sound/hda/ext/Makefile - linux/kernel/git/paulmck/linux-rcu - Git at Google

 # SPDX-License-Identifier: GPL-2.0-only
 snd-hda-ext-core-objs := hdac_ext_bus.o hdac_ext_controller.o hdac_ext_stream.o

 obj-$(CONFIG_SND_HDA_EXT_CORE) += snd-hda-ext-core.o
	# SPDX-License-Identifier: GPL-2.0-only
	snd-hda-ext-core-objs := hdac_ext_bus.o hdac_ext_controller.o hdac_ext_stream.o

	obj-$(CONFIG_SND_HDA_EXT_CORE) += snd-hda-ext-core.o