Sylwester Nawrocki | 045a1fa | 2013-06-10 08:51:44 -0300 | [diff] [blame] | 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> |
Mauro Carvalho Chehab | d647f0b | 2015-11-13 19:40:07 -0200 | [diff] [blame] | 13 | #include <media/drv-intf/exynos-fimc.h> |
Sylwester Nawrocki | 045a1fa | 2013-06-10 08:51:44 -0300 | [diff] [blame] | 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); |
Mauro Carvalho Chehab | 3efdf62 | 2015-05-07 22:12:32 -0300 | [diff] [blame] | 25 | if (!pad || !is_media_entity_v4l2_subdev(pad->entity)) |
Sylwester Nawrocki | 045a1fa | 2013-06-10 08:51:44 -0300 | [diff] [blame] | 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 | |
Sylwester Nawrocki | 0f20956 | 2013-05-31 13:47:03 -0300 | [diff] [blame] | 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 | |
Sylwester Nawrocki | 045a1fa | 2013-06-10 08:51:44 -0300 | [diff] [blame] | 52 | MODULE_LICENSE("GPL"); |