linux/drivers/media/platform/vsp1/vsp1_uds.h
Laurent Pinchart 07a23c6117 [media] v4l: vsp1: Simplify alpha propagation
We don't need to walk the pipeline when propagating the alpha value as
all the information needed for propagation is already available from the
pipeline structure.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-06-28 12:29:33 -03:00

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1.0 KiB
C

/*
* vsp1_uds.h -- R-Car VSP1 Up and Down Scaler
*
* Copyright (C) 2013-2014 Renesas Electronics Corporation
*
* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef __VSP1_UDS_H__
#define __VSP1_UDS_H__
#include <media/media-entity.h>
#include <media/v4l2-subdev.h>
#include "vsp1_entity.h"
struct vsp1_device;
#define UDS_PAD_SINK 0
#define UDS_PAD_SOURCE 1
struct vsp1_uds {
struct vsp1_entity entity;
bool scale_alpha;
};
static inline struct vsp1_uds *to_uds(struct v4l2_subdev *subdev)
{
return container_of(subdev, struct vsp1_uds, entity.subdev);
}
struct vsp1_uds *vsp1_uds_create(struct vsp1_device *vsp1, unsigned int index);
void vsp1_uds_set_alpha(struct vsp1_entity *uds, struct vsp1_dl_list *dl,
unsigned int alpha);
#endif /* __VSP1_UDS_H__ */