Commit | Line | Data |
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045a1fac SN |
1 | /* |
2 | * Samsung S5P/EXYNOS4 SoC Camera Subsystem driver | |
3 | * | |
4 | * Copyright (C) 2013 Samsung Electronics Co., Ltd. | |
5 | * Author: Sylwester Nawrocki <s.nawrocki@samsung.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | ||
12 | #include <linux/module.h> | |
d647f0b7 | 13 | #include <media/drv-intf/exynos-fimc.h> |
045a1fac SN |
14 | #include "common.h" |
15 | ||
16 | /* Called with the media graph mutex held or entity->stream_count > 0. */ | |
17 | struct v4l2_subdev *fimc_find_remote_sensor(struct media_entity *entity) | |
18 | { | |
19 | struct media_pad *pad = &entity->pads[0]; | |
20 | struct v4l2_subdev *sd; | |
21 | ||
22 | while (pad->flags & MEDIA_PAD_FL_SINK) { | |
23 | /* source pad */ | |
24 | pad = media_entity_remote_pad(pad); | |
3efdf62c | 25 | if (!pad || !is_media_entity_v4l2_subdev(pad->entity)) |
045a1fac SN |
26 | break; |
27 | ||
28 | sd = media_entity_to_v4l2_subdev(pad->entity); | |
29 | ||
30 | if (sd->grp_id == GRP_ID_FIMC_IS_SENSOR || | |
31 | sd->grp_id == GRP_ID_SENSOR) | |
32 | return sd; | |
33 | /* sink pad */ | |
34 | pad = &sd->entity.pads[0]; | |
35 | } | |
36 | return NULL; | |
37 | } | |
38 | EXPORT_SYMBOL(fimc_find_remote_sensor); | |
39 | ||
0f20956b SN |
40 | void __fimc_vidioc_querycap(struct device *dev, struct v4l2_capability *cap, |
41 | unsigned int caps) | |
42 | { | |
43 | strlcpy(cap->driver, dev->driver->name, sizeof(cap->driver)); | |
44 | strlcpy(cap->card, dev->driver->name, sizeof(cap->card)); | |
45 | snprintf(cap->bus_info, sizeof(cap->bus_info), | |
46 | "platform:%s", dev_name(dev)); | |
47 | cap->device_caps = caps; | |
48 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; | |
49 | } | |
50 | EXPORT_SYMBOL(__fimc_vidioc_querycap); | |
51 | ||
045a1fac | 52 | MODULE_LICENSE("GPL"); |