On 17/05/18 04:00, Niklas Söderlund wrote:
Missing commit log.
> Signed-off-by: Niklas Söderlund <niklas.soderlund+rene...@ragnatech.se>
> ---
> Documentation/media/uapi/v4l/vidioc-g-std.rst | 14 ++++++++++----
> Documentation/media/uapi/v4l/vidioc-querystd.rst | 11 +++++++----
What about ENUMSTD?
Regards,
Hans
> drivers/media/v4l2-core/v4l2-subdev.c | 12 ++++++++++++
> include/uapi/linux/v4l2-subdev.h | 3 +++
> 4 files changed, 32 insertions(+), 8 deletions(-)
>
> ---
>
> Hi Hans,
>
> I have tested this on Renesas Gen3 Salvator-XS M3-N using the AFE
> subdevice from the adv748x driver together with the R-Car VIN and CSI-2
> pipeline.
>
> I wrote a prototype patch for v4l2-ctl which adds three new options
> (--get-subdev-standard, --set-subdev-standard and
> --get-subdev-detected-standard) to ease testing which I plan to submit
> after some cleanup if this patch receives positive feedback.
>
> If you or anyone else is interested in testing this patch the v4l2-utils
> prototype patches are available at
>
> git://git.ragnatech.se/v4l-utils#subdev-std
>
> Regards,
> // Niklas
>
> diff --git a/Documentation/media/uapi/v4l/vidioc-g-std.rst
> b/Documentation/media/uapi/v4l/vidioc-g-std.rst
> index 90791ab51a5371b8..8d94f0404df270db 100644
> --- a/Documentation/media/uapi/v4l/vidioc-g-std.rst
> +++ b/Documentation/media/uapi/v4l/vidioc-g-std.rst
> @@ -2,14 +2,14 @@
>
> .. _VIDIOC_G_STD:
>
> -********************************
> -ioctl VIDIOC_G_STD, VIDIOC_S_STD
> -********************************
> +**************************************************************************
> +ioctl VIDIOC_G_STD, VIDIOC_S_STD, VIDIOC_SUBDEV_G_STD, VIDIOC_SUBDEV_S_STD
> +**************************************************************************
>
> Name
> ====
>
> -VIDIOC_G_STD - VIDIOC_S_STD - Query or select the video standard of the
> current input
> +VIDIOC_G_STD - VIDIOC_S_STD - VIDIOC_SUBDEV_G_STD - VIDIOC_SUBDEV_S_STD -
> Query or select the video standard of the current input
>
>
> Synopsis
> @@ -21,6 +21,12 @@ Synopsis
> .. c:function:: int ioctl( int fd, VIDIOC_S_STD, const v4l2_std_id *argp )
> :name: VIDIOC_S_STD
>
> +.. c:function:: int ioctl( int fd, VIDIOC_SUBDEV_G_STD, v4l2_std_id *argp )
> + :name: VIDIOC_SUBDEV_G_STD
> +
> +.. c:function:: int ioctl( int fd, VIDIOC_SUBDEV_S_STD, const v4l2_std_id
> *argp )
> + :name: VIDIOC_SUBDEV_S_STD
> +
>
> Arguments
> =========
> diff --git a/Documentation/media/uapi/v4l/vidioc-querystd.rst
> b/Documentation/media/uapi/v4l/vidioc-querystd.rst
> index cf40bca19b9f8665..a8385cc7481869dd 100644
> --- a/Documentation/media/uapi/v4l/vidioc-querystd.rst
> +++ b/Documentation/media/uapi/v4l/vidioc-querystd.rst
> @@ -2,14 +2,14 @@
>
> .. _VIDIOC_QUERYSTD:
>
> -*********************
> -ioctl VIDIOC_QUERYSTD
> -*********************
> +*********************************************
> +ioctl VIDIOC_QUERYSTD, VIDIOC_SUBDEV_QUERYSTD
> +*********************************************
>
> Name
> ====
>
> -VIDIOC_QUERYSTD - Sense the video standard received by the current input
> +VIDIOC_QUERYSTD - VIDIOC_SUBDEV_QUERYSTD - Sense the video standard received
> by the current input
>
>
> Synopsis
> @@ -18,6 +18,9 @@ Synopsis
> .. c:function:: int ioctl( int fd, VIDIOC_QUERYSTD, v4l2_std_id *argp )
> :name: VIDIOC_QUERYSTD
>
> +.. c:function:: int ioctl( int fd, VIDIOC_SUBDEV_QUERYSTD, v4l2_std_id *argp
> )
> + :name: VIDIOC_SUBDEV_QUERYSTD
> +
>
> Arguments
> =========
> diff --git a/drivers/media/v4l2-core/v4l2-subdev.c
> b/drivers/media/v4l2-core/v4l2-subdev.c
> index f9eed938d3480b74..a156b1812e923721 100644
> --- a/drivers/media/v4l2-core/v4l2-subdev.c
> +++ b/drivers/media/v4l2-core/v4l2-subdev.c
> @@ -494,6 +494,18 @@ static long subdev_do_ioctl(struct file *file, unsigned
> int cmd, void *arg)
>
> case VIDIOC_SUBDEV_S_DV_TIMINGS:
> return v4l2_subdev_call(sd, video, s_dv_timings, arg);
> +
> + case VIDIOC_SUBDEV_G_STD:
> + return v4l2_subdev_call(sd, video, g_std, arg);
> +
> + case VIDIOC_SUBDEV_S_STD: {
> + v4l2_std_id *std = arg;
> +
> + return v4l2_subdev_call(sd, video, s_std, *std);
> + }
> +
> + case VIDIOC_SUBDEV_QUERYSTD:
> + return v4l2_subdev_call(sd, video, querystd, arg);
> #endif
> default:
> return v4l2_subdev_call(sd, core, ioctl, cmd, arg);
> diff --git a/include/uapi/linux/v4l2-subdev.h
> b/include/uapi/linux/v4l2-subdev.h
> index c95a53e6743cb040..133696a1f324ffdc 100644
> --- a/include/uapi/linux/v4l2-subdev.h
> +++ b/include/uapi/linux/v4l2-subdev.h
> @@ -170,8 +170,11 @@ struct v4l2_subdev_selection {
> #define VIDIOC_SUBDEV_G_SELECTION _IOWR('V', 61, struct
> v4l2_subdev_selection)
> #define VIDIOC_SUBDEV_S_SELECTION _IOWR('V', 62, struct
> v4l2_subdev_selection)
> /* 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)
> #define VIDIOC_SUBDEV_G_EDID _IOWR('V', 40, struct v4l2_edid)
> #define VIDIOC_SUBDEV_S_EDID _IOWR('V', 41, struct v4l2_edid)
> +#define VIDIOC_SUBDEV_QUERYSTD _IOR('V', 63,
> v4l2_std_id)
> #define VIDIOC_SUBDEV_S_DV_TIMINGS _IOWR('V', 87, struct
> v4l2_dv_timings)
> #define VIDIOC_SUBDEV_G_DV_TIMINGS _IOWR('V', 88, struct
> v4l2_dv_timings)
> #define VIDIOC_SUBDEV_ENUM_DV_TIMINGS _IOWR('V', 98, struct
> v4l2_enum_dv_timings)
>
