From: Carlos Corbacho <carlos@strangeworlds.co.uk>
To: Duarte Silva <duartejcsilva@gmail.com>
Cc: linux-acpi@vger.kernel.org
Subject: Re: Problems evaluating WMI method
Date: Wed, 1 Oct 2008 21:26:28 +0100 [thread overview]
Message-ID: <200810012126.29618.carlos@strangeworlds.co.uk> (raw)
In-Reply-To: <200810012113.50723.duartejcsilva@gmail.com>
On Wednesday 01 October 2008 21:13:50 Duarte Silva wrote:
> I got the correct answer when I do instance = 0x33 and method_id = 0x01.
> So, I looked at hp-wmi.c code and acer-wmi.c and they depend on this
> instance and method_id. But my laptop doesnt seem to depend.
acer-wmi doesn't rely on the instance_id, it just gets ignored. It does use
the method_id though.
> Is this
> instance and method_id a WMI standart or is it a HP and Acer laptop
> specific? My laptop is a LG.
Yes, these are part of the WMI standard (in that, they need to be passed in).
I would recommend you read through the spec:
http://web.archive.org/web/20071011004327/http://www.microsoft.com/whdc/system/pnppwr/wmi/wmi-acpi.mspx
Essentially - you need to pass the instance and method id's, but what values
you pass and their meaning is completely vendor specific (which is pretty
much a good summary of ACPI-WMI in general).
-Carlos
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E-Mail: carlos@strangeworlds.co.uk
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next prev parent reply other threads:[~2008-10-01 20:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-01 20:13 Problems evaluating WMI method Duarte Silva
2008-10-01 20:26 ` Carlos Corbacho [this message]
2008-10-01 20:48 ` Duarte Silva
-- strict thread matches above, loose matches on Subject: below --
2008-09-30 22:56 Duarte Silva
2008-10-01 17:55 ` Carlos Corbacho
2008-10-01 18:22 ` Duarte Silva
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