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
Date: Thu, 4 Jun 2009 02:05:01 -0700 [thread overview]
Message-ID: <20090604020501.cdeb8f10.akpm@linux-foundation.org> (raw)
In-Reply-To: <8bd0f97a0906040152h1fa57f5crd96faa37322a1b40@mail.gmail.com>
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.
next prev parent reply other threads:[~2009-06-04 9:05 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-03 8:16 [PATCH] gpio sysfs: add a "toggle" value Mike Frysinger
2009-06-04 7:54 ` Andrew Morton
2009-06-04 8:16 ` Mike Frysinger
2009-06-04 8:27 ` David Brownell
2009-06-04 8:52 ` Mike Frysinger
2009-06-04 9:05 ` Andrew Morton [this message]
2009-06-04 9:06 ` David Brownell
2009-06-04 9:09 ` Mike Frysinger
2009-06-04 9:15 ` David Brownell
2009-06-04 9:20 ` Mike Frysinger
2009-06-04 9:48 ` David Brownell
2009-06-04 10:06 ` Mike Frysinger
2009-06-04 8:36 ` Andrew Morton
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