From owner-freebsd-acpi@FreeBSD.ORG  Wed Sep  1 02:40:09 2004
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To: Toxa <postfix@sendmail.ru>
From: takawata@jp.freebsd.org
In-reply-to: Your message of "Tue, 31 Aug 2004 17:16:28 +0400."
             <20040831131628.GA2156@laptoxa.toxa.lan>
Date: Wed, 01 Sep 2004 11:38:57 +0900
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Subject: Re: acpi_video on SONY VAIO PCG-Z1 [was: acpi_video users needed]
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In message <20040831131628.GA2156@laptoxa.toxa.lan>, Toxa さんいわく:
>On Tue, Aug 31, 2004 at 07:41:11PM +0900, takawata@jp.freebsd.org wrote:
>> >dev.acpi_sny.0.brightness=10
>> >sysctl: oid 'dev.acpi_sny.0.brightness' is read only
>> >
>> >nothing happens...
>
>> Sorry, please refetch it from
>
>> http://www.init-main.com/acpi_snc.tar.gz
>
>acpi_sny0: detached
>acpi_snc0: <Sony system controller> on acpi0
>[(17:12)(49.34%)(p6):~/tmp/acpi_snc ] sysctl -a|grep snc
>dev.acpi_snc.0.%desc: Sony system controller
>dev.acpi_snc.0.%driver: acpi_snc
>dev.acpi_snc.0.%location: handle=\_SB_.PCI0.LPC0.SNC_
>dev.acpi_snc.0.%pnpinfo: _HID=SNY5001 _UID=0
>dev.acpi_snc.0.%parent: acpi0
>dev.acpi_snc.0.brightness: 94
>[(17:12)(49.34%)(p6):~/tmp/acpi_snc ] sudo sysctl
>dev.acpi_snc.0.brightness=10
>dev.acpi_snc.0.brightness: 94 -> 10
>[(17:13)(49.51%)(p6):~/tmp/acpi_snc ] sudo sysctl
>dev.acpi_snc.0.brightness=100
>dev.acpi_snc.0.brightness: 10 -> 100
>[(17:13)(49.51%)(p6):~/tmp/acpi_snc ] 
>
>Yes, it works, thanks a lot! Now I'm wondering how to resume lid from
>suspending. Machine resumes well and I can log in remotely but monitor
>looks "dead"

I don't imagine why. But any other method in SNC may do something.
I modified the driver so that it exports more methods.
http://www.init-main.com/acpi_snc2.tar.gz

Testers wanted.