On Tue, Apr 23, 2013 at 05:09:35PM +0200, Clemens Ladisch wrote:
> Alan Stern wrote:
> > On Tue, 23 Apr 2013, Clemens Ladisch wrote:
> >> Why is having a queue of two URB with one packet each suddenly not
> >> allowed?
> >
> > It _is_ allowed when URB_ISO_ASAP is clear. I have never fully
> > unde
On Fri, Apr 19, 2013 at 02:18:24PM -0400, Alan Stern wrote:
> On Fri, 19 Apr 2013, Clemens Ladisch wrote:
> > Alan Stern wrote:
> > > + next = uhci->frame_number + 2;
> > >
> > > That 2 is the minimum latency, in frames (one frame per ms).
> >
> > One frame worked fine with the old driver.
On Thu, Apr 18, 2013 at 12:42:00PM -0400, Alan Stern wrote:
> On Wed, 17 Apr 2013, Joe Rayhawk wrote:
> > Small buffer/period sizes on usb audio playback though UHCI works fine on
> > v3.7 but causes audio discontinuities/delays on v3.8 and v3.9-rc7.
>
> Can you provide a usb
Small buffer/period sizes on usb audio playback though UHCI works fine on v3.7
but causes audio discontinuities/delays on v3.8 and v3.9-rc7.
I've bisected the behavior down to
c44b225077bb1fb25ed5cd5c4f226897b91bedd4
'UHCI: implement new semantics for URB_ISO_ASAP'
Tested on two UHCI ho
