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From: Pavel Machek <pavel@ucw.cz>
To: Joe Xue <lgxue@hotmail.com>
Cc: "cooloney@gmail.com" <cooloney@gmail.com>,
	"rpurdie@rpsys.net" <rpurdie@rpsys.net>,
	"rob@landley.net" <rob@landley.net>,
	"milo.kim@ti.com" <milo.kim@ti.com>,
	"linux-leds@vger.kernel.org" <linux-leds@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>
Subject: Re: [PATCH] Add the LED burst trigger
Date: Sat, 28 Dec 2013 20:26:30 +0100	[thread overview]
Message-ID: <20131228192630.GA28026@amd.pavel.ucw.cz> (raw)
In-Reply-To: <BLU172-W7ED2FA23CAA436EA47FCBACCC0@phx.gbl>

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

  reply	other threads:[~2013-12-28 19:26 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-24 14:30 [PATCH] Add the LED burst trigger lgxue
2013-12-25 23:09 ` Pavel Machek
2013-12-26  1:02   ` Joe Xue
2013-12-26 14:26     ` Pavel Machek
2013-12-26 15:02       ` Joe Xue
2013-12-26 16:58         ` Joe Xue
2013-12-27 12:39           ` Rob Landley
2013-12-27 13:05             ` Pavel Machek
2013-12-27  0:31       ` Joe Xue
2013-12-27  9:57         ` Pavel Machek
2013-12-28  2:08           ` Joe Xue
2013-12-28 10:16             ` Pavel Machek
2013-12-28 13:39               ` Joe Xue
2013-12-28 19:26                 ` Pavel Machek [this message]
2013-12-29  0:23                   ` Joe Xue
2013-12-29 10:58                     ` Pavel Machek
2013-12-28 18:51               ` Geert Uytterhoeven
2013-12-28 19:29                 ` how to represent sequence of brightnesses in /sys (was Re: [PATCH] Add the LED burst trigger) Pavel Machek
2013-12-28 19:34                   ` Geert Uytterhoeven
2013-12-28 21:25                     ` Pavel Machek
2013-12-28 21:50                       ` Greg KH
2013-12-28 23:50                         ` Pavel Machek
2013-12-29  1:43                           ` Greg KH
2013-12-29 11:21                             ` Pavel Machek
2014-01-03  0:16                               ` Bryan Wu
2014-01-06  0:37                                 ` Pavel Machek
2013-12-27 12:33         ` [PATCH] Add the LED burst trigger Geert Uytterhoeven
2013-12-27 11:57     ` One Thousand Gnomes
2013-12-27 12:57       ` Pavel Machek
2013-12-27 14:18         ` One Thousand Gnomes
2013-12-27 15:23           ` Pavel Machek
2013-12-27 18:13             ` One Thousand Gnomes
2013-12-27 18:34               ` Geert Uytterhoeven
2013-12-27 19:37               ` Pavel Machek
2013-12-27 22:45               ` Richard Purdie
2013-12-26 11:18 ` Geert Uytterhoeven
2013-12-30  0:15 ` Joe Xue
  -- strict thread matches above, loose matches on Subject: below --
2013-12-26 16:01 lgxue

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