From owner-freebsd-acpi@FreeBSD.ORG  Mon Oct 24 07:59:33 2005
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Date: Mon, 24 Oct 2005 15:59:09 +0800
From: Rong-En Fan <rafan@infor.org>
To: Kevin Oberman <oberman@es.net>
Message-ID: <20051024075909.GA74859@svm.csie.ntu.edu.tw>
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	<20051023225159.978415D04@ptavv.es.net>
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Cc: freebsd-acpi@freebsd.org
Subject: Re: Fwd: Audio problem after resume fixed!
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On Sun, Oct 23, 2005 at 03:51:59PM -0700, Kevin Oberman wrote:
> By using radeontool, I have been able to fix tha problem. Backlight goes
> off and on fine. I also want to tie radeontool to Fn+F4, but have not
> done so at this time.

I use the following settings, works great for me:

/etc/devd.conf:
notify 10 {
        match "system"          "ACPI";
        match "subsystem"       "IBM";
        match "notify"          "0x04";
        action "/usr/sbin/zzz";
};      

/etc/rc.suspend:
[...]
/usr/local/bin/radeontool light off

logger -t $subsystem suspend at `date +'%Y%m%d %H:%M:%S'`
sync && sync && sync
[...]

/etc/rc.resume:
[...]
/usr/local/bin/radeontool light on

logger -t $subsystem resumed at `date +'%Y%m%d %H:%M:%S'`
sync && sync && sync
[...]


Hope this helps,
Rong-En Fan