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ACPI power meter driver?

DISCUSSION Darrick J. Wong 2 participants 3 messages Jul 21, 2009 – Jul 22, 2009 ACPI

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#0 lore raw

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

#1 lore raw
Quoted 4 lines · Darrick J. Wong

Hi everyone,

I noticed that section 10.4 of the ACPI 4.0 spec mentions exposing power meter hardware via the DSDT.

right.

Quoted 3 lines

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

#2 lore raw
Quoted 6 lines · Zhang Rui
Quoted 4 lines · Darrick J. Wong

Hi everyone,

I noticed that section 10.4 of the ACPI 4.0 spec mentions exposing power meter hardware via the DSDT.

Quoted 7 lines

right.

Quoted 3 lines

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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