MIN_LEVEL
#define LEVEL_STEP ((MAX_LEVEL - MIN_LEVEL) / FB_BACKLIGHT_MAX)
nlevel = MIN_LEVEL + info->bl_curve[level] * LEVEL_STEP;
else if (nlevel < MIN_LEVEL)
nlevel = MIN_LEVEL;
#define LEVEL_STEP ((MAX_LEVEL - MIN_LEVEL) / FB_BACKLIGHT_MAX)
nlevel = MIN_LEVEL + info->bl_curve[level] * LEVEL_STEP;
else if (nlevel < MIN_LEVEL)
nlevel = MIN_LEVEL;
MIN_LEVEL * FB_BACKLIGHT_MAX / MAX_LEVEL,