linux-kernel - 2.6.25-rc1 regression

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Message-ID: <20080214103801.GB4366@ics.muni.cz>
Date:	Thu, 14 Feb 2008 11:38:01 +0100
From:	Lukas Hejtmanek <xhejtman@....muni.cz>
To:	linux-kernel@...r.kernel.org
Subject: 2.6.25-rc1 regression - IBM ACPI backlight

Hello,

as of 2.6.25-rc1, there is no more /sys/class/backlight/acpi_video1 which
controlled LVDS backlight on Lenovo ThinkPad T61. There is still acpi_video0
which seems to have sane values but echo N > brightness has no effect at all.

thinkpad_acpi module reports that ACPI controlled backlight is present.

-- 
Lukáš Hejtmánek
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