From owner-freebsd-desktop@FreeBSD.ORG  Wed Feb  5 18:25:05 2014
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Subject: Re: Story of a laptop user
From: Adrian Chadd <adrian@freebsd.org>
To: Eitan Adler <lists@eitanadler.com>
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Cc: desktop@freebsd.org, "freebsd-mobile@freebsd.org" <mobile@freebsd.org>
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hi,

Try (if I'm reading your dump correctly):

_SB.PCI0.PEG0.VGA.LCD._BCM
_SB.PCI0.PEG1.VGA.LCD._BCM
_SB.PCI0.GFX0.DD02._BCM

.. god I wish we had a way to actually just dump the tree in a useful
fashion to inspect what objects there are.

Anyway, do the acpi_call hacks to various nodes that have _BCM in them
and see if setting any of them changes your brightness.



-a