LEVEL_STEP         26 drivers/video/fbdev/nvidia/nv_backlight.c #define LEVEL_STEP ((MAX_LEVEL - MIN_LEVEL) / FB_BACKLIGHT_MAX)
LEVEL_STEP        273 drivers/video/fbdev/riva/fbdev.c #define LEVEL_STEP ((MAX_LEVEL - MIN_LEVEL) / FB_BACKLIGHT_MAX)