diff options
Diffstat (limited to 'Documentation/driver-api/media/tx-rx.rst')
| -rw-r--r-- | Documentation/driver-api/media/tx-rx.rst | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/Documentation/driver-api/media/tx-rx.rst b/Documentation/driver-api/media/tx-rx.rst index 29d66a47b56e..dd09484df1d3 100644 --- a/Documentation/driver-api/media/tx-rx.rst +++ b/Documentation/driver-api/media/tx-rx.rst @@ -49,11 +49,14 @@ Link frequency The :ref:`V4L2_CID_LINK_FREQ <v4l2-cid-link-freq>` control is used to tell the receiver the frequency of the bus (i.e. it is not the same as the symbol rate). -``.s_stream()`` callback -^^^^^^^^^^^^^^^^^^^^^^^^ +``.enable_streams()`` and ``.disable_streams()`` callbacks +^^^^^^^^^^^^^^^^^^^^^^^^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -The struct struct v4l2_subdev_video_ops->s_stream() callback is used by the -receiver driver to control the transmitter driver's streaming state. +The struct v4l2_subdev_pad_ops->enable_streams() and struct +v4l2_subdev_pad_ops->disable_streams() callbacks are used by the receiver driver +to control the transmitter driver's streaming state. These callbacks may not be +called directly, but by using ``v4l2_subdev_enable_streams()`` and +``v4l2_subdev_disable_streams()``. CSI-2 transmitter drivers @@ -127,7 +130,7 @@ Stopping the transmitter ^^^^^^^^^^^^^^^^^^^^^^^^ A transmitter stops sending the stream of images as a result of -calling the ``.s_stream()`` callback. Some transmitters may stop the +calling the ``.disable_streams()`` callback. Some transmitters may stop the stream at a frame boundary whereas others stop immediately, effectively leaving the current frame unfinished. The receiver driver should not make assumptions either way, but function properly in both |