Hi Tomi, a small note On Mon, May 24, 2021 at 01:43:49PM +0300, Tomi Valkeinen wrote: > From: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > > The optional operation can be used by entities to report whether two > pads are internally connected. > > While at there, fix a Sphinx compiler warning in a comment block a few > lines above. > > Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx> > Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> > Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx> > Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx> > --- > include/media/media-entity.h | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/include/media/media-entity.h b/include/media/media-entity.h > index 516d73a2941e..ad4020b2df65 100644 > --- a/include/media/media-entity.h > +++ b/include/media/media-entity.h > @@ -187,6 +187,7 @@ enum media_pad_signal_type { > * @flags: Pad flags, as defined in > * :ref:`include/uapi/linux/media.h <media_header>` > * (seek for ``MEDIA_PAD_FL_*``) > + * > * .. note:: > * > * @stream_count reference count must never be negative, but is a signed > @@ -214,6 +215,10 @@ struct media_pad { > * @link_validate: Return whether a link is valid from the entity point of > * view. The media_pipeline_start() function > * validates all links by calling this operation. Optional. > + * @has_route: Return whether a route exists inside the entity between > + * two given pads. Pads are passed to the operation ordered > + * by index. Optional: If the operation isn't implemented According to the next patch, this doesn't seem to be 'Optional:' :) Thanks j > + * all pads will be considered as connected. > * > * .. note:: > * > @@ -227,6 +232,8 @@ struct media_entity_operations { > const struct media_pad *local, > const struct media_pad *remote, u32 flags); > int (*link_validate)(struct media_link *link); > + bool (*has_route)(struct media_entity *entity, unsigned int pad0, > + unsigned int pad1); > }; > > /** > -- > 2.25.1 >