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Subject: media: Documentation: Fix [GS]_ROUTING documentation Author: Tomi Valkeinen <[email protected]> Date: Thu Jul 20 10:08:28 2023 +0200 Add mention that successful VIDIOC_SUBDEV_G_ROUTING call will update 'num_routes' and remove mention about non-existing streams, which is incorrect. Fixes: ea73eda50813 ("media: Documentation: Add GS_ROUTING documentation") Signed-off-by: Tomi Valkeinen <[email protected]> Signed-off-by: Sakari Ailus <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> Documentation/userspace-api/media/v4l/vidioc-subdev-g-routing.rst | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) --- diff --git a/Documentation/userspace-api/media/v4l/vidioc-subdev-g-routing.rst b/Documentation/userspace-api/media/v4l/vidioc-subdev-g-routing.rst index 2d6e3bbdd040..72677a280cd6 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-subdev-g-routing.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-subdev-g-routing.rst @@ -58,6 +58,9 @@ the subdevice exposes, drivers return the ENOSPC error code and adjust the value of the ``num_routes`` field. Application should then reserve enough memory for all the route entries and call ``VIDIOC_SUBDEV_G_ROUTING`` again. +On a successful ``VIDIOC_SUBDEV_G_ROUTING`` call the driver updates the +``num_routes`` field to reflect the actual number of routes returned. + .. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}| .. c:type:: v4l2_subdev_routing @@ -138,9 +141,7 @@ ENOSPC EINVAL The sink or source pad identifiers reference a non-existing pad, or reference - pads of different types (ie. the sink_pad identifiers refers to a source pad) - or the sink or source stream identifiers reference a non-existing stream on - the sink or source pad. + pads of different types (ie. the sink_pad identifiers refers to a source pad). E2BIG The application provided ``num_routes`` for ``VIDIOC_SUBDEV_S_ROUTING`` is _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
