Adding a devd entry for a specified uhid

[Warren Block]

On Fri, 27 May 2011, David Demelier wrote:

> Hello,
>
> I have a USB keyboard that use uhid for multimedia keys, it works pretty well 
> with usbhidaction but I need to run the command by hand each time.
>
> Because I also have gamepad that are uhid too, I would like to get the vendor 
> and product id of this keyboard uhid to match the good hid device with devd 
> and do not try to run usbhidaction on the gamepad.
>
> usbconfig need ugenx.y to deal with vendor and product id so how can I know 
> the vendor and product id of my uhid device ?

devd returns a device-name value.  I thought there was an example in the 
scanner section of the Handbook, but no.  A rough example:

attach 20 {
 	device-name "ugen[0-9].[0-9]";
 	match "vendor" "0x09999";
 	match "product" "0x9999";
 	action "/usr/bin/usbhidaction $device-name ...";
};