Re: udev rules for 2 identical webcams + 1 spare cam
On Sat, 16 Jul 2011 10:29:49 -0400
shawn wilson <ag4ve.us@gmail.com> wrote:
> FYI,
> jonnor.com/2010/08/determining-physical-topology-of-hotplugged-usb-devices-with-udev/
>
> Ie, figure out your physical setup and write a script. If programming isn't
> your thing, you could probably get this done with sed / awk or maybe even
> grep. Though this sounds harder to me than writing a simple perl script.
>
Jumping in a little late here, hopefully I'm not repeating.
Have you tried :
sudo udevadm info --name=$1 --attribute-walk
where name would be the device path.
I've noticed that almost all USB devices have a serial number of some sort, i.e. ATTRS{serial} which should be unique.
Brian
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