Re: HowTo for new tuner -182x1

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Michael Krufky <mkrufky <at> linuxtv.org> writes:

> On 8/2/07, Michael Krufky <mkrufky <at> linuxtv.org> wrote:
>> Mike,
>>
>> I have already written a completely
functional driver for the TDA18271 silicon.
>>  DVB-T has not yet been tested on it,
but I doubt it will be any problem. I
>> understand that you are working with the TDA18211 -- do you know
 how similar it
>> is to the 18271?  I haven't google'd the 18211 yet, but I'll
 take a look.
>>
>> I am currently working to refactor the tuning api between the
 dvb and v4l
>> subsystems -- this is my reasoning for not having released my
 tda18271 code
>> publicly, as of yet.  It does work, however, and I have only
 tested it so far
>> using analog broadcasts.  The difference for tuning DVB-T is
 only some small
>> changes to certain registers.
>>
>> Based on what I see in the pdf that you linked above, I wouldn't be
surprised if
>> the tda18211 featureset is merely a small subset of the tda18271, meant
>> specifically for DVB-T.
>>
>> How much progress have you already made with your driver?
>>
>> I'd be happy to help you if you have any further questions...
 If the 18211 is
>> indeed program compatible with the 18271, except for the limited
 featureset,
>> then I'd hate to see somebody do double-work.
>>
>> Regards,
>>
>> Michael Krufky
...snip...
> 
> LOL, cool, Markus.
> 
> For the record, to other readers, I emailed Markus privately asking him
not to top-quote.
> 
> I dont have much to say about Markus' new method -- I haven't had time
to look 
> into it yet, but it sounds like a nice idea.  Meanwhile, i think that Mike,
> working on the 18211, might be better off working with me, as I have high
> suspicions that his silicon is a subset of the one I've already worked on.
> 
> We'll see what happens.
> 
> Cheers,
> 
> Michael Krufky

Rumours suggest they are indeed similar devices ... I am investigating.

(But I would still like to read a 'how it all fits together' doc ;)
Might be able to refactor into a more comprehensible framework !)

Thanks,
MikeW





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