backlight_type    417 drivers/video/backlight/backlight.c struct backlight_device *backlight_device_get_by_type(enum backlight_type type)
backlight_type     86 include/linux/backlight.h 	enum backlight_type type;
backlight_type    192 include/linux/backlight.h extern struct backlight_device *backlight_device_get_by_type(enum backlight_type type);