taglinefilesource code
wreg_chn157drivers/cdrom/mcdx.cvoid* wreg_chn;    /* w channel */
wreg_chn1095drivers/cdrom/mcdx.cstuffp->wreg_chn = stuffp->wreg_hcon + 1;
wreg_chn1194drivers/cdrom/mcdx.coutb(0x50, (unsigned int) stuffp->wreg_chn);  /* irq 11 -> channel register */
wreg_chn1713drivers/cdrom/mcdx.coutb(0, (unsigned int) stuffp->wreg_chn);    /* no dma, no irq -> hardware */