taglinefilesource code
nrz1211drivers/char/scc.cwr(scc,R10,(scc->modem.nrz? NRZ : NRZI)|CRCPS|ABUNDER); /* abort on underrun, preset CRC generator, NRZ(I) */
nrz191include/linux/scc.hchar nrz;    /* NRZ instead of NRZI */