV1_SHIFT) &
PLL_FRAC_CTRL2_POSTDIV1_SHIFT) |
(params->postdiv1 << PLL_FRAC_CTRL2_POSTDIV1_SHIFT) |
postdiv1 = (val >> PLL_FRAC_CTRL2_POSTDIV1_SHIFT) &