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