bl_update_status  321 drivers/platform/x86/compal-laptop.c static int bl_update_status(struct backlight_device *b)
bl_update_status  251 drivers/platform/x86/fujitsu-laptop.c static int bl_update_status(struct backlight_device *b)
bl_update_status  293 drivers/platform/x86/msi-laptop.c static int bl_update_status(struct backlight_device *b)