Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760736AbYBNKiT (ORCPT ); Thu, 14 Feb 2008 05:38:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752952AbYBNKiG (ORCPT ); Thu, 14 Feb 2008 05:38:06 -0500 Received: from minas.ics.muni.cz ([147.251.4.40]:40977 "EHLO minas.ics.muni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752227AbYBNKiF (ORCPT ); Thu, 14 Feb 2008 05:38:05 -0500 Date: Thu, 14 Feb 2008 11:38:01 +0100 From: Lukas Hejtmanek To: linux-kernel@vger.kernel.org Subject: 2.6.25-rc1 regression - IBM ACPI backlight Message-ID: <20080214103801.GB4366@ics.muni.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: 8bit X-echelon: NSA, CIA, CI5, MI5, FBI, KGB, BIS, Plutonium, Bin Laden, bomb User-Agent: Mutt/1.5.17+20080114 (2008-01-14) X-Muni-Spam-TestIP: 147.251.54.96 X-Muni-Envelope-From: xhejtman@anubis.fi.muni.cz X-Muni-Virus-Test: Clean X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-3.0 (minas.ics.muni.cz [147.251.4.35]); Thu, 14 Feb 2008 11:38:02 +0100 (CET) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 576 Lines: 15 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. -- Luk?? Hejtm?nek -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/