Searched refs:VIDIOC_QUERYCTRL (Results 1 – 25 of 27) sorted by relevance
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| /linux-6.6.21/Documentation/userspace-api/media/v4l/ |
| D | extended-controls.rst | 81 themselves than is possible with :ref:`VIDIOC_QUERYCTRL <VIDIOC_QUERYCTRL>`
82 the :ref:`VIDIOC_QUERY_EXT_CTRL <VIDIOC_QUERYCTRL>` ioctl was added. In
91 :ref:`VIDIOC_QUERYCTRL` to check this.
106 :ref:`VIDIOC_QUERYCTRL` in combination with the
115 while (0 == ioctl (fd, VIDIOC_QUERYCTRL, &qctrl)) {
121 ``V4L2_CTRL_FLAG_NEXT_CTRL`` flag. The ``VIDIOC_QUERYCTRL`` ioctl will
134 while (0 == ioctl(fd, VIDIOC_QUERYCTRL, &qctrl)) {
152 ``VIDIOC_QUERYCTRL`` will fail when used in combination with
166 ``V4L2_CTRL_TYPE_CTRL_CLASS``. ``VIDIOC_QUERYCTRL`` will return the name
172 :ref:`VIDIOC_QUERYCTRL` documentation for more
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| D | control.rst | 322 :ref:`VIDIOC_QUERYCTRL` and
323 :ref:`VIDIOC_QUERYMENU <VIDIOC_QUERYCTRL>` ioctls, get and set a
326 ``VIDIOC_QUERYCTRL``, ``VIDIOC_G_CTRL`` and ``VIDIOC_S_CTRL`` when the
360 while (0 == ioctl(fd, VIDIOC_QUERYCTRL, &queryctrl)) {
371 perror("VIDIOC_QUERYCTRL");
411 if (0 == ioctl(fd, VIDIOC_QUERYCTRL, &queryctrl)) {
423 perror("VIDIOC_QUERYCTRL");
430 if (0 == ioctl(fd, VIDIOC_QUERYCTRL, &queryctrl)) {
442 perror("VIDIOC_QUERYCTRL");
459 if (-1 == ioctl(fd, VIDIOC_QUERYCTRL, &queryctrl)) {
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| D | vidioc-queryctrl.rst | 7 ioctls VIDIOC_QUERYCTRL, VIDIOC_QUERY_EXT_CTRL and VIDIOC_QUERYMENU
13 VIDIOC_QUERYCTRL - VIDIOC_QUERY_EXT_CTRL - VIDIOC_QUERYMENU - Enumerate controls and menu control i…
18 ``int ioctl(int fd, int VIDIOC_QUERYCTRL, struct v4l2_queryctrl *argp)``
43 ``VIDIOC_QUERYCTRL`` ioctl with a pointer to this structure. The driver
47 It is possible to enumerate controls by calling ``VIDIOC_QUERYCTRL``
75 ``VIDIOC_QUERYCTRL``, except that the ``reserved`` array must be zeroed
374 cannot be queried using ``VIDIOC_QUERYCTRL``. Only
377 ``VIDIOC_QUERYCTRL``.
397 - This is not a control. When ``VIDIOC_QUERYCTRL`` is called with a
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| D | ext-ctrls-detect.rst | 20 :ref:`VIDIOC_QUERYCTRL` for this control will
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| D | ext-ctrls-colorimetry.rst | 21 :ref:`VIDIOC_QUERYCTRL` for this control will
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| D | ext-ctrls-jpeg.rst | 22 :ref:`VIDIOC_QUERYCTRL` for this control will
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| D | vidioc-g-ctrl.rst | 85 to :ref:`VIDIOC_QUERYMENU <VIDIOC_QUERYCTRL>`).
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| D | diff-v4l.rst | 271 :ref:`VIDIOC_QUERYCTRL`,
296 :ref:`VIDIOC_QUERYCTRL` ioctl. For general
376 :ref:`VIDIOC_QUERYCTRL`,
399 :ref:`VIDIOC_QUERYCTRL` ioctl reports if the
408 the :ref:`VIDIOC_QUERYCTRL` ioctl. For general
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| D | ext-ctrls-fm-rx.rst | 20 :ref:`VIDIOC_QUERYCTRL` for this control will
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| D | ext-ctrls-rf-tuner.rst | 35 :ref:`VIDIOC_QUERYCTRL` for this control will
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| D | ext-ctrls-fm-tx.rst | 22 :ref:`VIDIOC_QUERYCTRL` for this control will
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| D | vidioc-g-ext-ctrls.rst | 66 :ref:`VIDIOC_QUERYCTRL` first and use
73 by calling :ref:`VIDIOC_QUERY_EXT_CTRL <VIDIOC_QUERYCTRL>`.
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| D | hist-v4l2.rst | 87 the VIDIOC_QUERYCTRL handlers in the sample drivers.
823 :ref:`VIDIOC_QUERYCTRL`, new control types
1154 :ref:`VIDIOC_QUERY_EXT_CTRL <VIDIOC_QUERYCTRL>`.
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| D | dev-stateless-decoder.rst | 67 :c:func:`VIDIOC_QUERYCTRL`.
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| D | ext-ctrls-camera.rst | 20 :ref:`VIDIOC_QUERYCTRL` for this control will
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| D | dev-encoder.rst | 138 via :c:func:`VIDIOC_QUERYCTRL`.
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| D | buffer.rst | 59 :c:func:`VIDIOC_QUERYCTRL` or :c:func:`VIDIOC_QUERY_EXT_CTRL` for such a
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| D | dev-decoder.rst | 252 via :c:func:`VIDIOC_QUERYCTRL`.
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| /linux-6.6.21/Documentation/translations/zh_CN/video4linux/ |
| D | v4l2-framework.txt | 399 VIDIOC_QUERYCTRL
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| /linux-6.6.21/drivers/media/v4l2-core/ |
| D | v4l2-dev.c | 574 __set_bit(_IOC_NR(VIDIOC_QUERYCTRL), valid_ioctls); in determine_valid_ioctls()
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| D | v4l2-subdev.c | 525 case VIDIOC_QUERYCTRL: in subdev_do_ioctl()
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| /linux-6.6.21/include/uapi/linux/ |
| D | videodev2.h | 2649 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) macro
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| /linux-6.6.21/Documentation/driver-api/media/ |
| D | v4l2-controls.rst | 437 present. Note that VIDIOC_QUERYCTRL always returns a step value of 1 for
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| D | v4l2-subdev.rst | 368 ``VIDIOC_QUERYCTRL``,
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| /linux-6.6.21/drivers/video/fbdev/matrox/ |
| D | matroxfb_base.c | 1103 case VIDIOC_QUERYCTRL: in matroxfb_ioctl()
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