PWM_LUMINANCE_SCALE  210 drivers/video/backlight/pwm_bl.c 		retval = cie1931((i * PWM_LUMINANCE_SCALE) /
PWM_LUMINANCE_SCALE  211 drivers/video/backlight/pwm_bl.c 				 data->max_brightness, PWM_LUMINANCE_SCALE) *
PWM_LUMINANCE_SCALE  213 drivers/video/backlight/pwm_bl.c 		retval = DIV_ROUND_CLOSEST_ULL(retval, PWM_LUMINANCE_SCALE);