Re: [PATCH] em28xx: add support for Hauppauge WinTV-dualHD DVB tuner

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Hi Mauro,


On 2017-09-07 09:52, Mauro Carvalho Chehab wrote:
> Hi Brad,
>
> Em Wed, 31 May 2017 15:01:00 -0500
> Brad Love <brad@xxxxxxxxxxxxxxxx> escreveu:
>
>> Christian et al,
>>
>> I am an engineer at Hauppauge. This repo is the staging area for all the
>> patches I am testing, with the intention of getting them upstreamed. I
>> will be inaccessible for the next 18 days however, so I will not be able
>> to put any effort until I get back.
> Any news on such patchset?
>
> On a side note, I took a quick look on some of the patches at the
> git repository at:
>
> 	https://github.com/b-rad-NDi/Ubuntu-media-tree-kernel-builder/tree/master/patches/ubuntu-zesty-4.10.0/extra
>
> I suspect that some of the patches there could have some side effect on
> existing drivers, like this one that unconditionally changes the size
> of URB:
>
> 	https://github.com/b-rad-NDi/Ubuntu-media-tree-kernel-builder/blob/master/patches/ubuntu-zesty-4.10.0/extra/0003-em28xx-usb-packet-size-tweaks.patch
>
> So, it would be good to be able to test this set also with older
> em28xx devices that also support bulk transfers.
>
> Thanks,
> Mauro

I apologize for delay of action on my growing patchset, summer has been
quite busy for me. I can find time to work on this now though. There is
an initial cluster of the set that I think are ready, but I agree the
unconditional URB size change should be tested against other em28xx
devices. We've found the size changes optimal, but haven't tested
against anyone else's hardware. I will try and source and source some
bulk models from other manufacturers to verify they still operate with
the modification.

Regards,

Brad





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