linux-kernel - Re: [PATCH 1/3] gpiolib: Add ability to get GPIO pin direction

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Message-ID: <1297698493.965.5475.camel@petert>
Date:	Mon, 14 Feb 2011 09:48:13 -0600
From:	Peter Tyser <ptyser@...-inc.com>
To:	linux-kernel@...r.kernel.org
Cc:	Alek Du <alek.du@...el.com>, Samuel Ortiz <sameo@...ux.intel.com>,
	David Brownell <dbrownell@...rs.sourceforge.net>,
	Eric Miao <eric.y.miao@...il.com>,
	Uwe Kleine-K?nig <u.kleine-koenig@...gutronix.de>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Joe Perches <joe@...ches.com>,
	"grant.likely" <grant.likely@...retlab.ca>
Subject: Re: [PATCH 1/3] gpiolib: Add ability to get GPIO pin direction

On Thu, 2011-01-06 at 13:54 -0600, Peter Tyser wrote:
> Add a new get_direction() function to the gpio_chip structure.  This is
> useful so that the direction of a pin can be determined when its
> exported.  Previously, the direction defaulted to 'in' regardless of the
> actual configuration of the GPIO pin which resulted in the 'direction'
> sysfs file often being incorrect.
> 
> If a GPIO driver implements get_direction(), it is called in
> gpio_request() to set the initial direction of the pin accurately.

I see Grant was just added as a GPIO maintainer, so added him on CC.

Anything gating getting these 3 patches being picked up?

Thanks,
Peter

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