linux-kernel - Re: [PATCH] Add the LED burst trigger

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Date:	Sat, 28 Dec 2013 20:26:30 +0100
From:	Pavel Machek <pavel@....cz>
To:	Joe Xue <lgxue@...mail.com>
Cc:	"cooloney@...il.com" <cooloney@...il.com>,
	"rpurdie@...ys.net" <rpurdie@...ys.net>,
	"rob@...dley.net" <rob@...dley.net>,
	"milo.kim@...com" <milo.kim@...com>,
	"linux-leds@...r.kernel.org" <linux-leds@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>
Subject: Re: [PATCH] Add the LED burst trigger

Hi!

> > And while " " for pause and "#" for light would work. Maybe we chould
> > do "\0" for pause and "\177" for light... and interpret everything
> > between as an intensity. That will make it useful for LEDs with
> > variable intensites, too...
> 
> "\0" is not easy to give if application is a script.
> intensity is a good idea, but makes it more complex, and user need to convert the "\num" to a ASCII code.
> 


OTOH it is easier for C programs _and_ we can support different
brightness levels.

It is not that bad from script:

echo -ne '\0\051\0377' > foo...

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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