Commit 997a6b01 authored by Tomi Valkeinen's avatar Tomi Valkeinen Committed by Mauro Carvalho Chehab

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: ea73eda5 ("media: Documentation: Add GS_ROUTING documentation")
Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@kernel.org>
parent a210df33
......@@ -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
......
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