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.
Regards,
Stef
Hi.
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!).
Hello,
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.
Regards,
Stef
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