* ACPI power meter driver?
@ 2009-07-21 23:49 Darrick J. Wong
2009-07-22 1:18 ` Zhang Rui
0 siblings, 1 reply; 3+ messages in thread
From: Darrick J. Wong @ 2009-07-21 23:49 UTC (permalink / raw)
To: linux-acpi, lm-sensors, linux-kernel
Hi everyone,
I noticed that section 10.4 of the ACPI 4.0 spec mentions exposing power meter
hardware via the DSDT. Is anybody currently writing a Linux driver for that
power meter interface? Or am I volunteering for that task? :)
--D
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: ACPI power meter driver?
2009-07-21 23:49 ACPI power meter driver? Darrick J. Wong
@ 2009-07-22 1:18 ` Zhang Rui
2009-07-22 5:47 ` Darrick J. Wong
0 siblings, 1 reply; 3+ messages in thread
From: Zhang Rui @ 2009-07-22 1:18 UTC (permalink / raw)
To: djwong@us.ibm.com; +Cc: linux-acpi@vger.kernel.org, lm-sensors, linux-kernel
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? :)
thanks
rui
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: ACPI power meter driver?
2009-07-22 1:18 ` Zhang Rui
@ 2009-07-22 5:47 ` Darrick J. Wong
0 siblings, 0 replies; 3+ messages in thread
From: Darrick J. Wong @ 2009-07-22 5:47 UTC (permalink / raw)
To: Zhang Rui; +Cc: linux-acpi@vger.kernel.org, lm-sensors, linux-kernel
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
^ permalink raw reply [flat|nested] 3+ messages in thread
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