From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 25 Jan 2001 13:24:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 25 Jan 2001 13:24:21 -0500 Received: from moutvdom00.kundenserver.de ([195.20.224.149]:25636 "EHLO moutvdom00.kundenserver.de") by vger.kernel.org with ESMTP id ; Thu, 25 Jan 2001 13:24:16 -0500 Message-ID: <3A706FE4.CAA96633@ngforever.de> Date: Thu, 25 Jan 2001 11:26:44 -0700 From: Thunder from the hill X-Mailer: Mozilla 4.76 [en]C-CCK-MCD QXW03240 (WinNT; U) X-Accept-Language: de,en-US MIME-Version: 1.0 To: Linux Kernel Mailing List Subject: Re: Probably Off-topic Question... In-Reply-To: <3A6F0D6B.34EB2CB0@coppice.org> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Steve Underwood wrote: > > Alan Olsen wrote: > > > > This is probably a user-land and/or undocumented thing, but I am not > > certain where to get the correct info. > > > > Does anyone know how to get the screen brightness control to work on a > > Sony Vaio N505VE? There seems to be some sort of proprietary hook to get > > it to work that requires their install of Windows. (This is a problem as > > it was removed immediatly after purchacing the laptop.) > > All the newer Vaios seem to have this problem. They rely on support from > Windows to control the brightness, instead of doing it through the BIOS, > like older machines. I don't know a solution. More annoyingly, they > won't hibernate, as they rely on Windows Me or 2000 doing it for them. > The APM hibernate in the BIOS seems to have gone. I have a Z505GAT, > which I think is the Asian version of the model sold in the US as the > Z505LE. I guess this will become the norm now none of the current > versions of Windows require any hibernation support from the BIOS. The > hibernate to swap patch for Linux really needs to get into the > mainstream, and be more thoroughly exercised. Couldn't it be possible to write a "hole" or such into the kernel's vaio driver - or even a /dev file - which can be used by some program to set screen brightness? Cheers! Thunder - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/