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    SubjectRe: [PATCH] gpio sysfs: add a "toggle" value
    On Thu, 4 Jun 2009 04:52:35 -0400 Mike Frysinger <> 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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