From 834a8be1566f6db57a95954cc7bcc9d1e95aa80b Mon Sep 17 00:00:00 2001
From: Martin Bugge <marbugge@cisco.com>
Date: Thu, 12 Dec 2013 10:10:57 -0300
Subject: [PATCH] [media] adv7842: return 0 if no change in s_dv_timings

Return 0 if the new timings are equal to the current timings as
it caused extra cp-loss/lock interrupts.

Signed-off-by: Martin Bugge <marbugge@cisco.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Reading git-format-patch failed