> Just to make things clear: it will still not be a good solution for
> firewire camera users
> as images will still be unsynchronized. Only one process grabbing two
> cameras will solve
> this issue with high end firewire cameras such as the Flea2 which send
> automatically synchronized frames
> when the acquisition is done atomically.

OK, I agree with you here. If a combined driver can easily cause the
cameras to be triggered simultaneously then there is value in adding
support for this to the camera driver itself.