Re: [PATCH v2 03/14] media: Documentation: Improve LINK_FREQ documentation

[Jacopo Mondi <jacopo.mondi@ideasonboard.com>]

Hi Sakari

On Wed, Feb 11, 2026 at 11:09:09AM +0200, Sakari Ailus wrote:
> Add a reference to the LINK_FREQ control and precise the meaning of the
> control as for C-PHY the matter is less obvious.
>
> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
> ---
>  Documentation/driver-api/media/tx-rx.rst                      | 3 ++-
>  .../userspace-api/media/v4l/ext-ctrls-image-process.rst       | 4 +++-
>  2 files changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/driver-api/media/tx-rx.rst b/Documentation/driver-api/media/tx-rx.rst
> index 22e1b13ecde9..7df2407817b3 100644
> --- a/Documentation/driver-api/media/tx-rx.rst
> +++ b/Documentation/driver-api/media/tx-rx.rst
> @@ -93,7 +93,8 @@ where
>     * - variable or constant
>       - description
>     * - link_freq
> -     - The value of the ``V4L2_CID_LINK_FREQ`` integer64 menu item.
> +     - The value of the :ref:`V4L2_CID_LINK_FREQ <v4l2-cid-link-freq>` integer64
> +       menu item.
>     * - nr_of_lanes
>       - Number of data lanes used on the CSI-2 link.
>     * - 2
> diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-image-process.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-image-process.rst
> index 6d516f041ca2..ee88933256dd 100644
> --- a/Documentation/userspace-api/media/v4l/ext-ctrls-image-process.rst
> +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-image-process.rst
> @@ -24,7 +24,9 @@ Image Process Control IDs
>  .. _v4l2-cid-link-freq:
>
>  ``V4L2_CID_LINK_FREQ (integer menu)``
> -    The frequency of the data bus (e.g. parallel or CSI-2).
> +    The fundamental frequency of the operating symbol rate (serial interfaces

Or just: "The symbol rate frequency" ?

Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>

> +    such as CSI-2) or the sampling rate (parallel interfaces such as DVP or
> +    Bt.565) of the data interface.
>
>  .. _v4l2-cid-pixel-rate:
>
> --
> 2.47.3
>
>