From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Sun, 20 Sep 2009 17:44:47 +0000 (-0300)
Subject: backlight: extend event support to also support poll()
X-Git-Tag: v2.6.32-rc1~11^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=89dfc28ccbff6521a4df9dc3699a94bbde11a6ed;p=pandora-kernel.git

backlight: extend event support to also support poll()

Extend the backlight event support to also allow the use of
poll()/select() on actual_brightness.

We already have the entire event hookup anyway, adding a single
function call in one line to get functionality like that is a really
good deal.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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