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

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Date:	Sat, 28 Dec 2013 19:51:59 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Pavel Machek <pavel@....cz>
Cc:	Joe Xue <lgxue@...mail.com>,
	"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

On Sat, Dec 28, 2013 at 11:16 AM, Pavel Machek <pavel@....cz> wrote:
>> Good idea.
>> I have finished but I'll change it to this way soon and test it in next some days.
>>
>> What the idea about the character to indicate stop?
>>
>> I mean this patten maybe indicate just once maybe indicate repeatedly until the next patten.
>>
>> What about "/"?
>> If there is a "/" at end then stop it else repeat it?
>
> Actually, I'd put a do_repeat attribute somewhere instead of using
> magic character for automatic repeats.
>
> 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...

Sysfs is meant to be human-readable/writable, so please use plain ASCII
numbers in strings instead.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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