| Message ID | 20240920073503.22536-4-sakari.ailus@linux.intel.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Update streaming related documentation | expand |
Hi Sakari, Thank you for the patch. On Fri, Sep 20, 2024 at 10:35:03AM +0300, Sakari Ailus wrote: > 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: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> > --- > include/media/v4l2-subdev.h | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h > index ff63fb6046b1..2f2200875b03 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
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index ff63fb6046b1..2f2200875b03 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
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(+)