[sane-devel] Canon LiDE 90

[Pierre Willenbrock]

Pierre Willenbrock schrieb:
> Guillaume Gastebois schrieb:
>> Hello,
>>
>> I see that reg[2] was like 0x07. So INVOP was still set !!!
>> I comment out offset_calibration in genesys_flatbed_calibration, set 
>> reg[2] to 0x03, and I get a black image with a gray vertical line in the 
>> middle !!!
>> I try to reenable offset_calibration and I get : 
>> http://ggastebois.free.fr/lide90_snoop/toto_10_0_0_invop_0.jpg
>> In the central vertical line we can see a piece of my dinosause not 
>> reverted !!! I think this works. And good news : the frontend seems to 
>> be (or to be compatible) with a wolfson wm8199.
>>
>> If you remember, this gray line is on the vertical of the small black 
>> piece (in calibration area). So calibration is better with black area !!
>>
> 
> hmm. the shading calibration currently needs some black to work. But
> good news. Now, where did i put that alternative offset_calibration code...
> 

obviously, in cvs, while thinking i'd only put the power-mode changes
in.. The needed change is a one liner..

This should compile, but i don't know if it works. The shading
calibration should still be commented out. offset_calibration,
gain_calibration and led_calibration might work.

Regards,
  Pierre
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