Subject: Re: [PATCH] rfkill: Regulator consumer driver for rfkill
From: Bernd Petrovitsch <bernd@petrovitsch.priv.at>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: Paul Bolle <pebolle@tiscali.nl>,
	Mark Brown <broonie@opensource.wolfsonmicro.com>,
	Antonio Ospite <ospite@studenti.unina.it>,
	linux-wireless@vger.kernel.org, openezx-devel@lists.openezx.org,
	"John W . Linville" <linville@tuxdriver.com>,
	Liam Girdwood <lrg@slimlogic.co.uk>,
	linux-kernel@vger.kernel.org, Marek Vasut <marek.vasut@gmail.com>,
	Guiming Zhuo <gmzhuo@gmail.com>
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Date: Thu, 07 Apr 2011 12:01:12 +0200
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On Mit, 2011-04-06 at 20:46 +0200, Johannes Berg wrote: 
> On Wed, 2011-04-06 at 20:12 +0200, Paul Bolle wrote:
[...] 
> > But doesn't
> > 	depends on RFKILL || !RFKILL
> > 
> > always evaluate to true when running "make *config"? (Even if RFKILL is
> > an unknown symbol when that expression is parsed!)
> 
> No, it will not, you're forgetting that these things are tristate.

Boolean operators for tristate logic isn't intuitive at all IMHO.

Bernd
-- 
Bernd Petrovitsch                  Email : bernd@petrovitsch.priv.at
                     LUGA : http://www.luga.at