linux/drivers/media/platform/exynos4-is/common.c
Linus Torvalds ed63b9c873 media updates for v5.3-rc1
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Merge tag 'media/v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - new Atmel microship ISC driver

 - coda has gained support for mpeg2 and mpeg4

 - cxusb gained support for analog TV

 - rockchip staging driver was split into two separate staging drivers

 - added a new staging driver for Allegro DVT video IP core

 - added a new staging driver for Amlogic Meson video decoder

 - lots of improvements and cleanups

* tag 'media/v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (398 commits)
  media: allegro: use new v4l2_m2m_ioctl_try_encoder_cmd funcs
  media: doc-rst: Fix typos
  media: radio-raremono: change devm_k*alloc to k*alloc
  media: stv0297: fix frequency range limit
  media: rc: Prefer KEY_NUMERIC_* for number buttons on remotes
  media: dvb_frontend: split dvb_frontend_handle_ioctl function
  media: mceusb: disable "nonsensical irdata" messages
  media: rc: remove redundant dev_err message
  media: cec-notifier: add new notifier functions
  media: cec: add struct cec_connector_info support
  media: cec-notifier: rename variables, check kstrdup and n->conn_name
  media: MAINTAINERS: Add maintainers for Media Controller
  media: staging: media: tegra-vde: Defer dmabuf's unmapping
  media: staging: media: tegra-vde: Add IOMMU support
  media: hdpvr: fix locking and a missing msleep
  media: v4l2: Test type instead of cfg->type in v4l2_ctrl_new_custom()
  media: atmel: atmel-isc: fix i386 build error
  media: v4l2-ctrl: Move compound control initialization
  media: hantro: Use vb2_get_buffer
  media: pci: cx88: Change the type of 'missed' to u64
  ...
2019-07-09 09:47:22 -07:00

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C

// 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");