From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751810AbcB2M5I (ORCPT ); Mon, 29 Feb 2016 07:57:08 -0500 Received: from mail-wm0-f52.google.com ([74.125.82.52]:33643 "EHLO mail-wm0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750979AbcB2M5F (ORCPT ); Mon, 29 Feb 2016 07:57:05 -0500 Date: Mon, 29 Feb 2016 13:57:02 +0100 From: Pali =?utf-8?B?Um9ow6Fy?= To: =?utf-8?B?TWljaGHFgiBLxJlwaWXFhA==?= Cc: Matthew Garrett , Darren Hart , Darek Stojaczyk , platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 3/5] dell-wmi: enable receiving WMI events on Dell Vostro V131 Message-ID: <20160229125702.GH21814@pali> References: <1455634230-1487-1-git-send-email-kernel@kempniu.pl> <1456298416-29683-1-git-send-email-kernel@kempniu.pl> <1456298416-29683-4-git-send-email-kernel@kempniu.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1456298416-29683-4-git-send-email-kernel@kempniu.pl> 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 24 February 2016 08:20:13 Michał Kępień wrote: > On some laptop models (e.g. Dell Vostro V131), WMI events are not > generated until a specific SMBIOS request is issued to register an event > listener [1]. As there seems to be no ACPI method or SMBIOS request to > determine without possible side effects whether a given machine needs to > issue this SMBIOS request in order to receive WMI events, DMI matching > is used to whitelist the models which need it. > > [1] https://lists.us.dell.com/pipermail/libsmbios-devel/2015-July/000612.html > > Signed-off-by: Michał Kępień Reviewed-by: Pali Rohár -- Pali Rohár pali.rohar@gmail.com