From 654a731be1a0b6f606f3f3d12b50db08f2ae3c34 Mon Sep 17 00:00:00 2001
From: Prabhakar Lad <prabhakar.csengg@gmail.com>
Date: Wed, 26 Nov 2014 19:42:32 -0300
Subject: [PATCH] [media] media: s5p-mfc: use vb2_ops_wait_prepare/finish
 helper

This patch drops driver specific wait_prepare() and
wait_finish() callbacks from vb2_ops and instead uses
the the helpers vb2_ops_wait_prepare/finish() provided
by the vb2 core, the lock member of the queue needs
to be initalized to a mutex so that vb2 helpers
vb2_ops_wait_prepare/finish() can make use of it.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Kamil Debski <k.debski@samsung.com>
Cc: Jeongtae Park <jtp.park@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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