linux-kernel - Re: [PATCH] rfkill: Regulator consumer driver for rfkill

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Message-ID: <1302170472.21251.9.camel@thorin>
Date:	Thu, 07 Apr 2011 12:01:12 +0200
From:	Bernd Petrovitsch <bernd@...rovitsch.priv.at>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	Paul Bolle <pebolle@...cali.nl>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Antonio Ospite <ospite@...denti.unina.it>,
	linux-wireless@...r.kernel.org, openezx-devel@...ts.openezx.org,
	"John W . Linville" <linville@...driver.com>,
	Liam Girdwood <lrg@...mlogic.co.uk>,
	linux-kernel@...r.kernel.org, Marek Vasut <marek.vasut@...il.com>,
	Guiming Zhuo <gmzhuo@...il.com>
Subject: Re: [PATCH] rfkill: Regulator consumer driver for rfkill

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@...rovitsch.priv.at
                     LUGA : http://www.luga.at

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