Return-path: Received: from mail-ew0-f207.google.com ([209.85.219.207]:62673 "EHLO mail-ew0-f207.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755619AbZKFA43 (ORCPT ); Thu, 5 Nov 2009 19:56:29 -0500 Received: by ewy3 with SMTP id 3so619185ewy.37 for ; Thu, 05 Nov 2009 16:56:34 -0800 (PST) Message-ID: <4AF3743D.3050401@lwfinger.net> Date: Thu, 05 Nov 2009 18:56:29 -0600 From: Larry Finger MIME-Version: 1.0 To: Michael Buesch CC: Hin-Tak Leung , John W Linville , Hin-Tak Leung , Herton Ronaldo Krzesinski , linux-wireless@vger.kernel.org Subject: Re: [PATCH] rtl8187: Remove deprecated 'qual' from returned RX status References: <4af26c2f.v0dYcKOlddHI9QEQ%Larry.Finger@lwfinger.net> <3ace41890911051121u16c7de8cpb97d0be12cdd0aa6@mail.gmail.com> <200911052024.32608.mb@bu3sch.de> In-Reply-To: <200911052024.32608.mb@bu3sch.de> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On 11/05/2009 01:24 PM, Michael Buesch wrote: > On Thursday 05 November 2009 20:21:39 Hin-Tak Leung wrote: >>> + * is derived from the AGC. The arbitrary scaling constants >>> * are chosen to make the results close to the values obtained >>> * for a BCM4312 using b43 as the driver. The noise is ignored > > It's not really a good idea to take b43 for reference, because the values/scales > are chosen pretty arbitrarily in that driver. So you basically end up > with an arbitrary^2 value. When I did that, b43 was the only other device that I had available. As Hin-Tak said, one has to start somewhere. As we all know, only relative values are significant, and the absolute value has little meaning. Larry