From owner-freebsd-acpi@FreeBSD.ORG  Sat Oct 20 01:45:53 2007
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Date: Sat, 20 Oct 2007 05:29:21 +0400
From: "Ivan B. Serezhkin " <ivan@serezhkin.com>
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Subject: notebook display brightness
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Good day.

I bought samsung r70, all the data that I have obtained on the equipment 
can be taken from here: http://ivan.serezhkin.com/r70/
After patching DSDT, it compiles well (only one warinig about nvidia 
graphics card).
I found a strange problem that I do not want to solve: Fn button-<Lover 
bright> and Fn - <Raise bright> only works on the console and  not 
working under xorg.

I decide to write wmdockapp that can show and changing the brightness of 
the display, but I do not understand how evoke acpi method to obtain 
info about brightness and change it.
Also, I am interested in obtaining closing notebook event to execute 
some scripts.

Please explain to me where can I find the documentation about 
programming acpi in userland in FreeBSD ?


-- 
Ivan B. Serezhkin