[linux-dvb] MT2060 Tuner patch : Second round

Patrick Boettcher patrick.boettcher at desy.de
Sat Mar 18 19:42:28 CET 2006

Hi Olivier,

On Fri, 17 Mar 2006, treza at chez.com wrote:
> This patch need to be cross-tested before being included
> into the main repository. The differences with last week's are :
> - All the MT2060 handling code has been moved to a
> "frontend" module.


> - The tuner selection now relies on autodetection because
> some manufacturers ( Yuan ) didn't bother to get USB IDs
> different from the original DibCom demoboard.

They even are using the exact same windows-driver ;)

> - The agc_tuner parameters are now set correctly.
> - The spur avoidance algorithm is now disabled as default. I
> tried to test it and I could not find any effect.
> - The driver shall work with the following devices :
> 	- LITEON/Intuix S800/Toshiba DVB-T USB 2.0 Stick
> 	- MSI Digivox Mini SL ( as Philip Lawatsch found )
> 	- Grand DVB-T Pen USB 2.0 ( Please report PASS/FAIL )
> 	- Yuan PD300 DVB-T Mobility ( Please report PASS/FAIL )


> It would be great if someone posessing a :
> 	"Hauppage WinTV-NOVA-T USB2" or "AVerMedia AverTV DVB-T USB
> 2.0 (A800)"
> 	checks whether this patch breaks the support of that device.

It doesn't after checking the Part/Rev register for 0x63 instead of != 0.

> The fixture still have 2 problems :
> - There is still no startup calibration. I am still trying
> to figure it out.
> - It gets into higher levels of code obfuscation due to the
> the way the tuner is attached and the handling of the AGC
> parameters customisation. Maybe someone with <em>The
> Knowledge</em> can enhance that before  merging into <em>The
> Main Tree</em>.

I would like to take care of your patch + I will modify the dib3000-driver 
to be able to set agc-parameters in its config-struct to be able to pass 
the best agc-settings for each of the board.

But before committing I will need your sign-off like:

Signed-off-by: Your Name <your at email.address>

best regards,

   Mail: patrick.boettcher at desy.de
   WWW:  http://www.wi-bw.tfh-wildau.de/~pboettch/

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