}
 
-static int pci9118_insn_write_ao(struct comedi_device *dev,
-                                struct comedi_subdevice *s,
-                                struct comedi_insn *insn,
-                                unsigned int *data)
-{
-       unsigned int chan = CR_CHAN(insn->chanspec);
-       unsigned int val = s->readback[chan];
-       int i;
-
-       for (i = 0; i < insn->n; i++) {
-               val = data[i];
-               outl(val, dev->iobase + PCI9118_AO_REG(chan));
-       }
-       s->readback[chan] = val;
-
-       return insn->n;
-}
-
 static void interrupt_pci9118_ai_mode4_switch(struct comedi_device *dev)
 {
        struct pci9118_private *devpriv = dev->private;
        return ret;
 }
 
+static int pci9118_ao_insn_write(struct comedi_device *dev,
+                                struct comedi_subdevice *s,
+                                struct comedi_insn *insn,
+                                unsigned int *data)
+{
+       unsigned int chan = CR_CHAN(insn->chanspec);
+       unsigned int val = s->readback[chan];
+       int i;
+
+       for (i = 0; i < insn->n; i++) {
+               val = data[i];
+               outl(val, dev->iobase + PCI9118_AO_REG(chan));
+       }
+       s->readback[chan] = val;
+
+       return insn->n;
+}
+
 static int pci9118_di_insn_bits(struct comedi_device *dev,
                                struct comedi_subdevice *s,
                                struct comedi_insn *insn,
        s->n_chan       = 2;
        s->maxdata      = 0x0fff;
        s->range_table  = &range_bipolar10;
-       s->insn_write   = pci9118_insn_write_ao;
+       s->insn_write   = pci9118_ao_insn_write;
        s->insn_read    = comedi_readback_insn_read;
 
        ret = comedi_alloc_subdev_readback(s);