From: Thierry Reding <treding@nvidia.com>
Date: Wed, 2 Oct 2013 16:01:02 +0000 (+0200)
Subject: pwm-backlight: Track enable state
X-Git-Tag: v3.13-rc1~58^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=97c38437115aa0c3fb2d50c488814b503ba529e0;p=pandora-kernel.git

pwm-backlight: Track enable state

Follow up patches will add support for more complex means of powering
the backlight on and off such as using a regulator. To prevent calls to
the regulator API from becoming unbalanced, keep track of the enabled
state internally.

Signed-off-by: Thierry Reding <treding@nvidia.com>
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