Message ID | 20250120110157.152732-4-sakari.ailus@linux.intel.com (mailing list archive) |
---|---|
State | New |
Headers | show |
Series | Use V4L2 mbus config for conveying link frequency | expand |
On 20/01/2025 13:01, Sakari Ailus wrote: > Add the get_mbus_config() as the means for conveying the link frequency > towards the receiver drivers. > > Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> > --- > Documentation/driver-api/media/tx-rx.rst | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/driver-api/media/tx-rx.rst b/Documentation/driver-api/media/tx-rx.rst > index c71003f74b1c..6f9eba189a9f 100644 > --- a/Documentation/driver-api/media/tx-rx.rst > +++ b/Documentation/driver-api/media/tx-rx.rst > @@ -49,6 +49,10 @@ 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). > > +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. > + > ``.enable_streams()`` and ``.disable_streams()`` callbacks > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Tomi
diff --git a/Documentation/driver-api/media/tx-rx.rst b/Documentation/driver-api/media/tx-rx.rst index c71003f74b1c..6f9eba189a9f 100644 --- a/Documentation/driver-api/media/tx-rx.rst +++ b/Documentation/driver-api/media/tx-rx.rst @@ -49,6 +49,10 @@ 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). +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. + ``.enable_streams()`` and ``.disable_streams()`` callbacks ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Add the get_mbus_config() as the means for conveying the link frequency towards the receiver drivers. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> --- Documentation/driver-api/media/tx-rx.rst | 4 ++++ 1 file changed, 4 insertions(+)