[sane-devel] Canon LiDE 90

[Guillaume Gastebois]

Hello,

OK, I'll try it tonight.
How do I cleanly remove shading_calibration ?

Regards
Guillaume

Selon Pierre Willenbrock <pierre at pirsoft.dnsalias.org>:

> 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
>