From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754143Ab0KLDub (ORCPT ); Thu, 11 Nov 2010 22:50:31 -0500 Received: from mx.logic.tuwien.ac.at ([128.130.175.19]:56621 "EHLO mx.logic.tuwien.ac.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753135Ab0KLDua (ORCPT ); Thu, 11 Nov 2010 22:50:30 -0500 Date: Fri, 12 Nov 2010 12:50:27 +0900 From: Norbert Preining To: Matthew Garrett Cc: Mattia Dongili , linux-kernel@vger.kernel.org, ACPI Devel Mailing List Subject: Re: regression since 2.6.36: backlight in sony-laptop not working Message-ID: <20101112035027.GD26742@gamma.logic.tuwien.ac.at> References: <20101104142915.GC7650@gamma.logic.tuwien.ac.at> <20101110035833.GB3029@kamineko.org> <20101111235000.GA6651@gamma.logic.tuwien.ac.at> <20101112034423.GA7407@srcf.ucam.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20101112034423.GA7407@srcf.ucam.org> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fr, 12 Nov 2010, Matthew Garrett wrote: > > Seems so that the sys files have changed to new locations: > > /sys/devices/virtual/backlight/acpi_video0/brightness > > > > (mind the additional "virtual") > > as well as thermal zone etc etc. > > > > Could that explain the problem? > > Only if you have some wonderfully badly written software. What are you > using to control the backlight? Also, I'd note that in this case your > backlight is controlled via ACPI, not sony-laptop. Ah right, yes, so probabyl sony-laptopt has nothing to do with it. THen the problem is simply that the acpi events are not coming through when pressing the respective keys. But *that* might be part of the sony-laptop kernel module? Best wishes Norbert ------------------------------------------------------------------------ Norbert Preining preining@{jaist.ac.jp, logic.at, debian.org} JAIST, Japan TeX Live & Debian Developer DSA: 0x09C5B094 fp: 14DF 2E6C 0307 BE6D AD76 A9C0 D2BF 4AA3 09C5 B094 ------------------------------------------------------------------------ TREWOFFE (n.) A very thick and heavy drift of snow balanced precariously on the edge of a door porch waiting for what it judges to be the correct moment to fall. From the ancient Greek legend 'The Treewofe of Damocles'. --- Douglas Adams, The Meaning of Liff