CDROM_BLK_2352
blk_size = CDROM_BLK_2352;
case CDROM_BLK_2352:
buflen = CDROM_BLK_2352 * cdda->cdda_length;
buflen = CDROM_BLK_2352 * cdxa->cdxa_length;
blk_size = CDROM_BLK_2352;
(((blksz) == CDROM_BLK_2048) || ((blksz) == CDROM_BLK_2352) || \
(((blksz) == CDROM_BLK_2048) || ((blksz) == CDROM_BLK_2352) || \