Hi Tomi,
Thank you for the patch.
On Fri, Apr 21, 2023 at 03:44:25PM +0300, Tomi Valkeinen wrote:
> Add client capabilities related hanges to include/linux/v4l2-subdev.h.
> This should be dropped when the v4l-utils kernel headers are updated to
> the version which contains client capabilities.
>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>
The subdev client capabilities patch is now in the media tree, maybe you
can sync the headers already ? The media tree master branch should get
merged in v6.4-rc1 within two weeks.
> ---
> include/linux/v4l2-subdev.h | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/include/linux/v4l2-subdev.h b/include/linux/v4l2-subdev.h
> index 654d659d..4a195b68 100644
> --- a/include/linux/v4l2-subdev.h
> +++ b/include/linux/v4l2-subdev.h
> @@ -233,6 +233,24 @@ struct v4l2_subdev_routing {
> __u32 reserved[6];
> };
>
> +/*
> + * The client is aware of streams. Setting this flag enables the use of 'stream'
> + * fields (referring to the stream number) with various ioctls. If this is not
> + * set (which is the default), the 'stream' fields will be forced to 0 by the
> + * kernel.
> + */
> + #define V4L2_SUBDEV_CLIENT_CAP_STREAMS (1U << 0)
> +
> +/**
> + * struct v4l2_subdev_client_capability - Capabilities of the client accessing
> + * the subdev
> + *
> + * @capabilities: A bitmask of V4L2_SUBDEV_CLIENT_CAP_* flags.
> + */
> +struct v4l2_subdev_client_capability {
> + __u64 capabilities;
> +};
> +
> /* Backwards compatibility define --- to be removed */
> #define v4l2_subdev_edid v4l2_edid
>
> @@ -250,6 +268,9 @@ struct v4l2_subdev_routing {
> #define VIDIOC_SUBDEV_S_SELECTION _IOWR('V', 62, struct v4l2_subdev_selection)
> #define VIDIOC_SUBDEV_G_ROUTING _IOWR('V', 38, struct v4l2_subdev_routing)
> #define VIDIOC_SUBDEV_S_ROUTING _IOWR('V', 39, struct v4l2_subdev_routing)
> +#define VIDIOC_SUBDEV_G_CLIENT_CAP _IOR('V', 101, struct v4l2_subdev_client_capability)
> +#define VIDIOC_SUBDEV_S_CLIENT_CAP _IOWR('V', 102, struct v4l2_subdev_client_capability)
> +
> /* The following ioctls are identical to the ioctls in videodev2.h */
> #define VIDIOC_SUBDEV_G_STD _IOR('V', 23, v4l2_std_id)
> #define VIDIOC_SUBDEV_S_STD _IOW('V', 24, v4l2_std_id)
--
Regards,
Laurent Pinchart
