DTR_WRITE         305 dev/sbus/spif.c 		DTR_WRITE(sc, port, 0);
DTR_WRITE         550 dev/sbus/spif.c 		DTR_WRITE(csc, sp->sp_channel, ISSET(bits, TIOCM_DTR) ? 1 : 0);
DTR_WRITE         560 dev/sbus/spif.c 			DTR_WRITE(csc, sp->sp_channel, 1);
DTR_WRITE         567 dev/sbus/spif.c 			DTR_WRITE(csc, sp->sp_channel, 0);