arch/arm/mach-pxa/include/mach/audio.h drivers/gpu/drm/amd/display/dc/inc/hw/audio.h include/linux/mfd/wm8350/audio.h include/linux/usb/audio.h include/uapi/linux/dvb/audio.h include/uapi/linux/usb/audio.h sound/usb/caiaq/audio.h