// 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");