diff options
| -rw-r--r-- | drivers/media/video/s5p-fimc/fimc-capture.c | 32 | ||||
| -rw-r--r-- | drivers/media/video/s5p-fimc/fimc-core.h | 2 |
2 files changed, 34 insertions, 0 deletions
diff --git a/drivers/media/video/s5p-fimc/fimc-capture.c b/drivers/media/video/s5p-fimc/fimc-capture.c index 0c237a776f8..95996fb91a1 100644 --- a/drivers/media/video/s5p-fimc/fimc-capture.c +++ b/drivers/media/video/s5p-fimc/fimc-capture.c @@ -669,6 +669,37 @@ static const struct v4l2_ioctl_ops fimc_capture_ioctl_ops = { .vidioc_g_input = fimc_cap_g_input, }; +/* Media operations */ +static int fimc_link_setup(struct media_entity *entity, + const struct media_pad *local, + const struct media_pad *remote, u32 flags) +{ + struct video_device *vd = media_entity_to_video_device(entity); + struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(remote->entity); + struct fimc_dev *fimc = video_get_drvdata(vd); + + if (WARN_ON(fimc == NULL)) + return 0; + + dbg("%s --> %s, flags: 0x%x. input: 0x%x", + local->entity->name, remote->entity->name, flags, + fimc->vid_cap.input); + + if (flags & MEDIA_LNK_FL_ENABLED) { + if (fimc->vid_cap.input != 0) + return -EBUSY; + fimc->vid_cap.input = sd->grp_id; + return 0; + } + + fimc->vid_cap.input = 0; + return 0; +} + +static const struct media_entity_operations fimc_media_ops = { + .link_setup = fimc_link_setup, +}; + /* fimc->lock must be already initialized */ int fimc_register_capture_device(struct fimc_dev *fimc, struct v4l2_device *v4l2_dev) @@ -743,6 +774,7 @@ int fimc_register_capture_device(struct fimc_dev *fimc, if (ret) goto err_ent; + vfd->entity.ops = &fimc_media_ops; vfd->ctrl_handler = &ctx->ctrl_handler; return 0; diff --git a/drivers/media/video/s5p-fimc/fimc-core.h b/drivers/media/video/s5p-fimc/fimc-core.h index 1825e339fa3..87a89f1a81b 100644 --- a/drivers/media/video/s5p-fimc/fimc-core.h +++ b/drivers/media/video/s5p-fimc/fimc-core.h @@ -305,6 +305,7 @@ struct fimc_m2m_device { * @reqbufs_count: the number of buffers requested in REQBUFS ioctl * @input_index: input (camera sensor) index * @refcnt: driver's private reference counter + * @input: capture input type, grp_id of the attached subdev * @user_subdev_api: true if subdevs are not configured by the host driver */ struct fimc_vid_cap { @@ -323,6 +324,7 @@ struct fimc_vid_cap { unsigned int reqbufs_count; int input_index; int refcnt; + u32 input; bool user_subdev_api; }; |