[v4,1/4] media: v4l2_ctrl: Add V4L2_CTRL_TYPE_RECT

Message ID 20220524044507.1696012-2-yunkec@google.com (mailing list archive)
State Superseded
Headers
Series media: Implement UVC v1.5 ROI |

Commit Message

Yunke Cao May 24, 2022, 4:45 a.m. UTC
  Add p_rect to struct v4l2_ext_control with basic support in
v4l2-ctrls.

Signed-off-by: Yunke Cao <yunkec@google.com>
---
 .../media/v4l/vidioc-g-ext-ctrls.rst          |  4 ++++
 .../media/videodev2.h.rst.exceptions          |  1 +
 drivers/media/v4l2-core/v4l2-ctrls-core.c     | 20 +++++++++++++++++++
 include/media/v4l2-ctrls.h                    |  2 ++
 include/uapi/linux/videodev2.h                |  2 ++
 5 files changed, 29 insertions(+)
  

Comments

Ricardo Ribalda May 24, 2022, 9:31 a.m. UTC | #1
Hi Yunke

Thanks for your patch.

Just a minor comment

On Tue, 24 May 2022 at 06:45, Yunke Cao <yunkec@google.com> wrote:
>
> Add p_rect to struct v4l2_ext_control with basic support in
> v4l2-ctrls.
>
> Signed-off-by: Yunke Cao <yunkec@google.com>
Reviewed-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
>  .../media/v4l/vidioc-g-ext-ctrls.rst          |  4 ++++
>  .../media/videodev2.h.rst.exceptions          |  1 +
>  drivers/media/v4l2-core/v4l2-ctrls-core.c     | 20 +++++++++++++++++++
>  include/media/v4l2-ctrls.h                    |  2 ++
>  include/uapi/linux/videodev2.h                |  2 ++
>  5 files changed, 29 insertions(+)
>
> diff --git a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
> index 29971a45a2d4..f4e205ead0a2 100644
> --- a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
> +++ b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
> @@ -189,6 +189,10 @@ still cause this situation.
>        - ``p_area``
>        - A pointer to a struct :c:type:`v4l2_area`. Valid if this control is
>          of type ``V4L2_CTRL_TYPE_AREA``.
> +    * - struct :c:type:`v4l2_rect` *
> +      - ``p_area``

I guess you mean: p_rect

> +      - A pointer to a struct :c:type:`v4l2_rect`. Valid if this control is
> +        of type ``V4L2_CTRL_TYPE_RECT``.
>      * - struct :c:type:`v4l2_ctrl_h264_sps` *
>        - ``p_h264_sps``
>        - A pointer to a struct :c:type:`v4l2_ctrl_h264_sps`. Valid if this control is
> diff --git a/Documentation/userspace-api/media/videodev2.h.rst.exceptions b/Documentation/userspace-api/media/videodev2.h.rst.exceptions
> index 9cbb7a0c354a..7b423475281d 100644
> --- a/Documentation/userspace-api/media/videodev2.h.rst.exceptions
> +++ b/Documentation/userspace-api/media/videodev2.h.rst.exceptions
> @@ -147,6 +147,7 @@ replace symbol V4L2_CTRL_TYPE_HEVC_SPS :c:type:`v4l2_ctrl_type`
>  replace symbol V4L2_CTRL_TYPE_HEVC_PPS :c:type:`v4l2_ctrl_type`
>  replace symbol V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS :c:type:`v4l2_ctrl_type`
>  replace symbol V4L2_CTRL_TYPE_AREA :c:type:`v4l2_ctrl_type`
> +replace symbol V4L2_CTRL_TYPE_RECT :c:type:`v4l2_ctrl_type`
>  replace symbol V4L2_CTRL_TYPE_FWHT_PARAMS :c:type:`v4l2_ctrl_type`
>  replace symbol V4L2_CTRL_TYPE_VP8_FRAME :c:type:`v4l2_ctrl_type`
>  replace symbol V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR :c:type:`v4l2_ctrl_type`
> diff --git a/drivers/media/v4l2-core/v4l2-ctrls-core.c b/drivers/media/v4l2-core/v4l2-ctrls-core.c
> index 8968cec8454e..384d12a9638b 100644
> --- a/drivers/media/v4l2-core/v4l2-ctrls-core.c
> +++ b/drivers/media/v4l2-core/v4l2-ctrls-core.c
> @@ -84,6 +84,11 @@ static bool std_equal(const struct v4l2_ctrl *ctrl, u32 idx,
>                 return ptr1.p_u16[idx] == ptr2.p_u16[idx];
>         case V4L2_CTRL_TYPE_U32:
>                 return ptr1.p_u32[idx] == ptr2.p_u32[idx];
> +       case V4L2_CTRL_TYPE_RECT:
> +               return ptr1.p_rect->top == ptr2.p_rect->top &&
> +                      ptr1.p_rect->left == ptr2.p_rect->left &&
> +                      ptr1.p_rect->height == ptr2.p_rect->height &&
> +                      ptr1.p_rect->width == ptr2.p_rect->width;
>         default:
>                 if (ctrl->is_int)
>                         return ptr1.p_s32[idx] == ptr2.p_s32[idx];
> @@ -307,6 +312,11 @@ static void std_log(const struct v4l2_ctrl *ctrl)
>         case V4L2_CTRL_TYPE_VP9_FRAME:
>                 pr_cont("VP9_FRAME");
>                 break;
> +       case V4L2_CTRL_TYPE_RECT:
> +               pr_cont("%ux%u@%dx%d",
> +                       ptr.p_rect->width, ptr.p_rect->height,
> +                       ptr.p_rect->left, ptr.p_rect->top);
> +               break;
>         default:
>                 pr_cont("unknown type %d", ctrl->type);
>                 break;
> @@ -525,6 +535,7 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx,
>         struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering;
>         struct v4l2_ctrl_hevc_decode_params *p_hevc_decode_params;
>         struct v4l2_area *area;
> +       struct v4l2_rect *rect;
>         void *p = ptr.p + idx * ctrl->elem_size;
>         unsigned int i;
>
> @@ -888,6 +899,12 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx,
>                         return -EINVAL;
>                 break;
>
> +       case V4L2_CTRL_TYPE_RECT:
> +               rect = p;
> +               if (!rect->width || !rect->height)
> +                       return -EINVAL;
> +               break;
> +
>         default:
>                 return -EINVAL;
>         }
> @@ -1456,6 +1473,9 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl,
>         case V4L2_CTRL_TYPE_AREA:
>                 elem_size = sizeof(struct v4l2_area);
>                 break;
> +       case V4L2_CTRL_TYPE_RECT:
> +               elem_size = sizeof(struct v4l2_rect);
> +               break;
>         default:
>                 if (type < V4L2_CTRL_COMPOUND_TYPES)
>                         elem_size = sizeof(s32);
> diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
> index b3ce438f1329..919e104de50b 100644
> --- a/include/media/v4l2-ctrls.h
> +++ b/include/media/v4l2-ctrls.h
> @@ -58,6 +58,7 @@ struct video_device;
>   * @p_hdr10_cll:               Pointer to an HDR10 Content Light Level structure.
>   * @p_hdr10_mastering:         Pointer to an HDR10 Mastering Display structure.
>   * @p_area:                    Pointer to an area.
> + * @p_rect:                    Pointer to a rectangle.
>   * @p:                         Pointer to a compound value.
>   * @p_const:                   Pointer to a constant compound value.
>   */
> @@ -87,6 +88,7 @@ union v4l2_ctrl_ptr {
>         struct v4l2_ctrl_hdr10_cll_info *p_hdr10_cll;
>         struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering;
>         struct v4l2_area *p_area;
> +       struct v4l2_rect *p_rect;
>         void *p;
>         const void *p_const;
>  };
> diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
> index 3768a0a80830..b712412cf763 100644
> --- a/include/uapi/linux/videodev2.h
> +++ b/include/uapi/linux/videodev2.h
> @@ -1751,6 +1751,7 @@ struct v4l2_ext_control {
>                 __u16 __user *p_u16;
>                 __u32 __user *p_u32;
>                 struct v4l2_area __user *p_area;
> +               struct v4l2_rect __user *p_rect;
>                 struct v4l2_ctrl_h264_sps __user *p_h264_sps;
>                 struct v4l2_ctrl_h264_pps *p_h264_pps;
>                 struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix;
> @@ -1810,6 +1811,7 @@ enum v4l2_ctrl_type {
>         V4L2_CTRL_TYPE_U16           = 0x0101,
>         V4L2_CTRL_TYPE_U32           = 0x0102,
>         V4L2_CTRL_TYPE_AREA          = 0x0106,
> +       V4L2_CTRL_TYPE_RECT          = 0x0107,
>
>         V4L2_CTRL_TYPE_HDR10_CLL_INFO           = 0x0110,
>         V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY  = 0x0111,
> --
> 2.36.1.124.g0e6072fb45-goog
>
  
Yunke Cao May 26, 2022, 1:48 a.m. UTC | #2
Hi Ricardo,

Yes, thanks for catching that!

Best,
Yunke

On Tue, May 24, 2022 at 6:31 PM Ricardo Ribalda <ribalda@chromium.org> wrote:
>
> Hi Yunke
>
> Thanks for your patch.
>
> Just a minor comment
>
> On Tue, 24 May 2022 at 06:45, Yunke Cao <yunkec@google.com> wrote:
> >
> > Add p_rect to struct v4l2_ext_control with basic support in
> > v4l2-ctrls.
> >
> > Signed-off-by: Yunke Cao <yunkec@google.com>
> Reviewed-by: Ricardo Ribalda <ribalda@chromium.org>
> > ---
> >  .../media/v4l/vidioc-g-ext-ctrls.rst          |  4 ++++
> >  .../media/videodev2.h.rst.exceptions          |  1 +
> >  drivers/media/v4l2-core/v4l2-ctrls-core.c     | 20 +++++++++++++++++++
> >  include/media/v4l2-ctrls.h                    |  2 ++
> >  include/uapi/linux/videodev2.h                |  2 ++
> >  5 files changed, 29 insertions(+)
> >
> > diff --git a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
> > index 29971a45a2d4..f4e205ead0a2 100644
> > --- a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
> > +++ b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
> > @@ -189,6 +189,10 @@ still cause this situation.
> >        - ``p_area``
> >        - A pointer to a struct :c:type:`v4l2_area`. Valid if this control is
> >          of type ``V4L2_CTRL_TYPE_AREA``.
> > +    * - struct :c:type:`v4l2_rect` *
> > +      - ``p_area``
>
> I guess you mean: p_rect
>
> > +      - A pointer to a struct :c:type:`v4l2_rect`. Valid if this control is
> > +        of type ``V4L2_CTRL_TYPE_RECT``.
> >      * - struct :c:type:`v4l2_ctrl_h264_sps` *
> >        - ``p_h264_sps``
> >        - A pointer to a struct :c:type:`v4l2_ctrl_h264_sps`. Valid if this control is
> > diff --git a/Documentation/userspace-api/media/videodev2.h.rst.exceptions b/Documentation/userspace-api/media/videodev2.h.rst.exceptions
> > index 9cbb7a0c354a..7b423475281d 100644
> > --- a/Documentation/userspace-api/media/videodev2.h.rst.exceptions
> > +++ b/Documentation/userspace-api/media/videodev2.h.rst.exceptions
> > @@ -147,6 +147,7 @@ replace symbol V4L2_CTRL_TYPE_HEVC_SPS :c:type:`v4l2_ctrl_type`
> >  replace symbol V4L2_CTRL_TYPE_HEVC_PPS :c:type:`v4l2_ctrl_type`
> >  replace symbol V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS :c:type:`v4l2_ctrl_type`
> >  replace symbol V4L2_CTRL_TYPE_AREA :c:type:`v4l2_ctrl_type`
> > +replace symbol V4L2_CTRL_TYPE_RECT :c:type:`v4l2_ctrl_type`
> >  replace symbol V4L2_CTRL_TYPE_FWHT_PARAMS :c:type:`v4l2_ctrl_type`
> >  replace symbol V4L2_CTRL_TYPE_VP8_FRAME :c:type:`v4l2_ctrl_type`
> >  replace symbol V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR :c:type:`v4l2_ctrl_type`
> > diff --git a/drivers/media/v4l2-core/v4l2-ctrls-core.c b/drivers/media/v4l2-core/v4l2-ctrls-core.c
> > index 8968cec8454e..384d12a9638b 100644
> > --- a/drivers/media/v4l2-core/v4l2-ctrls-core.c
> > +++ b/drivers/media/v4l2-core/v4l2-ctrls-core.c
> > @@ -84,6 +84,11 @@ static bool std_equal(const struct v4l2_ctrl *ctrl, u32 idx,
> >                 return ptr1.p_u16[idx] == ptr2.p_u16[idx];
> >         case V4L2_CTRL_TYPE_U32:
> >                 return ptr1.p_u32[idx] == ptr2.p_u32[idx];
> > +       case V4L2_CTRL_TYPE_RECT:
> > +               return ptr1.p_rect->top == ptr2.p_rect->top &&
> > +                      ptr1.p_rect->left == ptr2.p_rect->left &&
> > +                      ptr1.p_rect->height == ptr2.p_rect->height &&
> > +                      ptr1.p_rect->width == ptr2.p_rect->width;
> >         default:
> >                 if (ctrl->is_int)
> >                         return ptr1.p_s32[idx] == ptr2.p_s32[idx];
> > @@ -307,6 +312,11 @@ static void std_log(const struct v4l2_ctrl *ctrl)
> >         case V4L2_CTRL_TYPE_VP9_FRAME:
> >                 pr_cont("VP9_FRAME");
> >                 break;
> > +       case V4L2_CTRL_TYPE_RECT:
> > +               pr_cont("%ux%u@%dx%d",
> > +                       ptr.p_rect->width, ptr.p_rect->height,
> > +                       ptr.p_rect->left, ptr.p_rect->top);
> > +               break;
> >         default:
> >                 pr_cont("unknown type %d", ctrl->type);
> >                 break;
> > @@ -525,6 +535,7 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx,
> >         struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering;
> >         struct v4l2_ctrl_hevc_decode_params *p_hevc_decode_params;
> >         struct v4l2_area *area;
> > +       struct v4l2_rect *rect;
> >         void *p = ptr.p + idx * ctrl->elem_size;
> >         unsigned int i;
> >
> > @@ -888,6 +899,12 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx,
> >                         return -EINVAL;
> >                 break;
> >
> > +       case V4L2_CTRL_TYPE_RECT:
> > +               rect = p;
> > +               if (!rect->width || !rect->height)
> > +                       return -EINVAL;
> > +               break;
> > +
> >         default:
> >                 return -EINVAL;
> >         }
> > @@ -1456,6 +1473,9 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl,
> >         case V4L2_CTRL_TYPE_AREA:
> >                 elem_size = sizeof(struct v4l2_area);
> >                 break;
> > +       case V4L2_CTRL_TYPE_RECT:
> > +               elem_size = sizeof(struct v4l2_rect);
> > +               break;
> >         default:
> >                 if (type < V4L2_CTRL_COMPOUND_TYPES)
> >                         elem_size = sizeof(s32);
> > diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
> > index b3ce438f1329..919e104de50b 100644
> > --- a/include/media/v4l2-ctrls.h
> > +++ b/include/media/v4l2-ctrls.h
> > @@ -58,6 +58,7 @@ struct video_device;
> >   * @p_hdr10_cll:               Pointer to an HDR10 Content Light Level structure.
> >   * @p_hdr10_mastering:         Pointer to an HDR10 Mastering Display structure.
> >   * @p_area:                    Pointer to an area.
> > + * @p_rect:                    Pointer to a rectangle.
> >   * @p:                         Pointer to a compound value.
> >   * @p_const:                   Pointer to a constant compound value.
> >   */
> > @@ -87,6 +88,7 @@ union v4l2_ctrl_ptr {
> >         struct v4l2_ctrl_hdr10_cll_info *p_hdr10_cll;
> >         struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering;
> >         struct v4l2_area *p_area;
> > +       struct v4l2_rect *p_rect;
> >         void *p;
> >         const void *p_const;
> >  };
> > diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
> > index 3768a0a80830..b712412cf763 100644
> > --- a/include/uapi/linux/videodev2.h
> > +++ b/include/uapi/linux/videodev2.h
> > @@ -1751,6 +1751,7 @@ struct v4l2_ext_control {
> >                 __u16 __user *p_u16;
> >                 __u32 __user *p_u32;
> >                 struct v4l2_area __user *p_area;
> > +               struct v4l2_rect __user *p_rect;
> >                 struct v4l2_ctrl_h264_sps __user *p_h264_sps;
> >                 struct v4l2_ctrl_h264_pps *p_h264_pps;
> >                 struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix;
> > @@ -1810,6 +1811,7 @@ enum v4l2_ctrl_type {
> >         V4L2_CTRL_TYPE_U16           = 0x0101,
> >         V4L2_CTRL_TYPE_U32           = 0x0102,
> >         V4L2_CTRL_TYPE_AREA          = 0x0106,
> > +       V4L2_CTRL_TYPE_RECT          = 0x0107,
> >
> >         V4L2_CTRL_TYPE_HDR10_CLL_INFO           = 0x0110,
> >         V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY  = 0x0111,
> > --
> > 2.36.1.124.g0e6072fb45-goog
> >
>
>
> --
> Ricardo Ribalda
  

Patch

diff --git a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
index 29971a45a2d4..f4e205ead0a2 100644
--- a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
+++ b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
@@ -189,6 +189,10 @@  still cause this situation.
       - ``p_area``
       - A pointer to a struct :c:type:`v4l2_area`. Valid if this control is
         of type ``V4L2_CTRL_TYPE_AREA``.
+    * - struct :c:type:`v4l2_rect` *
+      - ``p_area``
+      - A pointer to a struct :c:type:`v4l2_rect`. Valid if this control is
+        of type ``V4L2_CTRL_TYPE_RECT``.
     * - struct :c:type:`v4l2_ctrl_h264_sps` *
       - ``p_h264_sps``
       - A pointer to a struct :c:type:`v4l2_ctrl_h264_sps`. Valid if this control is
diff --git a/Documentation/userspace-api/media/videodev2.h.rst.exceptions b/Documentation/userspace-api/media/videodev2.h.rst.exceptions
index 9cbb7a0c354a..7b423475281d 100644
--- a/Documentation/userspace-api/media/videodev2.h.rst.exceptions
+++ b/Documentation/userspace-api/media/videodev2.h.rst.exceptions
@@ -147,6 +147,7 @@  replace symbol V4L2_CTRL_TYPE_HEVC_SPS :c:type:`v4l2_ctrl_type`
 replace symbol V4L2_CTRL_TYPE_HEVC_PPS :c:type:`v4l2_ctrl_type`
 replace symbol V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS :c:type:`v4l2_ctrl_type`
 replace symbol V4L2_CTRL_TYPE_AREA :c:type:`v4l2_ctrl_type`
+replace symbol V4L2_CTRL_TYPE_RECT :c:type:`v4l2_ctrl_type`
 replace symbol V4L2_CTRL_TYPE_FWHT_PARAMS :c:type:`v4l2_ctrl_type`
 replace symbol V4L2_CTRL_TYPE_VP8_FRAME :c:type:`v4l2_ctrl_type`
 replace symbol V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR :c:type:`v4l2_ctrl_type`
diff --git a/drivers/media/v4l2-core/v4l2-ctrls-core.c b/drivers/media/v4l2-core/v4l2-ctrls-core.c
index 8968cec8454e..384d12a9638b 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls-core.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls-core.c
@@ -84,6 +84,11 @@  static bool std_equal(const struct v4l2_ctrl *ctrl, u32 idx,
 		return ptr1.p_u16[idx] == ptr2.p_u16[idx];
 	case V4L2_CTRL_TYPE_U32:
 		return ptr1.p_u32[idx] == ptr2.p_u32[idx];
+	case V4L2_CTRL_TYPE_RECT:
+		return ptr1.p_rect->top == ptr2.p_rect->top &&
+		       ptr1.p_rect->left == ptr2.p_rect->left &&
+		       ptr1.p_rect->height == ptr2.p_rect->height &&
+		       ptr1.p_rect->width == ptr2.p_rect->width;
 	default:
 		if (ctrl->is_int)
 			return ptr1.p_s32[idx] == ptr2.p_s32[idx];
@@ -307,6 +312,11 @@  static void std_log(const struct v4l2_ctrl *ctrl)
 	case V4L2_CTRL_TYPE_VP9_FRAME:
 		pr_cont("VP9_FRAME");
 		break;
+	case V4L2_CTRL_TYPE_RECT:
+		pr_cont("%ux%u@%dx%d",
+			ptr.p_rect->width, ptr.p_rect->height,
+			ptr.p_rect->left, ptr.p_rect->top);
+		break;
 	default:
 		pr_cont("unknown type %d", ctrl->type);
 		break;
@@ -525,6 +535,7 @@  static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx,
 	struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering;
 	struct v4l2_ctrl_hevc_decode_params *p_hevc_decode_params;
 	struct v4l2_area *area;
+	struct v4l2_rect *rect;
 	void *p = ptr.p + idx * ctrl->elem_size;
 	unsigned int i;
 
@@ -888,6 +899,12 @@  static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx,
 			return -EINVAL;
 		break;
 
+	case V4L2_CTRL_TYPE_RECT:
+		rect = p;
+		if (!rect->width || !rect->height)
+			return -EINVAL;
+		break;
+
 	default:
 		return -EINVAL;
 	}
@@ -1456,6 +1473,9 @@  static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl,
 	case V4L2_CTRL_TYPE_AREA:
 		elem_size = sizeof(struct v4l2_area);
 		break;
+	case V4L2_CTRL_TYPE_RECT:
+		elem_size = sizeof(struct v4l2_rect);
+		break;
 	default:
 		if (type < V4L2_CTRL_COMPOUND_TYPES)
 			elem_size = sizeof(s32);
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index b3ce438f1329..919e104de50b 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -58,6 +58,7 @@  struct video_device;
  * @p_hdr10_cll:		Pointer to an HDR10 Content Light Level structure.
  * @p_hdr10_mastering:		Pointer to an HDR10 Mastering Display structure.
  * @p_area:			Pointer to an area.
+ * @p_rect:			Pointer to a rectangle.
  * @p:				Pointer to a compound value.
  * @p_const:			Pointer to a constant compound value.
  */
@@ -87,6 +88,7 @@  union v4l2_ctrl_ptr {
 	struct v4l2_ctrl_hdr10_cll_info *p_hdr10_cll;
 	struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering;
 	struct v4l2_area *p_area;
+	struct v4l2_rect *p_rect;
 	void *p;
 	const void *p_const;
 };
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 3768a0a80830..b712412cf763 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -1751,6 +1751,7 @@  struct v4l2_ext_control {
 		__u16 __user *p_u16;
 		__u32 __user *p_u32;
 		struct v4l2_area __user *p_area;
+		struct v4l2_rect __user *p_rect;
 		struct v4l2_ctrl_h264_sps __user *p_h264_sps;
 		struct v4l2_ctrl_h264_pps *p_h264_pps;
 		struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix;
@@ -1810,6 +1811,7 @@  enum v4l2_ctrl_type {
 	V4L2_CTRL_TYPE_U16	     = 0x0101,
 	V4L2_CTRL_TYPE_U32	     = 0x0102,
 	V4L2_CTRL_TYPE_AREA          = 0x0106,
+	V4L2_CTRL_TYPE_RECT	     = 0x0107,
 
 	V4L2_CTRL_TYPE_HDR10_CLL_INFO		= 0x0110,
 	V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY	= 0x0111,