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media: Documentation: Improve v4l2_subdev_{en,dis}able_streams documentation

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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>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Sakari Ailus
2024-10-16 09:32:41 +02:00
committed by Mauro Carvalho Chehab
parent 646aed96d5
commit fd0e579bc6
1 changed files with 4 additions and 0 deletions
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include/media/v4l2-subdev.h
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@@ -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