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[v2,3/3] media: Documentation: Improve v4l2_subdev_{en,dis}able_streams documentation

Message ID 20240917150254.17639-4-sakari.ailus@linux.intel.com (mailing list archive)
State New
Headers show
Series Update streaming related documentation | expand

Commit Message

Sakari Ailus Sept. 17, 2024, 3:02 p.m. UTC 
Document that callers of v4l2_subdev_{en,dis}able_streams() need to set
the mask to BIT_ULL(0).

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
 include/media/v4l2-subdev.h | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 67a6e6ec58b8..6f207b9bc459 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -1685,6 +1685,8 @@  int v4l2_subdev_routing_validate(struct v4l2_subdev *sd,
  * function implements a best-effort compatibility by calling the .s_stream()
  * operation, limited to subdevs that have a single source pad.
  *
+ * Drivers that are not stream-aware shall set @streams_mask to BIT_ULL(0).
+ *
  * Return:
  * * 0: Success
  * * -EALREADY: One of the streams in streams_mask is already enabled
@@ -1715,6 +1717,8 @@  int v4l2_subdev_enable_streams(struct v4l2_subdev *sd, u32 pad,
  * function implements a best-effort compatibility by calling the .s_stream()
  * operation, limited to subdevs that have a single source pad.
  *
+ * Drivers that are not stream-aware shall set @streams_mask to BIT_ULL(0).
+ *
  * Return:
  * * 0: Success
  * * -EALREADY: One of the streams in streams_mask is not enabled