Re: [PATCH] cx231xx: Increase USB bridge bandwidth

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Hi Matthias,



On 2018-06-05 13:04, Matthias Schwarzott wrote:
> Am 02.04.2018 um 21:59 schrieb Brad Love:
>> The cx231xx USB bridge has issue streaming QAM256 DVB-C channels.
>> QAM64 channels were fine, but QAM256 channels produced corrupted
>> transport streams.
>>
>> cx231xx alt mode 4 does not provide enough bandwidth to acommodate
>> QAM256 DVB-C channels, most likely DVB-T2 channels would break up
>> as well. Alt mode 5 increases bridge bandwidth to 90Mbps, and
>> fixes QAM256 DVB-C streaming.
>>
> Hi Brad,
>
> I read through the media commits applied in the last weeks.
>
> This patch looks so simple and yet resolves the (for me) unexplainable
> behaviour of the Hauppauge WinTV-HVR-930C-HD. DVB-C reception did only
> produce garbage, but the the same demod driver (si2165) does work
> perfectly in a PCI device.
>
> Thank you for fixing this issue.
>
> Regards
> Matthias

Happy to get this fixed for you :) If you know of any other outstanding
issues
with Hauppauge hardware, feel free to point me at them.

Cheers,

Brad



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