Re: how to represent sequence of brightnesses in /sys (was Re:[PATCH] Add the LED burst trigger)
From: Greg KH
Date: Sat Dec 28 2013 - 16:50:59 EST
On Sat, Dec 28, 2013 at 10:25:23PM +0100, Pavel Machek wrote:
> > >> Sysfs is meant to be human-readable/writable, so please use plain ASCII
> > >> numbers in strings instead.
> > >
> > > Actually, sysfs is meant to be one value per file, and it is
> > Ideally, yes.
> > > understood that data that are "natively blob" are just passed as
> > > blob. (I believe this qualifies).
> > But it doesn't buy us much here, does it? It will make e.g. shell scripts
> > needlessly complicated.
> echo -ne '\012' is not that bad, and parsing array of integers from
> kernel will be an ugly piece of code.
Ick, no. What are you trying to do here? Have the kernel intrepret a
sequence of bytes to flash an LED? I thought we have frameworks in
userspace already to handle this type of thing. Please don't invent new
ways of doing stuff...
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