So having watched this video (AIRBUS COCKPIT FULL FLIGHT! DÜSSELDORF TO ZÜRICH) earlier, it got me thinking:
At the minute you can operate flaps at any speed without any implications.
In the video you notice what happens in the cockpit when flaps 2 are chosen, what I think is the maximum speed value changes in that video (red dashed vertical line near the speed).
The information about maximum speeds for each flap level is out there, therefore this information could be used to alter the maximum allowable speed at each flap setting?