TV_DAC_CNTL_BGADJ__SHIFT
tmp |= 8 << TV_DAC_CNTL_BGADJ__SHIFT;
tmp |= 6 << TV_DAC_CNTL_BGADJ__SHIFT;
(8<<TV_DAC_CNTL_BGADJ__SHIFT) | (8<<TV_DAC_CNTL_DACADJ__SHIFT);