diff options
Diffstat (limited to 'drivers/media/platform/rcar-vin/rcar-v4l2.c')
| -rw-r--r-- | drivers/media/platform/rcar-vin/rcar-v4l2.c | 42 |
1 files changed, 37 insertions, 5 deletions
diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c index e6ea2b7991b8..457a65bf6b66 100644 --- a/drivers/media/platform/rcar-vin/rcar-v4l2.c +++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c @@ -966,12 +966,9 @@ void rvin_v4l2_unregister(struct rvin_dev *vin) video_unregister_device(&vin->vdev); } -static void rvin_notify(struct v4l2_subdev *sd, - unsigned int notification, void *arg) +static void rvin_notify_video_device(struct rvin_dev *vin, + unsigned int notification, void *arg) { - struct rvin_dev *vin = - container_of(sd->v4l2_dev, struct rvin_dev, v4l2_dev); - switch (notification) { case V4L2_DEVICE_NOTIFY_EVENT: v4l2_event_queue(&vin->vdev, arg); @@ -981,6 +978,41 @@ static void rvin_notify(struct v4l2_subdev *sd, } } +static void rvin_notify(struct v4l2_subdev *sd, + unsigned int notification, void *arg) +{ + struct v4l2_subdev *remote; + struct rvin_group *group; + struct media_pad *pad; + struct rvin_dev *vin = + container_of(sd->v4l2_dev, struct rvin_dev, v4l2_dev); + unsigned int i; + + /* If no media controller, no need to route the event. */ + if (!vin->info->use_mc) { + rvin_notify_video_device(vin, notification, arg); + return; + } + + group = vin->group; + + for (i = 0; i < RCAR_VIN_NUM; i++) { + vin = group->vin[i]; + if (!vin) + continue; + + pad = media_entity_remote_pad(&vin->pad); + if (!pad) + continue; + + remote = media_entity_to_v4l2_subdev(pad->entity); + if (remote != sd) + continue; + + rvin_notify_video_device(vin, notification, arg); + } +} + int rvin_v4l2_register(struct rvin_dev *vin) { struct video_device *vdev = &vin->vdev; |