From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pali =?utf-8?B?Um9ow6Fy?= Subject: Re: Dell Vostro V131 hotkeys revisited Date: Wed, 24 Jun 2015 15:23:03 +0200 Message-ID: <20150624132303.GK21149@pali> References: <20150623112621.GA3071@eudyptula.hq.kempniu.pl> <20150623114659.GM31818@pali> <20150623194015.GA2579@eudyptula.hq.kempniu.pl> <201506232147.24651@pali> <20150624111825.GA2405@eudyptula.hq.kempniu.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail-wi0-f173.google.com ([209.85.212.173]:36553 "EHLO mail-wi0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752542AbbFXNXH (ORCPT ); Wed, 24 Jun 2015 09:23:07 -0400 Received: by wicnd19 with SMTP id nd19so135314728wic.1 for ; Wed, 24 Jun 2015 06:23:06 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20150624111825.GA2405@eudyptula.hq.kempniu.pl> Sender: platform-driver-x86-owner@vger.kernel.org List-ID: To: =?utf-8?B?TWljaGHFgiBLxJlwaWXFhA==?= Cc: Matthew Garrett , Rezwanul Kabir , Alex Hung , Darren Hart , platform-driver-x86@vger.kernel.org On Wednesday 24 June 2015 13:18:25 Micha=C5=82 K=C4=99pie=C5=84 wrote: > > Maybe we need to somehow enable receiving such events? >=20 > ACPI method WED0, which should enable event collection, is automatica= lly > invoked when dell-wmi is loaded. Some WMI implementations (e.g. Asus) > require special WMI method calls to enable hotkey event collection, b= ut > these should be visible in the MOF and they're not in this case. >=20 > I suspect this is simply a firmware issue that the vendor works aroun= d > in Windows using some mysterious hacks. It already happened before [1= ] > and thus I share your lack of faith in pushing this matter any furthe= r > until we hear from Dell... >=20 > [1] http://www.spinics.net/lists/linux-acpi/msg34577.html >=20 Can you try to load wmi.ko with params debug_event=3D1 and debug_dump_wdg=3D1 if you can see something in dmesg? Maybe we really need some hack/hook if this is firmware issue... --=20 Pali Roh=C3=A1r pali.rohar@gmail.com