From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752163AbcAFIp0 (ORCPT ); Wed, 6 Jan 2016 03:45:26 -0500 Received: from mail-wm0-f49.google.com ([74.125.82.49]:35249 "EHLO mail-wm0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751798AbcAFIpV (ORCPT ); Wed, 6 Jan 2016 03:45:21 -0500 Date: Wed, 6 Jan 2016 09:45:13 +0100 From: Pali =?utf-8?B?Um9ow6Fy?= To: Henrique de Moraes Holschuh Cc: Darren Hart , ibm-acpi-devel@lists.sourceforge.net, platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, "Fabio D'Urso" Subject: Re: [PATCH] thinkpad_acpi: Add support for keyboard backlight Message-ID: <20160106084513.GA11364@pali> References: <1450982818-11694-1-git-send-email-pali.rohar@gmail.com> <20151227231417.GB8731@khazad-dum.debian.net> <201512281548.14411@pali> <201512302328.48620@pali> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <201512302328.48620@pali> User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 30 December 2015 23:28:48 Pali Rohár wrote: > On Monday 28 December 2015 15:48:14 Pali Rohár wrote: > > > Also, is it working properly across suspend+resume? > > > > When doing resume from suspend or hibernate BIOS turning keyboard > > backlight automatically off. > > Fixed in v2. > Now I see that BIOS try to be too intelligent and automatically turn of keyboard backlight when LID is closed. When LID is open again then keyboard backlight stay turned off. Sysfs show correct state (brightness is zero). Should thinkpad acpi driver do something? Or let BIOS do that job? -- Pali Rohár pali.rohar@gmail.com