please add IBM brightness fix to upstream fdi file

[David Zeuthen]

On Tue, 2007-02-13 at 21:38 +0000, Richard Hughes wrote:
> On Tue, 2007-02-13 at 20:01 +0100, Oliver Grawert wrote:
> > according to bug https://launchpad.net/bugs/81407 the
> > hal-0.5.8.1/fdi/policy/10osvendor/10-laptop-panel-mgmt-policy.fdi
> > needs
> > to match all IBM ThinkPad models to make the brightness keys work. i
> > added a trivial patch to the ubuntu package which i think should go
> > upstream, its attached to this mail...
> 
> I think discussing with DavidZ before (IIRC) that some thinkpads do have
> manual brightness control and that we had to be careful blacklisting
> them.

I'm unsure what Thinkpads these are? Does anyone know? Also, Richard,
what's the risk of setting brightness_in_hardware to TRUE assuming the
laptop don't do brightness in hardware?

     David