+static irqreturn_t dt2814_interrupt(int irq, void *d)
+{
+ int lo, hi;
+ struct comedi_device *dev = d;
+ struct comedi_subdevice *s;
+ int data;
+
+ if (!dev->attached) {
+ comedi_error(dev, "spurious interrupt");
+ return IRQ_HANDLED;
+ }
+
+ s = dev->subdevices + 0;
+
+ hi = inb(dev->iobase + DT2814_DATA);
+ lo = inb(dev->iobase + DT2814_DATA);
+
+ data = (hi << 4) | (lo >> 4);
+
+ if (!(--devpriv->ntrig)) {
+ int i;
+
+ outb(0, dev->iobase + DT2814_CSR);
+ /* note: turning off timed mode triggers another
+ sample. */
+
+ for (i = 0; i < DT2814_TIMEOUT; i++) {
+ if (inb(dev->iobase + DT2814_CSR) & DT2814_FINISH)
+ break;
+ }
+ inb(dev->iobase + DT2814_DATA);
+ inb(dev->iobase + DT2814_DATA);
+
+ s->async->events |= COMEDI_CB_EOA;
+ }
+ comedi_event(dev, s);
+ return IRQ_HANDLED;
+}
+