Re: Gateway 200X (again) - No power button events

[Ducrot Bruno <ducrot-kk6yZipjEM5g9hUCZPvPmw@public.gmane.org>]

On Tue, Jan 20, 2004 at 12:03:34PM -0800, Nate Lawson wrote:
> On Mon, 19 Jan 2004, Greg Sarjeant wrote:
> > So, it looks like it is specified in the DSDT. I'm not sure why I don't
> > get an event when I press the button. I do get events from the sleep
> > button, but the two are declared somewhat differently. Here they are for
> > comparison:
> >
> >         Device (SLPB)
> >         {
> >             Name (_HID, EisaId ("PNP0C0E"))
> >             Method (_STA, 0, NotSerialized)
> >             {
> >                 Return (0x0F)
> >             }
> >         }
> >
> >         Device (PWRB)
> >         {
> >             Name (_HID, EisaId ("PNP0C0C"))
> >             Name (_PRW, Package (0x02)
> >             {
> >                 0x1D,
> >                 0x04
> >             })
> >         }
> 
> You have no _STA method for PWRB.  On FreeBSD, we say hw is always present
> if there is no _STA method.  If it is present, it must return the proper
> flags for the hw to be used.  Perhaps Linux always thinks it's not present
> if _STA is not there.  Note that SLPB returns the proper _STA result.
> 

That would contradict the specs.  If _STA is not present, then assume, by
default, that the device is present, functional, etc like if _STA returned 0x0F.

-- 
Ducrot Bruno

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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