Linux cdc-acm-driver

[gregkh@linuxfoundation.org (Greg KH)]

On Thu, Mar 01, 2012 at 03:48:57PM +0530, Manavendra Nath Manav wrote:
> On Thu, Mar 1, 2012 at 1:57 PM, Stefan Dreyer
> <stefan.dreyer@ddnetservice.net> wrote:
> > Hi,
> >
> > allthough the answer is offtopic for cdc-acm-driver, i will answer, because
> > maybe it helps other people in future.
> 
> > I can tell you exactly, what is going on. If the scanner switches to
> > ProductId=0720 (0c2e:0720) the scanner is working in Serial-Mode. If you
> > want the scanner let work as serial device, you have to use the driver
> > metro-usb. The manufacturer has this driver, but that one is outdatet and
> > doesn't compile on actual Linux kernel.
> > I found an actual driver, which compiles even with kernel 3.2
> > <https://gitorious.org/other/metro-usb/commits/master>
> 
> Thanks a lot for the prompt reply, this should adequately solve my
> problem. I am able to download the driver source and compile. However,
> I have run into a trivial module format error.
> 
> [root at pe1800xs serial]# modinfo metro-usb.ko
> filename: ? ? ? metro-usb.ko
> description: ? ?Metrologic Instruments Inc. - USB-POS driver
> author: ? ? ? ? Aleksey Babahin <tamerlan311@gmail.com>
> author: ? ? ? ? Philip Nicastro
> license: ? ? ? ?GPL
> srcversion: ? ? AF4C7DDE2804EBB1578A05F
> alias: ? ? ? ? ?usb:v0C2Ep0710d*dc*dsc*dp*ic*isc*ip*
> alias: ? ? ? ? ?usb:v0C2Ep0720d*dc*dsc*dp*ic*isc*ip*
> depends: ? ? ? ?usbserial
> vermagic: ? ? ? 2.6.35.6-45.fc14.i686 SMP mod_unload modversions 686
> parm: ? ? ? ? ? debug:Print debug info (bool 1=on, 0=off) (bool)
> parm: ? ? ? ? ? vendor:User specified vendor ID (ushort) (ushort)
> parm: ? ? ? ? ? product:User specified product ID (ushort) (ushort)

Aleksey, any reason this driver hasn't been submitted upstream yet?  If
you don't mind, I'll be glad to forward port it and get it merged to the
main kernel.org tree.  Or is there some reason we can't do that?

thanks,

greg k-h