From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752525AbcBORFj (ORCPT ); Mon, 15 Feb 2016 12:05:39 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:56255 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752406AbcBORFf (ORCPT ); Mon, 15 Feb 2016 12:05:35 -0500 Subject: Re: [PATCH 1/2] ideapad: No hardware switch after 2016 To: =?UTF-8?Q?Bj=c3=b8rn_Mork?= References: <1455531813-1256-1-git-send-email-ike.pan@canonical.com> <1455531863-1294-1-git-send-email-ike.pan@canonical.com> <87r3gew4zw.fsf@nemi.mork.no> Cc: Darren Hart , platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org From: Ike Panhc Message-ID: <56C20556.7040900@canonical.com> Date: Tue, 16 Feb 2016 01:05:26 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 In-Reply-To: <87r3gew4zw.fsf@nemi.mork.no> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/15/2016 08:08 PM, Bjørn Mork wrote: > Ike Panhc writes: > >> There are complains on few ideapads that wireless is always hard >> blocked but there is no physical radio switch. For now, we need >> each user to report its dmi information and ignore hard blocks >> on their ideapad. With more and more ideapads available in market >> to maintain the dmi table becomes never-ended job. >> >> I've checked lenovo website and for recent design none of the >> ideapads has radio switch. I do not believe there will be in the >> future. Therefore to disable hard block according to BIOS date is >> reasonable approach. >> >> This patch will disable rfkill hardblock if BIOS year > 2015. > > Huh? And what happens when a user upgrades the BIOS on older hardware? > That's why I believe > 2015 is a better choice, not > 2014. Ideapads in market now carries BIOS year 2015 and I found no radio switch on them. And I don't believe anyone will receive or upgrade BIOS for more then 1y old machine. In fact I haven't heard anyone upgrading BIOS for a long time. -- Ike Panhc