Re: uvcvideo failure under xHCI

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On Thu, 16 Jun 2011, Sarah Sharp wrote:

> On Thu, Jun 16, 2011 at 03:39:11PM -0400, Alan Stern wrote:
> > That's appropriate.  But nobody should ever set an isochronous URB's
> > status field to -EPROTO, no matter whether the device is connected or
> > not and no matter whether the host controller is alive or not.
> 
> But the individual frame status be set to -EPROTO, correct?  That's what
> Alex was told to do when an isochronous TD had a completion code of
> "Incompatible Device Error".

Right.  -EPROTO is a perfectly reasonable code for a frame's status.  
But not for an isochronous URB's status.  There's no reason for 
uvcvideo to test for it.

Alan Stern

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