From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: 2.6.21-rc2 radeon backlight Date: Fri, 2 Mar 2007 12:29:20 -0800 Message-ID: <20070302122920.a2967ebf.akpm@linux-foundation.org> References: <87ps7uutsk.fsf@sycorax.lbl.gov> <20070301184531.b3aeafe3.akpm@linux-foundation.org> <87tzx35zkc.fsf@sycorax.lbl.gov> Reply-To: linux-fbdev-devel@lists.sourceforge.net Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1HNENZ-0006f2-6S for linux-fbdev-devel@lists.sourceforge.net; Fri, 02 Mar 2007 12:29:25 -0800 Received: from smtp.osdl.org ([65.172.181.24]) by mail.sourceforge.net with esmtp (Exim 4.44) id 1HNENX-0007ug-Sh for linux-fbdev-devel@lists.sourceforge.net; Fri, 02 Mar 2007 12:29:25 -0800 In-Reply-To: <87tzx35zkc.fsf@sycorax.lbl.gov> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-fbdev-devel-bounces@lists.sourceforge.net Errors-To: linux-fbdev-devel-bounces@lists.sourceforge.net To: Alex Romosan Cc: Richard Purdie , linux-fbdev-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org On Fri, 02 Mar 2007 09:24:03 -0800 Alex Romosan wrote: > Andrew Morton writes: > > > On Wed, 28 Feb 2007 08:32:43 -0800 > > Alex Romosan wrote: > > > >> the backlight on my thinkpad still (2.6.20 worked fine) doesn't come > >> on if i have the radeon backlight enabled. without it, i guess it's > >> the ibm acpi modules that controls the backlight and it seems to work > >> fine. > >> > > > > Unclear. Are you saying that the backlight comes on OK if you use > > the IBM acpi module? > > yes, if i disable the radeon backlight and use the ibm acpi module, > than the backlight works. if i enable the radeon backlight, the screen > stays dark and i can't turn it on (i tried using radeontool to control > it but nothing happened). Richard, is this actually a bug, or is it a config error or something like that? And should we track it as a post-2.6.20 regression? ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV