From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753888AbaDDPmn (ORCPT ); Fri, 4 Apr 2014 11:42:43 -0400 Received: from mail-we0-f182.google.com ([74.125.82.182]:40352 "EHLO mail-we0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753485AbaDDPmk (ORCPT ); Fri, 4 Apr 2014 11:42:40 -0400 Message-ID: <533ED2E7.80205@linux.com> Date: Fri, 04 Apr 2014 17:42:31 +0200 From: Levente Kurusa Reply-To: Levente Kurusa User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Jason Cooper , =?UTF-8?B?VGVvZG9yYSBCxINsdcWjxIM=?= CC: Dave Jones , "linux-kernel@vger.kernel.org" , "Waskiewicz Jr, Peter P" Subject: Re: [RFC] QR encoding for Oops messages References: <20140319201838.GA11403@redhat.com> <20140321132816.GW15608@titan.lakedaemon.net> <532DC3D3.9060008@linux.com> <20140323193839.GY15608@titan.lakedaemon.net> <20140401142051.GO28304@titan.lakedaemon.net> <20140404151233.GA28334@titan.lakedaemon.net> In-Reply-To: <20140404151233.GA28334@titan.lakedaemon.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 04/04/2014 05:12 PM, Jason Cooper wrote: > On Thu, Apr 03, 2014 at 10:21:39PM +0200, Levente Kurusa wrote: > ... >> Oh and I had an idea of adding a new kernel parameter, something >> like 'qr_oops.*'. (Looking for a better name! :-) ) >> Basically, I thought of the following options so far: >> >> * qr_oops.disable=1 - disable it >> * qr_oops.scale=600x600 - scale the qr code so its easier to read >> with a phone. In my testing I had huge difficulties reading the >> QR codes, but when scaled to be a bit bigger it worked magically. >> This might not be so easy to implement this way, but with preset >> values, i.e. 4x4 squares instead of a pixel, it could work. > > oops.qr=0 - disabled > oops.qr=3 - make each QR pixel 3x3 screen pixels. > > I've found 3x3 works well for business cards and such. > Yea this makes more sense. I'll go and implement this right now and send the changes to Teodora once finished. -- Regards, Levente Kurusa