[sane-devel] Canon CanoScan Lide120
stef.dev at free.fr
Thu Oct 23 04:55:06 UTC 2014
On 17/10/2014 11:34, Hayder Aziz wrote:
>> bcdDevice 7.04 signals a genesys chip newer than the GL124 (which
>> has7.01). Since GL128 is 7.05, we could bet on a GL126 (there is also
>> a GL125), or like the GL8417 and GL124, another one specially
>> taylored for Canon, a GL127? . Anyway, I don't know any public
>> datasheet for these ASICs, which complicates the work for supporting
>> it. One would have to guess what registers are used for.
> Thanks for the reply.
> Should I give up and return this scanner, or is there a way I can help
> build a driver for it? (if its not too complex!).
the C code in the genesys backend isn't that complicated. What
takes time is the guess work on the ASIC behavior and tests involved.
The guess work will even be bigger without a datasheet. Have a look at
the rts8891 backend sources to have an idea of this work.
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the sane-devel