diff options
Diffstat (limited to 'drivers/media/platform/vimc/vimc-common.c')
| -rw-r--r-- | drivers/media/platform/vimc/vimc-common.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/media/platform/vimc/vimc-common.c b/drivers/media/platform/vimc/vimc-common.c index 3afbabd739a5..f809a9d756b9 100644 --- a/drivers/media/platform/vimc/vimc-common.c +++ b/drivers/media/platform/vimc/vimc-common.c @@ -220,6 +220,38 @@ struct media_pad *vimc_pads_init(u16 num_pads, const unsigned long *pads_flag) return pads; } +int vimc_pipeline_s_stream(struct media_entity *ent, int enable) +{ + struct v4l2_subdev *sd; + struct media_pad *pad; + unsigned int i; + int ret; + + for (i = 0; i < ent->num_pads; i++) { + if (ent->pads[i].flags & MEDIA_PAD_FL_SOURCE) + continue; + + /* Start the stream in the subdevice direct connected */ + pad = media_entity_remote_pad(&ent->pads[i]); + + /* + * if this is a raw node from vimc-core, then there is + * nothing to activate + * TODO: remove this when there are no more raw nodes in the + * core and return error instead + */ + if (pad->entity->obj_type == MEDIA_ENTITY_TYPE_BASE) + continue; + + sd = media_entity_to_v4l2_subdev(pad->entity); + ret = v4l2_subdev_call(sd, video, s_stream, enable); + if (ret && ret != -ENOIOCTLCMD) + return ret; + } + + return 0; +} + static const struct media_entity_operations vimc_ent_sd_mops = { .link_validate = v4l2_subdev_link_validate, }; |