SIGC_WRITE 256 sound/drivers/mtpav.c clrwrite = tcbyt & (SIGC_WRITE ^ 0xff); SIGC_WRITE 257 sound/drivers/mtpav.c setwrite = tcbyt | SIGC_WRITE; SIGC_WRITE 347 sound/drivers/mtpav.c snd_mtpav_mputreg(mtp_card, CREG, (SIGC_INTEN | SIGC_WRITE)); // enable pport interrupts