2005-04-11 20:03:56

by Shawn Starr

Subject: [2.6.12-rc2][suspend] Suspending Thinkpad: drive bay light in S3 mode stays on

I notice in Linux and in XP the drive bay light
remains on while the laptop is in suspend-to-RAM. I
know the ACPI thinkpad extras added to the kernel
recently can turn this off. I wonder if we can/or need
to write hooks to turn the light off so to conserve
power when we're in S3

Thoughts?

Shawn.

2005-04-11 20:09:50

by Pavel Machek

Subject: Re: [2.6.12-rc2][suspend] Suspending Thinkpad: drive bay light in S3 mode stays on

Hi!

> I notice in Linux and in XP the drive bay light
> remains on while the laptop is in suspend-to-RAM. I
> know the ACPI thinkpad extras added to the kernel
> recently can turn this off. I wonder if we can/or need
> to write hooks to turn the light off so to conserve
> power when we're in S3
>
> Thoughts?

You probably want to expand the extras driver to turn it off during
S3.

Pavel
--
Boycott Kodak -- for their patent abuse against Java.

2005-04-11 20:16:25

by Matthew Garrett

Subject: Re: [ACPI] [2.6.12-rc2][suspend] Suspending Thinkpad: drive bay light in S3 mode stays on

On Mon, 2005-04-11 at 16:03 -0400, Shawn Starr wrote:
> I notice in Linux and in XP the drive bay light
> remains on while the laptop is in suspend-to-RAM. I
> know the ACPI thinkpad extras added to the kernel
> recently can turn this off. I wonder if we can/or need
> to write hooks to turn the light off so to conserve
> power when we're in S3

Just disable it in your suspend script. There's no reason to push that
sort of policy into the kernel.

--
Matthew Garrett | [email protected]