linux-kernel - Re: [patch/rfc 2/4] pcf875x I2C GPIO expander driver

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Date:	Fri, 04 Apr 2008 13:45:35 +1100
From:	Ben Nizette <bn@...sdigital.com>
To:	Trent Piepho <tpiepho@...escale.com>
Cc:	David Brownell <david-b@...bell.net>,
	Jean Delvare <khali@...ux-fr.org>,
	Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [patch/rfc 2/4] pcf875x I2C GPIO expander driver


On Thu, 2008-04-03 at 19:06 -0700, Trent Piepho wrote:
> On Fri, 30 Nov 2007, David Brownell wrote:
> > On Friday 30 November 2007, Jean Delvare wrote:
> >>
> >> So the user-space interface would be part of the generic GPIO
> >> infrastructure? I like the idea.
> >
> > I thought that would make sense too! :)  Someone would need to
> > write the code though.  Having such a mechanism would provide
> > another "carrot" to migrate folk towards the gpiolib core.
> 
> Here's some code to do this.  It's not entirely perfect yet, but it is
> usable.

I quite like the fact that this easily tracks labels but I like the
interface of simple_gpio posted a few days back:
http://lkml.org/lkml/2008/3/26/87

Either way, anything unified is good.

	--Ben.
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