linux-kernel - Re: [PATCH 1/3] gpiolib: make gpio_to

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Message-ID: <20080814141428.GA32296@oksana.dev.rtsoft.ru>
Date:	Thu, 14 Aug 2008 18:14:28 +0400
From:	Anton Vorontsov <avorontsov@...mvista.com>
To:	Laurent Pinchart <laurentp@...-semaphore.com>
Cc:	linuxppc-dev@...abs.org, Greg Kroah-Hartman <greg@...ah.com>,
	linux-usb@...r.kernel.org,
	David Brownell <dbrownell@...rs.sourceforge.net>,
	Li Yang <leoli@...escale.com>, linux-kernel@...r.kernel.org,
	Timur Tabi <timur@...escale.com>
Subject: Re: [PATCH 1/3] gpiolib: make gpio_to_chip() public

On Thu, Aug 14, 2008 at 04:04:18PM +0200, Laurent Pinchart wrote:
> On Friday 08 August 2008, Anton Vorontsov wrote:
> > We'll need this function to write platform-specific hooks to deal
> > with pin's dedicated functions. Quite obviously this will work only
> > for the platforms with 1-to-1 GPIO to PIN mapping.
> > 
> > This is stopgap solution till we think out and implement a proper
> > api (pinlib?).
> 
> How do you support reverting the GPIO mode to non-dedicated ?

As we always do with the GPIO API: gpio_direction_*() calls.

-- 
Anton Vorontsov
email: cbouatmailru@...il.com
irc://irc.freenode.net/bd2
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