Re: Adding support for three new Hauppauge HVR-1275 variants - testers reqd.

Steven Toth
2015-07-20T16:32:47Z

On Mon, Jul 20, 2015 at 12:06 PM, Tycho Lürsen <tycholursen@gmail.com> wrote:
> Hi Steven,
> I was not aware of the fact that your patch depends on dvb-core as in
> 4.2-RC2 (and up, I guess)
> I tested against 3.18.18 and 4.1.2. That might explain the failures.
> Anyhow, as soon as Antti and you are on the same page regarding this patch,
> I'll test again against a 4.2-RC>1
> Regards,
> Tycho.

Thank you Tycho.

I specifically only tested on 4.2, with the entire tree. No attempt
was made to backport or otherwise test in environments outside on
prior kernels.

- Steve

--
Steven Toth - Kernel Labs
http://www.kernellabs.com

>
> Op 20-07-15 om 15:13 schreef Steven Toth:
>>
>> On Sun, Jul 19, 2015 at 3:34 AM, Tycho Lürsen <tycholursen@gmail.com>
>> wrote:
>>>
>>> Hi Steven,
>>>
>>> Tested your si2186 patch with my DVBSky T982 and TBS 6285 cards using
>>> European DVB-C
>>> Since MythTV can't handle multistandard frontends (yet), I've disabled
>>> DVB-T/T2 like this (I always do that):
>>>
>>> sed -i 's/SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A/SYS_DVBC_ANNEX_A/'
>>> drivers/media/dvb-frontends/si2168.c
>>>
>>> Result: both DVBSky T982 and TBS 6285 drivers are broken, meaning no
>>> lock,
>>> no tune.
>>>
>>> Regards,
>>> Tycho.
>>>
>>> Op 19-07-15 om 00:21 schreef Steven Toth:
>>>>
>>>> http://git.linuxtv.org/cgit.cgi/stoth/hvr1275.git/log/?h=hvr-1275
>>>>
>>>> Patches above are available for test.
>>>>
>>>> Antti, note the change to SI2168 to add support for enabling and
>>>> disabling the SI2168 transport bus dynamically.
>>>>
>>>> I've tested with a combo card, switching back and forward between QAM
>>>> and DVB-T, this works fine, just remember to select a different
>>>> frontend as we have two frontends on the same adapter,
>>>> adapter0/frontend0 is QAM/8SVB, adapter0/frontend1 is DVB-T/T2.
>>>>
>>>> If any testers have the ATSC or DVB-T, I'd expect these to work
>>>> equally well, replease report feedback here.
>>>>
>>>> Thanks,
>>>>
>>>> - Steve
>>
>> Interesting, although I'm slightly confused.
>>
>> My patch mere added the ability for dvb-core to tri-state the tsport
>> out bus, similar to other digital demodulator drivers in the tree....
>> and testing with both azap and tzap (and dvbtraffic) showed no tuning,
>> lock or other issues.
>>
>> What happens if you tzap/czap a known good frequency, before and after
>> my patch, without your sed replacement, leaving T/T2 and A fully
>> enabled?
>>
>> - Steve
>>
>