Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757609Ab3HBIQe (ORCPT ); Fri, 2 Aug 2013 04:16:34 -0400 Received: from mail.skyhub.de ([78.46.96.112]:57513 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754469Ab3HBIQb (ORCPT ); Fri, 2 Aug 2013 04:16:31 -0400 Date: Fri, 2 Aug 2013 10:16:29 +0200 From: Borislav Petkov To: Aaron Lu Cc: "Rafael J. Wysocki" , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, lkml , ACPI Devel Maling List Subject: Re: i915 backlight Message-ID: <20130802081628.GA11566@pd.tnic> References: <20130731162252.GC4724@pd.tnic> <20130731163623.GD4724@pd.tnic> <1419236.138PcnXVBh@vostro.rjw.lan> <20130801080724.GA3448@nazgul.tnic> <51FB4B0A.7060706@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <51FB4B0A.7060706@intel.com> 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: 1155 Lines: 38 On Fri, Aug 02, 2013 at 02:00:42PM +0800, Aaron Lu wrote: > Assume you have specified to use intel_backlight in xorg.conf Right, I have: Section "Device" Option "Backlight" "intel_backlight" Identifier "Card0" Driver "intel" BusID "PCI:0:2:0" EndSection in there currently. > does booting with video.brightness_switch_enabled=0 help? Nope. Kernel command line is like this: [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-3.11.0-rc3+ root=/dev/sdb2 ro root=/dev/sdb2 ignore_loglevel log_buf_len=10M resume=/dev/sdb1 acpi_backlight=vendor video.brightness_switch_enabled=0 i915.i915_enable_rc6=4 i915.i915_enable_fbc=1 i915.lvds_downclock=1 i915.powersave=1 and acpi_backlight=vendor doesn't make any difference. It still works over sysfs though. Thanks. -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. -- -- 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/