From mboxrd@z Thu Jan 1 00:00:00 1970 From: Borislav Petkov Subject: Re: Backlight control only in the kernel? Date: Wed, 7 Aug 2013 12:34:54 +0200 Message-ID: <20130807103454.GC17920@pd.tnic> References: <1370818899-8595-1-git-send-email-matthew.garrett@nebula.com> <20130807074405.GA18272@pd.tnic> <52020D53.1030305@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Return-path: Received: from mail.skyhub.de ([78.46.96.112]:39365 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757387Ab3HGKe4 (ORCPT ); Wed, 7 Aug 2013 06:34:56 -0400 Content-Disposition: inline In-Reply-To: <52020D53.1030305@gmail.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Aaron Lu Cc: Matthew Garrett , linux-acpi@vger.kernel.org, seth.forshee@canonical.com, joeyli.kernel@gmail.com, daniel.vetter@ffwll.ch, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, lenb@kernel.org, rjw@sisk.pl, Aaron Lu On Wed, Aug 07, 2013 at 05:03:15PM +0800, Aaron Lu wrote: > I think this would require the kernel has the knowledge of which > backlight interface this system is using or should be using, or it > wouldn't know which interface should receive and process the event... Well, we can have a default one, say acpi_video and make it overridable with command line options like acpi_backlight=vendor or acpi_backlight=gpu, for example, if acpi_video suffers of a major suckage... -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. --