1. 根目录:
2. sound
3. soc
4. kirkwood
5. Makefile

snd-soc-kirkwood-objs := kirkwood-dma.o kirkwood-i2s.o

obj-$(CONFIG_SND_KIRKWOOD_SOC) += snd-soc-kirkwood.o

snd-soc-armada-370-db-objs := armada-370-db.o

obj-$(CONFIG_SND_KIRKWOOD_SOC_ARMADA370_DB) += snd-soc-armada-370-db.o