uac3_as_header_descriptor 64 sound/usb/format.c struct uac3_as_header_descriptor *as = _fmt; uac3_as_header_descriptor 648 sound/usb/format.c struct uac3_as_header_descriptor *as, uac3_as_header_descriptor 12 sound/usb/format.h struct uac3_as_header_descriptor *as, uac3_as_header_descriptor 864 sound/usb/stream.c struct uac3_as_header_descriptor *as = NULL;