Date: Thu, 4 Jun 2009 02:05:01 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Mike Frysinger <vapier.adi@gmail.com>
Cc: David Brownell <david-b@pacbell.net>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] gpio sysfs: add a "toggle" value
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On Thu, 4 Jun 2009 04:52:35 -0400 Mike Frysinger <vapier.adi@gmail.com> wrote:

> my next request was for a 1 letter command set and chaining
> operations.  say you want to toggle a gpio line 4 times, having to go
> between kernel and userspace for that seems kind of heavy.
> echo TTTT > value

I was wondering whether "t" would be better than "toggle".

If you're going to do that, wouldn't you need a "d"(elay) too?  To
prevent large variations in interval between different platforms.  1
millisec, perhaps.

0d1dd0d1ddd0d1, too.

This could be fun.
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