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Message-ID: <20111013175649.GB4563@schottelius.org>
Date: Thu, 13 Oct 2011 19:56:49 +0200
From: Nico Schottelius <nico-linux-20111013@...ottelius.org>
To: LKML <linux-kernel@...r.kernel.org>
Cc: Henrik Rydberg <rydberg@...omail.se>,
Nicolas Boichat <nicolas@...chat.ch>,
Jesper Juhl <jesper.juhl@...il.com>,
Robert Love <rml@...ell.com>,
Nico Schottelius <nico-linux-20111013@...ottelius.org>
Subject: AppleSMC: Support inotify on light sensor to adjust keyboard
backlight
Hello LKML,
I've written a small utility to adjust the keyboard backlight
on the Mac Book Air 4,2 depending on the information on the light
sensor [0].
Now is my problem that
/sys/bus/platform/drivers/applesmc/applesmc.768/light
seems not to emit inotify events, if the content changes.
This feature would be great, so I do not need to do a
"while true; sleep X; done"-loop.
As I've no clue about inotify support in kernel, I'd be happy
if someone of you would implement this or else give me a pointer
on how to do so.
Secondly, having this feature for
/sys/bus/platform/drivers/applesmc/applesmc.768/leds/smc::kbd_backlight/brightness
as well, might be useful for other tools monitoring the keyboard
backlight brightness.
Cheers,
Nico
[0] http://git.schottelius.org/?p=kbsd;a=summary
git://git.schottelius.org/kbsd
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