diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
index 533d156c546e..0ba5385226ae 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
@@ -170,23 +170,6 @@ static int apci1564_do_config(struct comedi_device *dev,
 	return insn->n;
 }
 
-static int apci1564_do_insn_bits(struct comedi_device *dev,
-				 struct comedi_subdevice *s,
-				 struct comedi_insn *insn,
-				 unsigned int *data)
-{
-	struct addi_private *devpriv = dev->private;
-
-	s->state = inl(devpriv->i_IobaseAmcc + APCI1564_DO_REG);
-
-	if (comedi_dio_update_state(s, data))
-		outl(s->state, devpriv->i_IobaseAmcc + APCI1564_DO_REG);
-
-	data[1] = s->state;
-
-	return insn->n;
-}
-
 /*
  * Configures The Timer, Counter or Watchdog
  *
diff --git a/drivers/staging/comedi/drivers/addi_apci_1564.c b/drivers/staging/comedi/drivers/addi_apci_1564.c
index fe477cc55af7..13d9962b47ec 100644
--- a/drivers/staging/comedi/drivers/addi_apci_1564.c
+++ b/drivers/staging/comedi/drivers/addi_apci_1564.c
@@ -26,6 +26,23 @@ static int apci1564_di_insn_bits(struct comedi_device *dev,
 	return insn->n;
 }
 
+static int apci1564_do_insn_bits(struct comedi_device *dev,
+				 struct comedi_subdevice *s,
+				 struct comedi_insn *insn,
+				 unsigned int *data)
+{
+	struct addi_private *devpriv = dev->private;
+
+	s->state = inl(devpriv->i_IobaseAmcc + APCI1564_DO_REG);
+
+	if (comedi_dio_update_state(s, data))
+		outl(s->state, devpriv->i_IobaseAmcc + APCI1564_DO_REG);
+
+	data[1] = s->state;
+
+	return insn->n;
+}
+
 static int apci1564_reset(struct comedi_device *dev)
 {
 	struct addi_private *devpriv = dev->private;