From mboxrd@z Thu Jan 1 00:00:00 1970 From: Romain Francoise Subject: Re: v3.14-rc7: Backlight control broken on Dell XPS13 Date: Mon, 17 Mar 2014 18:27:28 +0100 Message-ID: <87vbvc3fcv.fsf@kima.orebokech.com> References: <87eh213q70.fsf@kima.orebokech.com> <877g7s53ac.fsf@kima.orebokech.com> <87vbvcrd4j.fsf@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from stringer.orebokech.com (stringer.orebokech.com [212.83.175.182]) by gabe.freedesktop.org (Postfix) with ESMTP id 2F4B76F6CA for ; Mon, 17 Mar 2014 10:27:31 -0700 (PDT) In-Reply-To: <87vbvcrd4j.fsf@intel.com> (Jani Nikula's message of "Mon, 17 Mar 2014 18:41:48 +0200") List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Jani Nikula Cc: Daniel Vetter , intel-gfx List-Id: intel-gfx@lists.freedesktop.org Jani Nikula writes: > Here's two patches to try, separately, *without* the quirk: [...] Okay, I've tried both and neither works. However, I've noticed that while the backlight level never changes even though I'm changing it with Fn+F4/Fn+F5, it *does* get registered somewhere because if I bring it all the day down and reboot, the brightness is reduced in the next BIOS POST (loading i915 gets it back to 100%). Thanks, -r