From 54c911eb919b44b178bda67564f274197872bd04 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hans.verkuil@cisco.com>
Date: Wed, 25 May 2011 06:04:58 -0300
Subject: [PATCH] [media] v4l2-ctrls: introduce call_op define

Add the call_op define to safely call the control ops. This also allows
for controls without any ops such as the 'control class' controls.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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