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1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_SUBDEV_ENUM_FRAME_SIZE - Enumerate media bus frame sizes
35 a sub-device on the given pad for the given media bus format. Supported
47 Sub-devices that only support discrete frame sizes (such as most
52 supported. For instance, a scaler that uses a fixed-point scaling ratio
56 sub-device for an exact supported frame size.
59 pads of the sub-device, as well as on the current active links and the
68 .. flat-table:: struct v4l2_subdev_frame_size_enum
69     :header-rows:  0
70     :stub-columns: 0
73     * - __u32
74       - ``index``
75       - Number of the format in the enumeration, set by the application.
76     * - __u32
77       - ``pad``
78       - Pad number as reported by the media controller API.
79     * - __u32
80       - ``code``
81       - The media bus format code, as defined in
82 	:ref:`v4l2-mbus-format`.
83     * - __u32
84       - ``min_width``
85       - Minimum frame width, in pixels.
86     * - __u32
87       - ``max_width``
88       - Maximum frame width, in pixels.
89     * - __u32
90       - ``min_height``
91       - Minimum frame height, in pixels.
92     * - __u32
93       - ``max_height``
94       - Maximum frame height, in pixels.
95     * - __u32
96       - ``which``
97       - Frame sizes to be enumerated, from enum
98 	:ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
99     * - __u32
100       - ``reserved``\ [8]
101       - Reserved for future extensions. Applications and drivers must set
107 On success 0 is returned, on error -1 and the ``errno`` variable is set
109 :ref:`Generic Error Codes <gen-errors>` chapter.
114     ``pad`` references a non-existing pad, the ``code`` is invalid for