// SPDX-License-Identifier: GPL-2.0-only
|
/*
|
* Samsung S5P/EXYNOS4 SoC Camera Subsystem driver
|
*
|
* Copyright (C) 2013 Samsung Electronics Co., Ltd.
|
* Author: Sylwester Nawrocki <s.nawrocki@samsung.com>
|
*/
|
|
#include <linux/module.h>
|
#include <media/drv-intf/exynos-fimc.h>
|
#include "common.h"
|
|
/* Called with the media graph mutex held or entity->stream_count > 0. */
|
struct v4l2_subdev *fimc_find_remote_sensor(struct media_entity *entity)
|
{
|
struct media_pad *pad = &entity->pads[0];
|
struct v4l2_subdev *sd;
|
|
while (pad->flags & MEDIA_PAD_FL_SINK) {
|
/* source pad */
|
pad = media_entity_remote_pad(pad);
|
if (!pad || !is_media_entity_v4l2_subdev(pad->entity))
|
break;
|
|
sd = media_entity_to_v4l2_subdev(pad->entity);
|
|
if (sd->grp_id == GRP_ID_FIMC_IS_SENSOR ||
|
sd->grp_id == GRP_ID_SENSOR)
|
return sd;
|
/* sink pad */
|
pad = &sd->entity.pads[0];
|
}
|
return NULL;
|
}
|
EXPORT_SYMBOL(fimc_find_remote_sensor);
|
|
void __fimc_vidioc_querycap(struct device *dev, struct v4l2_capability *cap)
|
{
|
strscpy(cap->driver, dev->driver->name, sizeof(cap->driver));
|
strscpy(cap->card, dev->driver->name, sizeof(cap->card));
|
snprintf(cap->bus_info, sizeof(cap->bus_info),
|
"platform:%s", dev_name(dev));
|
}
|
EXPORT_SYMBOL(__fimc_vidioc_querycap);
|
|
MODULE_LICENSE("GPL");
|
