/* udelay(100); important delay, or first sample will be crippled */
 }
 
-static void interrupt_pci9118_ai_mode4_switch(struct comedi_device *dev,
-                                             unsigned int next_buf)
+static void pci9118_ai_mode4_switch(struct comedi_device *dev,
+                                   unsigned int next_buf)
 {
        struct pci9118_private *devpriv = dev->private;
        struct pci9118_dmabuf *dmabuf = &devpriv->dmabuf[next_buf];
        if (more_dma && devpriv->dma_doublebuf) {
                devpriv->dma_actbuf = 1 - devpriv->dma_actbuf;
                pci9118_amcc_setup_dma(dev, devpriv->dma_actbuf);
-               if (devpriv->ai_do == 4) {
-                       interrupt_pci9118_ai_mode4_switch(dev,
-                                                         devpriv->dma_actbuf);
-               }
+               if (devpriv->ai_do == 4)
+                       pci9118_ai_mode4_switch(dev, devpriv->dma_actbuf);
        }
 
        if (n_all)
        if (more_dma && !devpriv->dma_doublebuf) {
                pci9118_amcc_setup_dma(dev, 0);
                if (devpriv->ai_do == 4)
-                       interrupt_pci9118_ai_mode4_switch(dev, 0);
+                       pci9118_ai_mode4_switch(dev, 0);
        }
 }