CD_COUNT_TRACKS
cd_dbg(CD_COUNT_TRACKS, "track %d: format=%d, ctrl=%d\n",
cd_dbg(CD_COUNT_TRACKS, "disc has %d tracks: %d=audio %d=data %d=Cd-I %d=XA\n",
cd_dbg(CD_COUNT_TRACKS, "entering cdrom_count_tracks\n");