prepare_nodata_playback_urb  655 sound/usb/usbaudio.c 		.prepare =	prepare_nodata_playback_urb,
prepare_nodata_playback_urb  670 sound/usb/usbaudio.c 		.prepare =	prepare_nodata_playback_urb,
prepare_nodata_playback_urb  962 sound/usb/usbaudio.c 		subs->ops.prepare = prepare_nodata_playback_urb;
prepare_nodata_playback_urb 1553 sound/usb/usbaudio.c 		subs->ops.prepare = prepare_nodata_playback_urb;