SH_CSS_DP_GAIN_SHIFT
uDIGIT_FITTING(from->gain, 8, SH_CSS_DP_GAIN_SHIFT);
uDIGIT_FITTING(gain * gr / r, 8, SH_CSS_DP_GAIN_SHIFT);
uDIGIT_FITTING(gain * gb / r, 8, SH_CSS_DP_GAIN_SHIFT);
uDIGIT_FITTING(gain * gb / b, 8, SH_CSS_DP_GAIN_SHIFT);
uDIGIT_FITTING(gain * gr / b, 8, SH_CSS_DP_GAIN_SHIFT);
uDIGIT_FITTING(gain * r / gr, 8, SH_CSS_DP_GAIN_SHIFT);
uDIGIT_FITTING(gain * b / gr, 8, SH_CSS_DP_GAIN_SHIFT);
uDIGIT_FITTING(gain * b / gb, 8, SH_CSS_DP_GAIN_SHIFT);
uDIGIT_FITTING(gain * r / gb, 8, SH_CSS_DP_GAIN_SHIFT);