From: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Date: Tue, 22 Jan 2013 22:00:23 +0000 (-0300)
Subject: [media] V4L: Add v4l2_ctrl_subdev_subscribe_event() helper function
X-Git-Tag: v3.9-rc1~93^2~153
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=22fa4279eebc3fa4b3c3dc2b190158dbbafcda9f;p=pandora-kernel.git

[media] V4L: Add v4l2_ctrl_subdev_subscribe_event() helper function

Add a v4l2 core helper function that can be used as the subdev
.subscribe_event handler. This allows to eliminate some boilerplate
from drivers that are only handling the control events.

Signed-off-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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