On Fri, 13 Oct 2006, Oliver Neukum wrote:

> Hi,
> 
> I've got a version that basically works but it has some race conditions
> left. Right now I do autosuspend on the following conditions:
> 1. Bound to hid-input
> 2. Not bound to hiddev
> 3. No interrupt out endpoints
> 
> Is there a generic way to test whether a device is a PID?
> I still have to make sure no suspension takes places while
> a transfer via the ctrl endpoint is taking place.

I don't know.  Dmitry is the person to ask.  (To recap this discussion:  
Oliver is working on adding autosuspend support to the USB HID core.  His
code uses an inactivity timeout.)

Alan Stern


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