From 1f088dc162ff191b95d4737d9a3664d8b6a4fca8 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hans.verkuil@cisco.com>
Date: Sat, 7 Mar 2015 14:15:25 -0300
Subject: [PATCH] [media] vivid-tpg: correctly average the two pixels in
 gen_twopix()

gen_twopix() is always called twice: once for the first and once for
the second pixel. Improve the code to properly average the two if the
format requires horizontal downsampling.

This is necessary for patterns like 1x1 red/blue checkers.

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