return 0;
 }
 
+static void config_easycap(struct easycap *peasycap,
+                          u8 bInterfaceNumber,
+                          u8 bInterfaceClass,
+                          u8 bInterfaceSubClass)
+{
+       if ((USB_CLASS_VIDEO == bInterfaceClass) ||
+           (USB_CLASS_VENDOR_SPEC == bInterfaceClass)) {
+               if (-1 == peasycap->video_interface) {
+                       peasycap->video_interface = bInterfaceNumber;
+                       JOM(4, "setting peasycap->video_interface=%i\n",
+                               peasycap->video_interface);
+               } else {
+                       if (peasycap->video_interface != bInterfaceNumber) {
+                               SAM("ERROR: attempting to reset "
+                                   "peasycap->video_interface\n");
+                               SAM("...... continuing with "
+                                   "%i=peasycap->video_interface\n",
+                                   peasycap->video_interface);
+                       }
+               }
+       } else if ((USB_CLASS_AUDIO == bInterfaceClass) &&
+                  (USB_SUBCLASS_AUDIOSTREAMING == bInterfaceSubClass)) {
+               if (-1 == peasycap->audio_interface) {
+                       peasycap->audio_interface = bInterfaceNumber;
+                       JOM(4, "setting peasycap->audio_interface=%i\n",
+                               peasycap->audio_interface);
+               } else {
+                       if (peasycap->audio_interface != bInterfaceNumber) {
+                               SAM("ERROR: attempting to reset "
+                                   "peasycap->audio_interface\n");
+                               SAM("...... continuing with "
+                                   "%i=peasycap->audio_interface\n",
+                                   peasycap->audio_interface);
+                       }
+               }
+       }
+}
+
 static const struct v4l2_file_operations v4l2_fops = {
        .owner          = THIS_MODULE,
        .open           = easycap_open_noinode,
                        return -ENODEV;
        }
 
-       if ((USB_CLASS_VIDEO == bInterfaceClass) ||
-           (USB_CLASS_VENDOR_SPEC == bInterfaceClass)) {
-               if (-1 == peasycap->video_interface) {
-                       peasycap->video_interface = bInterfaceNumber;
-                       JOM(4, "setting peasycap->video_interface=%i\n",
-                                                       peasycap->video_interface);
-               } else {
-                       if (peasycap->video_interface != bInterfaceNumber) {
-                               SAM("ERROR: attempting to reset "
-                                               "peasycap->video_interface\n");
-                               SAM("...... continuing with "
-                                               "%i=peasycap->video_interface\n",
-                                               peasycap->video_interface);
-                       }
-               }
-       } else if ((USB_CLASS_AUDIO == bInterfaceClass) &&
-                  (USB_SUBCLASS_AUDIOSTREAMING == bInterfaceSubClass)) {
-               if (-1 == peasycap->audio_interface) {
-                       peasycap->audio_interface = bInterfaceNumber;
-                       JOM(4, "setting peasycap->audio_interface=%i\n",
-                                                        peasycap->audio_interface);
-               } else {
-                       if (peasycap->audio_interface != bInterfaceNumber) {
-                               SAM("ERROR: attempting to reset "
-                                               "peasycap->audio_interface\n");
-                               SAM("...... continuing with "
-                                               "%i=peasycap->audio_interface\n",
-                                               peasycap->audio_interface);
-                       }
-               }
-       }
+       config_easycap(peasycap, bInterfaceNumber,
+                                bInterfaceClass,
+                                bInterfaceSubClass);
 
        /*
         * Investigate all altsettings. This is done in detail