return 0;
 }
 
-static void usbduxsub_ai_IsocIrq(struct urb *urb)
+static void usbduxsigma_ai_urb_complete(struct urb *urb)
 {
        struct comedi_device *dev = urb->context;
        struct usbduxsigma_private *devpriv = dev->private;
        return 0;
 }
 
-static void usbduxsub_ao_IsocIrq(struct urb *urb)
+static void usbduxsigma_ao_urb_complete(struct urb *urb)
 {
        struct comedi_device *dev = urb->context;
        struct usbduxsigma_private *devpriv = dev->private;
        return usbbuxsigma_send_cmd(dev, USBDUXSIGMA_PWM_OFF_CMD);
 }
 
-static void usbduxsigma_pwm_irq(struct urb *urb)
+static void usbduxsigma_pwm_urb_complete(struct urb *urb)
 {
        struct comedi_device *dev = urb->context;
        struct usbduxsigma_private *devpriv = dev->private;
        /* in case of a resubmission after an unlink... */
        usb_fill_bulk_urb(urb, usb, usb_sndbulkpipe(usb, PWM_EP),
                          urb->transfer_buffer, devpriv->sizePwmBuf,
-                         usbduxsigma_pwm_irq, dev);
+                         usbduxsigma_pwm_urb_complete, dev);
 
        return usb_submit_urb(urb, GFP_ATOMIC);
 }
                urb->transfer_buffer = kzalloc(SIZEINBUF, GFP_KERNEL);
                if (!urb->transfer_buffer)
                        return -ENOMEM;
-               urb->complete = usbduxsub_ai_IsocIrq;
+               urb->complete = usbduxsigma_ai_urb_complete;
                urb->number_of_packets = 1;
                urb->transfer_buffer_length = SIZEINBUF;
                urb->iso_frame_desc[0].offset = 0;
                urb->transfer_buffer = kzalloc(SIZEOUTBUF, GFP_KERNEL);
                if (!urb->transfer_buffer)
                        return -ENOMEM;
-               urb->complete = usbduxsub_ao_IsocIrq;
+               urb->complete = usbduxsigma_ao_urb_complete;
                urb->number_of_packets = 1;
                urb->transfer_buffer_length = SIZEOUTBUF;
                urb->iso_frame_desc[0].offset = 0;