SN9C102_RGB_GAIN_MAX
B_GAIN, "", 1.0, 1.0+(float)(SN9C102_RGB_GAIN_MAX)/8, (float)1.0/8);
fRGain = (int)(8 * (gains[0] - 1.0)) & SN9C102_RGB_GAIN_MAX;
fGGain = (int)(8 * (gains[1] - 1.0)) & SN9C102_RGB_GAIN_MAX;
fBGain = (int)(8 * (gains[2] - 1.0)) & SN9C102_RGB_GAIN_MAX;