playback_urb_complete 203 sound/usb/misc/ua101.c urb->complete = playback_urb_complete; playback_urb_complete 204 sound/usb/misc/ua101.c playback_urb_complete(urb); playback_urb_complete 1288 sound/usb/misc/ua101.c err = alloc_stream_urbs(ua, &ua->playback, playback_urb_complete);