linux-kernel - Re: ACPI power meter driver?

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Message-ID: <20090722054739.GC20171@plum>
Date:	Tue, 21 Jul 2009 22:47:39 -0700
From:	"Darrick J. Wong" <djwong@...ibm.com>
To:	Zhang Rui <rui.zhang@...el.com>
Cc:	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	lm-sensors <lm-sensors@...sensors.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: ACPI power meter driver?

On Wed, Jul 22, 2009 at 09:18:27AM +0800, Zhang Rui wrote:
> On Wed, 2009-07-22 at 07:49 +0800, Darrick J. Wong wrote:
> > Hi everyone,
> > 
> > I noticed that section 10.4 of the ACPI 4.0 spec mentions exposing power meter
> > hardware via the DSDT.
> 
> right.
> 
> >   Is anybody currently writing a Linux driver for that
> > power meter interface?
> > 
> do you have an laptop with that implemented?
> can you attach the acpidump output please? :)

No, but I'm working on a prototype to send power use estimates to kvm guests.

Reading between the lines, you sort of imply that you are working on a driver?
If you are, we should coordinate efforts.

--D
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