ucca 1768 drivers/cdrom/cdrom.c ai->lrpcs.ucca = rpc_state.ucca; ucca 258 include/linux/cdrom.h __u8 ucca : 3; ucca 260 include/linux/cdrom.h __u8 ucca : 3; ucca 679 include/uapi/linux/cdrom.h __u8 ucca : 3;