Re: [rfc]btusb with SCO support

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Am Montag 18 August 2008 16:36:22 schrieb Marcel Holtmann:
> Hi Oliver,
> 
> > > > > On the other hand, this is audio and I don't really care if we loose a
> > > > > packet or not.
> > > > 
> > > > It isn't limited to sound. The URBs for acl reception can also be delayed
> > > > arbitrarily long.
> > > 
> > > We can move that into the notify() callback, but the killing the URBs
> > > becomes a problem.
> > 
> > /**
> >  * usb_unlink_anchored_urbs - asynchronously cancel transfer requests en masse
> >  * @anchor: anchor the requests are bound to
> >  *
> >  * this allows all outstanding URBs to be unlinked starting
> >  * from the back of the queue. This function is asynchronous.
> >  * The unlinking is just tiggered. It may happen after this
> >  * function has returned.
> >  */
> > void usb_unlink_anchored_urbs(struct usb_anchor *anchor)
> 
> then we can move the ACL handling into the notify() callback.
> 
> For the SCO ones, I don't see any chance since we have to do the
> altsetting first.

You are right.

	Regards
		Oliver
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