Lines Matching +full:sub +full:- +full:device

1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_SUBDEV_QUERYCAP - Query sub-device capabilities
34 All V4L2 sub-devices support the ``VIDIOC_SUBDEV_QUERYCAP`` ioctl. It is used to
45 .. flat-table:: struct v4l2_subdev_capability
46     :header-rows:  0
47     :stub-columns: 0
50     * - __u32
51       - ``version``
52       - Version number of the driver.
57 	distribution-modified kernel uses the V4L2 stack from a newer kernel.
61     * - :cspan:`2`
70     * - __u32
71       - ``capabilities``
72       - Sub-device capabilities of the opened device, see
73 	:ref:`subdevice-capabilities`.
74     * - __u32
75       - ``reserved``\ [14]
76       - Reserved for future extensions. Set to 0 by the V4L2 core.
80 .. _subdevice-capabilities:
84 .. flat-table:: Sub-Device Capabilities Flags
85     :header-rows:  0
86     :stub-columns: 0
89     * - V4L2_SUBDEV_CAP_RO_SUBDEV
90       - 0x00000001
91       - The sub-device device node is registered in read-only mode.
92 	Access to the sub-device ioctls that modify the device state is
94 	for a description of which restrictions apply to a read-only sub-device.
99 On success 0 is returned, on error -1 and the ``errno`` variable is set
101 :ref:`Generic Error Codes <gen-errors>` chapter.
104     The device node is not a V4L2 sub-device.