1. 根目录:
2. drivers
3. leds
4. trigger
5. Makefile

obj-$(CONFIG_LEDS_TRIGGER_TIMER)	+= ledtrig-timer.o
obj-$(CONFIG_LEDS_TRIGGER_ONESHOT)	+= ledtrig-oneshot.o
obj-$(CONFIG_LEDS_TRIGGER_IDE_DISK)	+= ledtrig-ide-disk.o
obj-$(CONFIG_LEDS_TRIGGER_HEARTBEAT)	+= ledtrig-heartbeat.o
obj-$(CONFIG_LEDS_TRIGGER_BACKLIGHT)	+= ledtrig-backlight.o
obj-$(CONFIG_LEDS_TRIGGER_GPIO)		+= ledtrig-gpio.o
obj-$(CONFIG_LEDS_TRIGGER_CPU)		+= ledtrig-cpu.o
obj-$(CONFIG_LEDS_TRIGGER_DEFAULT_ON)	+= ledtrig-default-on.o
obj-$(CONFIG_LEDS_TRIGGER_TRANSIENT)	+= ledtrig-transient.o
obj-$(CONFIG_LEDS_TRIGGER_CAMERA)	+= ledtrig-camera.o