V4L2: removed setting device control values to initial values on capture

release

modules/highgui/src/cap_libv4l.cpp

@@ -505,10 +505,11 @@ static void v4l2_free_ranges(CvCaptureCAM_V4L* capture) {
   if (capture->v4l2_ctrl_ranges != NULL) {
     for (i = 0; i < capture->v4l2_ctrl_count; i++) {
       /* Return device to initial values: */
-      double value = (capture->v4l2_ctrl_ranges[i]->initial_value == 0)?0.0:((float)capture->v4l2_ctrl_ranges[i]->initial_value - capture->v4l2_ctrl_ranges[i]->minimum) / (capture->v4l2_ctrl_ranges[i]->maximum - capture->v4l2_ctrl_ranges[i]->minimum);
+      /* double value = (capture->v4l2_ctrl_ranges[i]->initial_value == 0)?0.0:((float)capture->v4l2_ctrl_ranges[i]->initial_value - capture->v4l2_ctrl_ranges[i]->minimum) / (capture->v4l2_ctrl_ranges[i]->maximum - capture->v4l2_ctrl_ranges[i]->minimum); */
       /* Return device to default values: */
       /* double value = (capture->v4l2_ctrl_ranges[i]->default_value == 0)?0.0:((float)capture->v4l2_ctrl_ranges[i]->default_value - capture->v4l2_ctrl_ranges[i]->minimum + 1) / (capture->v4l2_ctrl_ranges[i]->maximum - capture->v4l2_ctrl_ranges[i]->minimum); */
-      icvSetPropertyCAM_V4L(capture, capture->v4l2_ctrl_ranges[i]->ctrl_id, value);
+
+      /* icvSetPropertyCAM_V4L(capture, capture->v4l2_ctrl_ranges[i]->ctrl_id, value); */
       free(capture->v4l2_ctrl_ranges[i]);
     }
   }