include/sound/Kbuild - kernel/msm-5.4 - Gitiles

 header-y += asound_fm.h
 header-y += hdsp.h
 header-y += hdspm.h
 header-y += sfnt_info.h
 header-y += sscape_ioctl.h

 unifdef-y += asequencer.h
 unifdef-y += asound.h
 unifdef-y += emu10k1.h
 unifdef-y += sb16_csp.h
	header-y += asound_fm.h
	header-y += hdsp.h
	header-y += hdspm.h
	header-y += sfnt_info.h
	header-y += sscape_ioctl.h

	unifdef-y += asequencer.h
	unifdef-y += asound.h
	unifdef-y += emu10k1.h
	unifdef-y += sb16_csp.h