diff mbox series

[v11,19/36] media: add V4L2_SUBDEV_FL_MULTIPLEXED

Message ID 20220301161156.1119557-20-tomi.valkeinen@ideasonboard.com (mailing list archive)
State New, archived
Headers show
Series v4l: routing and streams support | expand

Commit Message

Tomi Valkeinen March 1, 2022, 4:11 p.m. UTC 
Add subdev flag V4L2_SUBDEV_FL_MULTIPLEXED. It is used to indicate that
the subdev supports the new API with multiplexed streams (routing,
stream configs).

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
---
 include/media/v4l2-subdev.h | 11 +++++++++++
 1 file changed, 11 insertions(+)
diff mbox series

Patch

diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 6c28b0fa4fe0..ccb4ce9ea6ff 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -881,6 +881,17 @@  struct v4l2_subdev_internal_ops {
  * should set this flag.
  */
 #define V4L2_SUBDEV_FL_HAS_EVENTS		(1U << 3)
+/*
+ * Set this flag if this subdev supports multiplexed streams. This means
+ * that the driver supports routing and handles the stream parameter in its
+ * v4l2_subdev_pad_ops handlers. More specifically, this means:
+ *
+ * - Centrally managed active state is enabled
+ * - Legacy pad config is _not_ supported (state->pads)
+ * - Routing ioctls are available
+ * - Multiple streams per pad are supported
+ */
+#define V4L2_SUBDEV_FL_MULTIPLEXED		(1U << 4)
 
 struct regulator_bulk_data;