diff options
| author | Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> | 2023-07-20 10:08:28 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2023-08-14 20:27:55 +0200 |
| commit | 997a6b01cd97b74684728d5af6511c333f25957d (patch) | |
| tree | 3b64750fd524ade9052ae8b8e6efda01c2e429c8 /Documentation/userspace-api | |
| parent | a210df337c5f5c2cd82f36c9dbb154ec63365c80 (diff) | |
| download | linux-stable-997a6b01cd97b74684728d5af6511c333f25957d.tar.gz linux-stable-997a6b01cd97b74684728d5af6511c333f25957d.tar.bz2 linux-stable-997a6b01cd97b74684728d5af6511c333f25957d.zip | |
media: Documentation: Fix [GS]_ROUTING documentation
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 <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'Documentation/userspace-api')
| -rw-r--r-- | Documentation/userspace-api/media/v4l/vidioc-subdev-g-routing.rst | 7 |
1 files 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 |