linux-kernel - Re: [PATCH 1/3] gpiolib: add gpio_set

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Message-ID: <20100227102609.GA2994@sirena.org.uk>
Date:	Sat, 27 Feb 2010 10:26:12 +0000
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	David Brownell <david-b@...bell.net>
Cc:	Ben Gardner <gardner.ben@...il.com>, linux-kernel@...r.kernel.org,
	Andres Salomon <dilinger@...labora.co.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jani Nikula <ext-jani.1.nikula@...ia.com>
Subject: Re: [PATCH 1/3] gpiolib: add gpio_set_direction()

On Fri, Feb 26, 2010 at 11:02:18PM -0800, David Brownell wrote:
> On Friday 26 February 2010, Ben Gardner wrote:

> > Add 'none' and 'inout' directions to the sysfs interface.

> Both of those seem nonsensical:

>  "none" ... since it's not even a GPIO, why would it show
> 	up through the GPIO subsystem???

I suspect this is intended to be tristated, which might be useful to add.
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