Re: Unitech USB barcode scanner issues

On 4/29/07, Jiri Kosina <[email protected]> wrote:
> On Fri, 27 Apr 2007, Bret Towe wrote:
>
> > > currently on 2.6.20.7 by data being processed you mean what should
> > > appear on screen in this case? ill update my laptop to .21 and add the
> > > debug items in the mean time ill just attach the usbmon logs of the
> > > plugin between upgrade and something else I need todo it will be a
> > > couple hours
> > well that took longer than I would of liked attached is dmesg output
> > with hid debug enabled has the device being rejected by hid and then
> > working after i modprobe usbkbd
>
> Hi Bret,
>
> thanks for your output. It's clear from it that HID parser was unable to
> parse the report descriptor of the device and therefore didn't claim it.
>
> There might be various reasons for this, most probably the report
> descriptor of the device is broken.
>
> It might then be easy to fix the report descriptor on the fly before it
> gets parsed, we are doing this for various broken hardware already.

so this is a rather common issue then?

> What
> product ID and vendor ID does your device have please? (you can find out
> from the output of lsusb command).

Bus 005 Device 002: ID 04b4:de64 Cypress Semiconductor Corp.

this is one of the new ones that have the broken upper case bit
I'll dig around see if I can find a working old one to see if its id changed
since old and new were both broken with hid

> Your dump gives all the information I need to analyze the report
> descriptor and see what's broken in it - I'll hopefully find time to do it
> tomorrow and will send you a patch to test.
>
> Thanks,
>
> --
> Jiri Kosina
> SUSE Labs
>

Thanks to you also I'd be up a creak without a paddle otherwise I think

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