Re: 'Phys:' field for keyboards (and other input devices)

[Brad H. <bh...@bi...>]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On Fri, 27 Sep 2002 21:12, Vojtech Pavlik wrote:
> > If so, then what is EVIOCGUNIQ for?
>
> It's an identifier that a device may or may not have, and if there is
> one, it must be universally (*) unique for this devices bus, vendor and
> device id. Like USB storage UUID. It may be a serial number. Not that
> many input devices have it, but the possibility is there.
>
> (*) - in whole universe, not just the system. Also it must not ever change.
So it must be a property of the device, not a property of the system 
configuration.

And it is broken, at least on USB. We're reporting the same on both EVIOCGPHYS 
and EVIOGUNIQ - the path.

Brad

- -- 
http://conf.linux.org.au. 22-25Jan2003. Perth, Aust. Tickets booked.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.0.6 (GNU/Linux)
Comment: For info see http://www.gnupg.org

iD8DBQE9lEJHW6pHgIdAuOMRAntDAKCwPwCAV2+qr1VBfd/M8+hAv5mUYACgp9ei
dIyZET6GrEq0DH0iUqHH1Ls=
=e6Gm
-----END PGP SIGNATURE-----