[linux-dvb] TT-Budget C-1501

Stephen Dawkins elfarto at elfarto.com
Thu Apr 17 12:24:48 CEST 2008


Hi

> Hi,
>
> I have also added support for this card based on the little change you
> showed here and some looking around in other drivers. I have gotten
> information from technotrend that the proper i2c address for the tuner
> is 0x61 (or 0xc2 as these adresses sometimes appear shifted for some
> reason). With this address and the tuner driver loaded in debug mode I
> seem to get some more response from the tuner, but still no lock.
>

Yes, I notice this last night. The demod is on 0x0c (altho I was told
0x18, which is 0x0c shift left 1 position) and the tuner is on 0x61 (which
is 0xc2 shift left 1 pos).

> Now looking at the tda827x.c sources it seems this driver was
> specifically written for dvb-t usage, and I'm uncertain wether it would
> work out of the box for dvb-c. There are also some parts of the code I
> don't understand, for instance the agcf callback. Harmut, do you know
> anything more about this? The AGC2 gain value that is printed in debug
> usually show 4 or 5 now, does this indicate a good signal or a bad
> signal?
>

This is exactly what I am getting at the moment.

> Also there is still the occational i2c timeouts that Stephen reported.

I'm still seeing these.

Regards
Stephen

> I'm not sure wether they are caused by the tuner or the demod, but they
> appear to come so seldom that it should be able to complete a tuning
> cycle. Any feedback on this would be welcome as well. Maybe Oliver has
> some suggestions how to debug this?
>
> Best regards
>
> Sigmund Augdal
>
> ons, 16.04.2008 kl. 21.08 +0100, skrev Stephen Dawkins:
>> Arthur Konovalov wrote:
>> > Stephen Dawkins wrote:
>> >
>> >>>>I'm not entirely sure what I need todo next to get it working, any
>> help
>> >>>>will be greatly appreciated.
>> >>>
>> >>>See m920x.c or saa7134-dvb.c for drivers using tda10046 and/or
>> tda827x.
>> >>>
>> >>
>> >>I will take a look at them.
>> >>
>> >
>> > Hi,
>> > do You have progress in that direction?
>> > I'll very concerned, because I have this card too.
>> >
>> > Arthur
>> >
>>
>> Not yet I'm afraid.
>>
>> Regards
>> Stephen
>>
>> >
>> > _______________________________________________
>> > linux-dvb mailing list
>> > linux-dvb at linuxtv.org
>> > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>> >
>>
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>
>





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