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Date: Tue, 8 Sep 2009 10:21:23 +0200
From: Lars Engels <lars.engels@0x20.net>
To: Matthias Apitz <guru@unixarea.de>
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References: <20090820081055.GA2962@current.Sisis.de>
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Cc: freebsd-mobile@freebsd.org
Subject: Re: Dell M4400 && power-off the display on Lid close (8-CURRENT /
	Xorg)
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On Thu, Aug 20, 2009 at 10:10:55AM +0200, Matthias Apitz wrote:
>=20
> Hello,
>=20
> I'm running 8-CURRENT and Xorg on the above mentioned laptop.
>=20
> I'd like to have powered off the display on Lid close, and powered on
> again on open; I watched the devd(8) events in both cases:
>=20
> close:
> setting system=3DACPI
> setting subsystem=3DLid
> setting type=3D\_SB_.LID_
> setting notify=3D0x00
> Processing notify event
> ...
>=20
> open:
> setting system=3DACPI
> setting subsystem=3DLid
> setting type=3D\_SB_.LID_
> setting notify=3D0x01
> Processing notify event
> ...
>=20
> but they are not estimated in /etc/devd.conf. Any hint for a good
> devd.conf entry to make that working? Thx in advance
>=20
> Btw: I don't want suspend/resume.

Try this:

notify 10 {
	match "system"		"ACPI";
	match "subsystem"	"Lid";
	action"$PATH_TO_YOUR_SCRIPT $notify";
};

And in your script you turn off the backlight with
xbacklight -set 0
when notify is 0x00 and
xbacklight -set 100
for 0x01.

HTH

Lars


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