LM3646_TOTAL_FLASH_BRT_MIN
LM3646_TOTAL_FLASH_BRT_MIN,
((a) < LM3646_TOTAL_FLASH_BRT_MIN ? 0 : \
((((a) - LM3646_TOTAL_FLASH_BRT_MIN) / LM3646_TOTAL_FLASH_BRT_STEP)))
