read_brightness  1436 drivers/platform/x86/acer-wmi.c static int read_brightness(struct backlight_device *bd)
read_brightness  1760 drivers/platform/x86/asus-wmi.c static int read_brightness(struct backlight_device *bd)
read_brightness  1090 drivers/platform/x86/eeepc-laptop.c static int read_brightness(struct backlight_device *bd)
read_brightness   477 drivers/platform/x86/samsung-laptop.c static int read_brightness(struct samsung_laptop *samsung)