genesys: brightness+contrast not working
As stated here brightness and contrast are not working.
Bisect down to this commit: 1ac04c62
Not sure if this is related or a separate bug. On master there's always a black area on the left no matter how it calibrates. This doesn't happen on 1.0.29.
sane-git 20200402.9723a83b2
Arch Linux 5.5.13 x86_64
Canon Canoscan LiDE 35
Edited by Bluemax