Re: webcams that work on ehci but don't work on xhci

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On Tue, 25 Jun 2013, Oliver Neukum wrote:

> Hi Sarah,
> 
> I am seeing a few webcams that work only on EHCI. The XHCI is in principle
> functional. Other webcams do work. Do you have any idea what to do in such
> a case? The cameras are high-speed devices. The camera is detected, but yields no pictures.
> I do have traces but they are rather large.
> 
> 	Regards
> 		Oliver
> 
> (trace of device detection - the open won't go over the list)

Did you compare an EHCI usbmon trace with the xHCI trace?

Alan Stern

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