[linux-dvb] I2C NAKs and fails to respond during init of TDA18211

Michael Krufky mkrufky at linuxtv.org
Fri Nov 9 14:17:59 CET 2007


MikeW wrote:
> Michael Krufky <mkrufky <at> linuxtv.org> writes:
> 
>> You might want to take a look at the tda18271 driver recently merged
>> into the master branch, located under dvb/frontends ...
>>
>> Perhaps this driver might be enough to bring up the tda18211-- I don't
>> have the spec for the 18211, so I cannot say that for sure, but I was
>> under the impression that the tda18211 is exactly a tda18271, but DVB
>> only.
>>
>> Let me know if there's anything that I can do to help you.
>>
>> Regards,
>>
>> Mike Krufky
>>
> 
> Also note in your tda18271_set_params() sgIF gets set for ATSC mode
> but is left at zero for OFDM mode - this is incorrect I believe,
> and the datasheet gives the required IFs as 3.3, 3.8 and 4.3 MHz

It's not wrong -- it's just missing.

I said it before -- the driver is not tested with DVB-T -- I need a test case for it first.  Feel free to send in a patch, since you DO have that test case.

Cheers,

Mike Krufky



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