Re: [PATCH v2 1/3] usb: add is_usb_mouse routine and remote wakeup quirk

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On Wed, Aug 28, 2013 at 01:13:46PM -0400, Alan Stern wrote:
> On Wed, 28 Aug 2013, Greg Kroah-Hartman wrote:
> 
> > > [Q] Why the special devices are only mice? Would high speed devices
> > > such as 3G modem or USB Bluetooth adapter trigger this issue?
> > > - Current this sensitivity is only confined to devices that use Pixart
> > >   controllers. This controller is designed for use with LS mouse
> > > devices only. We have not observed any other devices failing. There
> > > may be a small risk for other devices also but this patch (reset
> > > device in resume phase) will cover the cases if required.
> > 
> > Then just do this "quirk" for Pixart controller devices.  Don't penalize
> > everyone else.
> 
> Is there any way to detect when a device uses a Pixart controller?  I 
> don't see how you could tell.

Vendor device id should tell you what you need to know, right?

thanks,

greg k-h
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