ICL_PHY_MISC_MUX_DDID
expected_val = ICL_PHY_MISC_MUX_DDID;
ICL_PHY_MISC_MUX_DDID,
val &= ~ICL_PHY_MISC_MUX_DDID;
val |= ICL_PHY_MISC_MUX_DDID;