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[media] v4l: vsp1: Use the new media graph walk interface 

The media graph walk requires initialisation and cleanup soon. Update the
users to perform the soon necessary API calls.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Sakari Ailus 2015-12-16 15:32:27 +02:00 committed by Mauro Carvalho Chehab
parent 08613c549f
commit c1a5f1bc0b
1 changed files with 8 additions and 0 deletions
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8
drivers/media/platform/vsp1/vsp1_video.c
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@ -386,6 +386,12 @@ static int vsp1_pipeline_validate(struct vsp1_pipeline *pipe,
mutex_lock(&mdev->graph_mutex);
/* Walk the graph to locate the entities and video nodes. */
ret = media_entity_graph_walk_init(&graph, mdev);
if (ret) {
mutex_unlock(&mdev->graph_mutex);
return ret;
}
media_entity_graph_walk_start(&graph, entity);
while ((entity = media_entity_graph_walk_next(&graph))) {
@ -419,6 +425,8 @@ static int vsp1_pipeline_validate(struct vsp1_pipeline *pipe,
mutex_unlock(&mdev->graph_mutex);
media_entity_graph_walk_cleanup(&graph);
/* We need one output and at least one input. */
if (pipe->num_inputs == 0 || !pipe->output) {
ret = -EPIPE;