Return-path: Received: from he.sipsolutions.net ([78.46.109.217]:45786 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755015Ab1DFUPg (ORCPT ); Wed, 6 Apr 2011 16:15:36 -0400 Subject: Re: [PATCH] rfkill: Regulator consumer driver for rfkill From: Johannes Berg To: Paul Bolle Cc: "John W. Linville" , Mark Brown , Antonio Ospite , linux-wireless@vger.kernel.org, openezx-devel@lists.openezx.org, Liam Girdwood , linux-kernel@vger.kernel.org, Marek Vasut , Guiming Zhuo In-Reply-To: <1302120620.22852.22.camel@x61.thuisdomein> References: <1302081679-812-1-git-send-email-ospite@studenti.unina.it> <20110406141131.GC2810@opensource.wolfsonmicro.com> <1302099669.4090.1.camel@jlt3.sipsolutions.net> <1302113542.22852.7.camel@x61.thuisdomein> <20110406183837.GI11941@tuxdriver.com> <1302120620.22852.22.camel@x61.thuisdomein> Content-Type: text/plain; charset="UTF-8" Date: Wed, 06 Apr 2011 22:15:22 +0200 Message-ID: <1302120922.4090.17.camel@jlt3.sipsolutions.net> Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Wed, 2011-04-06 at 22:10 +0200, Paul Bolle wrote: > On Wed, 2011-04-06 at 14:38 -0400, John W. Linville wrote: > > The syntax may seem strange, > > It does! > > > but basically it just says "don't let me by y if RFKILL is m" > > ... but, besides that, I can be any value. So in effect it's shorthand > for > depends on RFKILL=y || RFKILL=m && m || RFKILL=n > > (which actually looks equally strange). Is that correct? I don't think it is, I believe that an expression like "RFKILL=y" has a bool type, and a tristate type value that depends on a bool type can still take the value m. johannes