iOS 6 UIInterfacePortrait ONLY viewcontroller being presented & stuck in landscape… when coming back from a landscape viewcontroller in nav stack

Question

So like many others, I ran into the problem of only having one or two viewcontrollers support both portrait and landscape interface orientations, in an otherwise portrait only a

Answer 1

In vcA set

-(BOOL)shouldAutorotate
{
  return YES;
}

But keep

-(NSUInteger)supportedInterfaceOrientations
{
  return UIInterfaceOrientationPortrait;
}

Then the view will rotate back to the (only) supported orientation when you return from vcB