proc_dump_substream_status 2217 sound/usb/usbaudio.c 		proc_dump_substream_status(&stream->substream[SNDRV_PCM_STREAM_PLAYBACK], buffer);
proc_dump_substream_status 2222 sound/usb/usbaudio.c 		proc_dump_substream_status(&stream->substream[SNDRV_PCM_STREAM_CAPTURE], buffer);