Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751886AbaLROkZ (ORCPT ); Thu, 18 Dec 2014 09:40:25 -0500 Received: from mail-la0-f52.google.com ([209.85.215.52]:52397 "EHLO mail-la0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751265AbaLROkX (ORCPT ); Thu, 18 Dec 2014 09:40:23 -0500 Message-ID: <5492E753.7090505@gmail.com> Date: Thu, 18 Dec 2014 17:40:19 +0300 From: Dmitry Tunin User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 MIME-Version: 1.0 To: Matthew Garrett CC: Josh Boyer , "linux-acpi@vger.kernel.org" , linux-kernel , "stable@vger.kernel.org" , Aaron Lu Subject: Re: [PATCH v3 1/2] acpi: Add "acpi_osi=" for ASUS X200MA to enable, brightness keys References: <5492C5A3.8090700@gmail.com> <5492D938.1020907@gmail.com> <20141218135705.GD4918@srcf.ucam.org> <5492DEE7.8010407@gmail.com> <20141218140930.GA6436@srcf.ucam.org> <5492E32E.2030602@gmail.com> <20141218142629.GA6924@srcf.ucam.org> <5492E5F9.2000504@gmail.com> <20141218143623.GA7335@srcf.ucam.org> In-Reply-To: <20141218143623.GA7335@srcf.ucam.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org But at least two devices work well with this quirk. That must be some ASUS UEFI firmware fault, but still it is a workaround. You can find some more information in those bugzilla reports. https://bugzilla.kernel.org/show_bug.cgi?id=89401 https://bugzilla.kernel.org/show_bug.cgi?id=70241 18.12.2014 17:36, Matthew Garrett пишет: > That's odd - it looks like the default behaviour in the absence of any > OSI strings is to just default to an OSYS value that matches Windows > 2012, so disabling the 2013 value should be equivalent. If it's not, > it's definitely not safe to turn off all values - there are several > devices that change behaviour as a result. > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/