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Message-ID: <20131228192630.GA28026@amd.pavel.ucw.cz> 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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