sound/soc/adi/Makefile - third_party/linux - Git at Google

 snd-soc-adi-axi-i2s-objs := axi-i2s.o
 snd-soc-adi-axi-spdif-objs := axi-spdif.o

 obj-$(CONFIG_SND_SOC_ADI_AXI_I2S) += snd-soc-adi-axi-i2s.o
 obj-$(CONFIG_SND_SOC_ADI_AXI_SPDIF) += snd-soc-adi-axi-spdif.o
	snd-soc-adi-axi-i2s-objs := axi-i2s.o
	snd-soc-adi-axi-spdif-objs := axi-spdif.o

	obj-$(CONFIG_SND_SOC_ADI_AXI_I2S) += snd-soc-adi-axi-i2s.o
	obj-$(CONFIG_SND_SOC_ADI_AXI_SPDIF) += snd-soc-adi-axi-spdif.o