spitz: add gpio button support (fixes regression)

[utx@penguin.cz (Stanislav Brabec)]

Pavel Machek wrote:
> On Thu 2009-10-15 23:47:32, Stanislav Brabec wrote:
> > Pavel Machek wrote:
> > >Well, resume is hit by second regression.
> > >
> > >Suspend key.... I restored it to the level of functionality in
> > >2.6.31 :-).
> > 
> > > > +		.type	= EV_KEY,
> > > > +		.code	= KEY_SUSPEND,
> > 
> > I guess it should be EV_PWR. Then it will at least go to suspend.
> 
> Does it actually go to suspend with that change?

Yes.

> (Actually, I wonder how it could have ever worked: userspace should
> certainly be in a loop there; kernel should not suspend machine on its
> own. In -rp kernels, kernel _does_ suspend on its own, but... I'm not
> sure if that's suitable for mainline).

At least userspace apmd should be able to enter into suspend process
(tested in 2.6.26-RP, not yet verified in 2.6.32-rc*).

I don't know, what is the preferred way in recent days, but Tosa does
the same.

-- 
Best Regards / S pozdravem,

Stanislav Brabec
software developer
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