Merge tag 'media/v6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull missed media updates from Mauro Carvalho Chehab:
 "It seems I screwed-up my previous pull request: it ends up that only
  half of the media patches that were in linux-next got merged in -rc1.

  The script which creates the signed tags silently failed due to
  5.19->6.0 so it ended generating a tag with incomplete stuff.

  So here are the missing parts:

   - a DVB core security fix

   - lots of fixes and cleanups for atomisp staging driver

   - old drivers that are VB1 are being moved to staging to be
     deprecated

   - several driver updates - mostly for embedded systems, but there are
     also some things addressing issues with some PC webcams, in the UVC
     video driver"

* tag 'media/v6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (163 commits)
  media: sun6i-csi: Move csi buffer definition to main header file
  media: sun6i-csi: Introduce and use video helper functions
  media: sun6i-csi: Add media ops with link notify callback
  media: sun6i-csi: Remove controls handler from the driver
  media: sun6i-csi: Register the media device after creation
  media: sun6i-csi: Pass and store csi device directly in video code
  media: sun6i-csi: Tidy up video code
  media: sun6i-csi: Tidy up v4l2 code
  media: sun6i-csi: Tidy up Kconfig
  media: sun6i-csi: Use runtime pm for clocks and reset
  media: sun6i-csi: Define and use variant to get module clock rate
  media: sun6i-csi: Always set exclusive module clock rate
  media: sun6i-csi: Tidy up platform code
  media: sun6i-csi: Refactor main driver data structures
  media: sun6i-csi: Define and use driver name and (reworked) description
  media: cedrus: Add a Kconfig dependency on RESET_CONTROLLER
  media: sun8i-rotate: Add a Kconfig dependency on RESET_CONTROLLER
  media: sun8i-di: Add a Kconfig dependency on RESET_CONTROLLER
  media: sun4i-csi: Add a Kconfig dependency on RESET_CONTROLLER
  media: sun6i-csi: Add a Kconfig dependency on RESET_CONTROLLER
  ...

1 files changed, 72 insertions, 0 deletions

diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c
index d00237ee4cae..397d553177fa 100644
--- a/drivers/media/v4l2-core/v4l2-dev.c
+++ b/drivers/media/v4l2-core/v4l2-dev.c
@@ -1095,6 +1095,78 @@ void video_unregister_device(struct video_device *vdev)
 }
 EXPORT_SYMBOL(video_unregister_device);
 
+#if defined(CONFIG_MEDIA_CONTROLLER)
+
+__must_check int video_device_pipeline_start(struct video_device *vdev,
+					     struct media_pipeline *pipe)
+{
+	struct media_entity *entity = &vdev->entity;
+
+	if (entity->num_pads != 1)
+		return -ENODEV;
+
+	return media_pipeline_start(&entity->pads[0], pipe);
+}
+EXPORT_SYMBOL_GPL(video_device_pipeline_start);
+
+__must_check int __video_device_pipeline_start(struct video_device *vdev,
+					       struct media_pipeline *pipe)
+{
+	struct media_entity *entity = &vdev->entity;
+
+	if (entity->num_pads != 1)
+		return -ENODEV;
+
+	return __media_pipeline_start(&entity->pads[0], pipe);
+}
+EXPORT_SYMBOL_GPL(__video_device_pipeline_start);
+
+void video_device_pipeline_stop(struct video_device *vdev)
+{
+	struct media_entity *entity = &vdev->entity;
+
+	if (WARN_ON(entity->num_pads != 1))
+		return;
+
+	return media_pipeline_stop(&entity->pads[0]);
+}
+EXPORT_SYMBOL_GPL(video_device_pipeline_stop);
+
+void __video_device_pipeline_stop(struct video_device *vdev)
+{
+	struct media_entity *entity = &vdev->entity;
+
+	if (WARN_ON(entity->num_pads != 1))
+		return;
+
+	return __media_pipeline_stop(&entity->pads[0]);
+}
+EXPORT_SYMBOL_GPL(__video_device_pipeline_stop);
+
+__must_check int video_device_pipeline_alloc_start(struct video_device *vdev)
+{
+	struct media_entity *entity = &vdev->entity;
+
+	if (entity->num_pads != 1)
+		return -ENODEV;
+
+	return media_pipeline_alloc_start(&entity->pads[0]);
+}
+EXPORT_SYMBOL_GPL(video_device_pipeline_alloc_start);
+
+struct media_pipeline *video_device_pipeline(struct video_device *vdev)
+{
+	struct media_entity *entity = &vdev->entity;
+
+	if (WARN_ON(entity->num_pads != 1))
+		return NULL;
+
+	return media_pad_pipeline(&entity->pads[0]);
+}
+EXPORT_SYMBOL_GPL(video_device_pipeline);
+
+#endif /* CONFIG_MEDIA_CONTROLLER */
+
 /*
  *	Initialise video for linux
  */