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[v8,5/9] media: Documentation: Receiver drivers should call v4l2_get_link_freq()

Message ID 20241217215445.901459-6-sakari.ailus@linux.intel.com
State New
Headers show
Series [v8,1/9] media: v4l: Support passing media pad argument to v4l2_get_link_freq() | expand

Commit Message

Sakari Ailus Dec. 17, 2024, 9:54 p.m. UTC
Document that receiver drivers should call v4l2_get_link_freq() to obtain
the link frequency.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
 Documentation/driver-api/media/tx-rx.rst | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/Documentation/driver-api/media/tx-rx.rst b/Documentation/driver-api/media/tx-rx.rst
index 03768e5aa88f..0b8c9cde8ee4 100644
--- a/Documentation/driver-api/media/tx-rx.rst
+++ b/Documentation/driver-api/media/tx-rx.rst
@@ -53,6 +53,9 @@  Drivers that do not have user-configurable link frequency should report it
 through the ``.get_mbus_config()`` subdev pad operation, in the ``link_freq``
 field of struct v4l2_mbus_config, instead of through controls.
 
+Receiver drivers should use :c:func:`v4l2_get_link_freq` helper to obtain the
+link frequency from the transmitter sub-device.
+
 ``.enable_streams()`` and ``.disable_streams()`` callbacks
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^