Re: Audio I/O parameters

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On Thu, Jul 25, 2013 at 4:29 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
> On Thu, 25 Jul 2013, James Stone wrote:
>
>> On Thu, Jul 25, 2013 at 2:12 PM, Clemens Ladisch <clemens@xxxxxxxxxx> wrote:
>> > James Stone wrote:
>> >> Ok -from the bisect, the problem of not being able to get to sub
>> >> 64-frames per period starts with:
>> >>
>> >> http://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=fc600432cd23e35c85de2ff4468d816d6938a112
>> >
>> > This is a merge, which includes this commit: <http://git.kernel.org/linus/e9ba389c5ffc>.
>> >
>> >> Could this be the offending deletion?
>> >>
>> >> http://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/diff/sound/usb/endpoint.c?id=fc600432cd23e35c85de2ff4468d816d6938a112
>> >
>> > (There is a corresponding change in pcm.c.)
>> >
>> > The commit that you found by bisection got reverted later:
>> > <http://git.kernel.org/linus/015618b902ae>
>> >
>> > Please check that the code of "Fix URB cancellation at stream start" is
>> > in your current kernel.
>> >
>>
>> well, in 3.10, it is not exactly the same as the above revertion. For example:
>>
>> /* just to be sure */
>>         deactivate_urbs(ep, false);
>>         if (can_sleep)
>
> Please try the patch from here:
>
>         http://marc.info/?l=linux-usb&m=137476385206265&w=2
>
> instead of the one I sent to you yesterday.  I think it will fix this
> problem.
>
> Alan Stern
>

Perfect! All fixed!

Thanks!
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