rvin_write(vin, 0, VNSPPOC_REG);
        rvin_write(vin, 0, VNSLPOC_REG);
        rvin_write(vin, vin->format.width - 1, VNEPPOC_REG);
-       switch (vin->format.field) {
-       case V4L2_FIELD_INTERLACED:
-       case V4L2_FIELD_INTERLACED_TB:
-       case V4L2_FIELD_INTERLACED_BT:
+
+       if (V4L2_FIELD_IS_INTERLACED(vin->format.field))
                rvin_write(vin, vin->format.height / 2 - 1, VNELPOC_REG);
-               break;
-       default:
+       else
                rvin_write(vin, vin->format.height - 1, VNELPOC_REG);
-               break;
-       }
 
        vin_dbg(vin,
                "Pre-Clip: %ux%u@%u:%u YS: %d XS: %d Post-Clip: %ux%u@%u:%u\n",