On Tue, 2014-06-17 at 10:22 -0400, Alan Stern wrote:
> On Tue, 17 Jun 2014, Vlad Ungureanu wrote:
> 
> > To go into ADK mode the host needs to send the Android device a series of 
> > usb
> > control messages with different data. This yes can be done from userspace 
> > but
> > when the device goes into the ADK mode I need to handle it into Kernel 
> > space.
> > The end goal of the project is to simulate the displayLink driver using an
> > Android device instead of a DisplayLink compatible screen. In ADK mode I 
> > will
> > need just interface 1 which has 2 bulk EPs. No other interaction from 
> > userspace
> > will be with the device in ADK mode.
> 
> Have you considered what will happen if your driver is present but the
> user wants the device to remain in its usual mode, rather than in ADK
> mode?
> 
> Such problems are part of the reason why programs like usb-modeswitch
> exist.

True, but as we have taken port power switching I think we may have
to revisit that decision.

        Regards
                Oliver



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