update_chan       990 drivers/staging/comedi/drivers/das1800.c 	unsigned int update_chan = s->n_chan - 1;
update_chan      1009 drivers/staging/comedi/drivers/das1800.c 		if (chan != update_chan) {
update_chan      1010 drivers/staging/comedi/drivers/das1800.c 			val = comedi_offset_munge(s, s->readback[update_chan]);
update_chan      1012 drivers/staging/comedi/drivers/das1800.c 			outb(DAC(update_chan), dev->iobase + DAS1800_SELECT);