mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-26 06:04:14 +08:00
3efdf62c5f
Instead of relying on media subtype, use the new macros to detect if an entity is a subdev or an A/V DMA entity. Please note that most drivers assume that there's just AV_DMA or V4L2 subdevs. This is not true anymore, as we've added MC support for DVB, and there are plans to add support for ALSA and FB/DRM too. Ok, on the current pipelines supported by those drivers, just V4L stuff are there, but, assuming that some day a pipeline that also works with other subsystems will ever added, it is better to add explicit checks for the AV_DMA stuff. Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/*
|
|
* Samsung S5P/EXYNOS4 SoC Camera Subsystem driver
|
|
*
|
|
* Copyright (C) 2013 Samsung Electronics Co., Ltd.
|
|
* Author: Sylwester Nawrocki <s.nawrocki@samsung.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#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,
|
|
unsigned int caps)
|
|
{
|
|
strlcpy(cap->driver, dev->driver->name, sizeof(cap->driver));
|
|
strlcpy(cap->card, dev->driver->name, sizeof(cap->card));
|
|
snprintf(cap->bus_info, sizeof(cap->bus_info),
|
|
"platform:%s", dev_name(dev));
|
|
cap->device_caps = caps;
|
|
cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
|
|
}
|
|
EXPORT_SYMBOL(__fimc_vidioc_querycap);
|
|
|
|
MODULE_LICENSE("GPL");
|