Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932903Ab1DMU4v (ORCPT ); Wed, 13 Apr 2011 16:56:51 -0400 Received: from kroah.org ([198.145.64.141]:37734 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932862Ab1DMU4q (ORCPT ); Wed, 13 Apr 2011 16:56:46 -0400 Date: Wed, 13 Apr 2011 13:34:23 -0700 From: Greg KH To: Joost Pjotr Vermeer Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org Subject: Re: backlight control broken on Sony VGN-P21Z with staging/gma500 Message-ID: <20110413203423.GA6152@kroah.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 761 Lines: 22 On Wed, Apr 13, 2011 at 09:54:45PM +0200, Joost Pjotr Vermeer wrote: > Hi, > > I tried the new gma500 driver from staging on my Sony VGN-P21Z. It > seems to work very nice. > > But backlight control does not work. It has worked with a previous > version of the staging/gma500 driver. I can solve it by removing the > call to acpi_video_register() from psb_driver_load() in psb_drv.c. > > Can I try anything to find a more specific cause for this? Use 'git bisect' to find the offending patch? thanks, greg k-h -- 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/