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| author | Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> | 2024-04-24 18:39:14 +0300 |
|---|---|---|
| committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2024-06-04 08:31:25 +0200 |
| commit | f8e9662e4da6d4e394a3d9cf0d335863650d712d (patch) | |
| tree | d9777dabd4517c3396e3a9ebe13ecdea2b1a40fc /include/media | |
| parent | 93c726f41afb8407d43e0bea66d716f6446c9e46 (diff) | |
| download | lwn-f8e9662e4da6d4e394a3d9cf0d335863650d712d.tar.gz lwn-f8e9662e4da6d4e394a3d9cf0d335863650d712d.zip | |
media: subdev: Improve s_stream documentation
Now that enable/disable_streams operations are available for
single-stream subdevices too, there's no reason to use the old s_stream
operation on new drivers. Extend the documentation reflecting this.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Umang Jain<umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/v4l2-subdev.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 23c970d09870..df66365576dd 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -450,6 +450,15 @@ enum v4l2_subdev_pre_streamon_flags { * already started or stopped subdev. Also see call_s_stream wrapper in * v4l2-subdev.c. * + * New drivers should instead implement &v4l2_subdev_pad_ops.enable_streams + * and &v4l2_subdev_pad_ops.disable_streams operations, and use + * v4l2_subdev_s_stream_helper for the &v4l2_subdev_video_ops.s_stream + * operation to support legacy users. + * + * Drivers should also not call the .s_stream() subdev operation directly, + * but use the v4l2_subdev_enable_streams() and + * v4l2_subdev_disable_streams() helpers. + * * @g_pixelaspect: callback to return the pixelaspect ratio. * * @s_rx_buffer: set a host allocated memory buffer for the subdev. The subdev |