On Monday 11 February 2008, Pierre Willenbrock wrote: > Reinhard Biegel schrieb: > > Am Monday, 11. February 2008 schrieb Stefan Lucke:
> >> At that moment, I guess you'll see messages like: > >> new high speed USB device using ehci_hcd and address nn > >> via dmesg. > > > > Hi, > > Yes, thats right. > > > > Changing the write to reg 0x6b from 0x0c to 0x08 fixes that. > > Scanner is producing noisy image now. > > > > Do I see right that the two bits (0x04 and 0x08 of register 0x6b) affect > > two > > pins which are marked as 'reserved' in the datasheet? They are only > > documented for GL843. > > 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. > > Did someone post the bcdDevice value of a LiDE 80? GL841 goes up to > 3.0.5, as someone said, and GL842 begins with 3.0.6 It is for my scanner: idVendor 0x04a9 Canon, Inc. idProduct 0x2214 bcdDevice 3.02 as found on: http://www.sane-project.org/unsupported/canon-lide-80.html -- Stefan Lucke