[sane-devel] Canon LiDE 80 (2nd try)

[Reinhard Biegel]

On Tuesday, 12. February 2008, Stefan Lucke wrote:
> > Register 0x6b is very different between GL841/2 and GL843. But the
> > documentation around the pins controlled with 0x6b is a bit lacking.
>
> So we need to write reserved I/O bits, (0x6b) need to write to undefined
> gamma addresses (0x5b/5c - 0x0c00). Thats really magic. Both areas
> are defined for GL843 but not for GL841/2.

Indeed, very strange.

@Gerhard Jaeger: Were did you get the bcdValues from? Can we trust them?

Is there a possibility that there is a "GL841b" revision of the chip with 
lower bcdValue but being derived from GL843?

Regards,
Reinhard