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/Documentation/admin-guide/media/
Dipu3_rcb.svg6 <path style="stroke:none;" d="M 1 0 L 1 -15 L 9 -15 L 9 0 Z M 8 -1 L 8 -14 L 2 -14 L 2 -1 Z M 8 -1 …
8 <symbol overflow="visible" id="glyph0-1">
9 …C 5.519531 -1.15625 6.15625 -1.316406 6.59375 -1.640625 C 7.039062 -1.960938 7.265625 -2.441406 7.…
12 …C 6.4375 -9.5 7.398438 -9.109375 8.078125 -8.328125 C 8.753906 -7.546875 9.09375 -6.363281 9.09375…
15 …C 2.015625 -9.160156 2.609375 -9.273438 3.203125 -9.359375 C 3.796875 -9.441406 4.351562 -9.484375…
18 …C 7.015625 -2.644531 6.878906 -2.914062 6.609375 -3.125 C 6.335938 -3.34375 6 -3.53125 5.59375 -3.…
21 …C 9.203125 -3.910156 9.097656 -3.25 8.890625 -2.65625 C 8.679688 -2.0625 8.390625 -1.550781 8.0156…
24 …C 3.503906 -9.25 4.878906 -9.484375 6.265625 -9.484375 C 6.691406 -9.484375 7.097656 -9.460938 7.4…
33 …C 3.878906 0.09375 3.644531 0.0859375 3.375 0.078125 C 3.113281 0.0664062 2.847656 0.0507812 2.578…
36 …C 9.203125 -5.054688 9.054688 -4.082031 8.765625 -3.28125 C 8.484375 -2.476562 8.09375 -1.828125 7…
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/Documentation/userspace-api/media/v4l/
Dyuv-formats.rst29 direction are possible, common factors are 1 (no subsampling), 2 and 4, with
36 - `4:1:1`: Horizontal subsampling by 4, no vertical subsampling
37 - `4:1:0`: Horizontal subsampling by 4, vertical subsampling by 4
60 :header-rows: 1
61 :stub-columns: 1
66 - 1
73 - C
77 - C
79 * - 1
81 - C
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Dpixfmt-v4l2-mplane.rst7 The struct :c:type:`v4l2_plane_pix_format` structures define size
9 struct :c:type:`v4l2_pix_format_mplane` structure contains
11 array of struct :c:type:`v4l2_plane_pix_format` structures,
18 .. c:type:: v4l2_plane_pix_format
23 :widths: 1 1 2
44 lines. See struct :c:type:`v4l2_pix_format`.
57 .. c:type:: v4l2_pix_format_mplane
62 :widths: 1 1 2
67 :c:type:`v4l2_pix_format`.
71 :c:type:`v4l2_pix_format`.
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Dfunc-select.rst2 .. c:namespace:: V4L
18 .. code-block:: c
24 .. c:function:: int select( int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct …
30 The highest-numbered file descriptor in any of the three sets, plus 1.
47 With the :c:func:`select()` function applications can suspend
56 On success :c:func:`select()` returns the total number of bits set in
58 a value of zero. On failure it returns -1 and the ``errno`` variable is
61 :ref:`VIDIOC_STREAMON` yet the :c:func:`select()`
66 When use of the :c:func:`read()` function has been negotiated and the
67 driver does not capture yet, the :c:func:`select()` function starts
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Dvidioc-g-frequency.rst2 .. c:namespace:: V4L
18 .. c:macro:: VIDIOC_G_FREQUENCY
22 .. c:macro:: VIDIOC_S_FREQUENCY
30 File descriptor returned by :c:func:`open()`.
33 Pointer to struct :c:type:`v4l2_frequency`.
40 :c:type:`v4l2_frequency` to the respective tuner or
48 ``reserved`` array of a struct :c:type:`v4l2_frequency`
56 .. c:type:: v4l2_frequency
61 :widths: 1 1 2
66 the struct :c:type:`v4l2_input` ``tuner`` field and
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Dvidioc-s-hw-freq-seek.rst2 .. c:namespace:: V4L
18 .. c:macro:: VIDIOC_S_HW_FREQ_SEEK
26 File descriptor returned by :c:func:`open()`.
29 Pointer to struct :c:type:`v4l2_hw_freq_seek`.
38 :c:type:`v4l2_hw_freq_seek` and call the
43 :c:type:`v4l2_tuner` ``capability`` field has the
63 .. c:type:: v4l2_hw_freq_seek
68 :widths: 1 1 2
73 :c:type:`v4l2_input` ``tuner`` field and the struct
74 :c:type:`v4l2_tuner` ``index`` field.
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Dvidioc-g-ext-ctrls.rst2 .. c:namespace:: V4L
18 .. c:macro:: VIDIOC_G_EXT_CTRLS
22 .. c:macro:: VIDIOC_S_EXT_CTRLS
26 .. c:macro:: VIDIOC_TRY_EXT_CTRLS
34 File descriptor returned by :c:func:`open()`.
37 Pointer to struct :c:type:`v4l2_ext_controls`.
49 :c:type:`v4l2_ext_controls`, and initialize the
50 struct :c:type:`v4l2_ext_control` array pointed to
55 :c:type:`v4l2_ext_control` and call the
67 ``maximum``\ +1 as the new ``size`` value. It is guaranteed that that is
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Dvidioc-remove-bufs.rst2 .. c:namespace:: V4L
18 .. c:macro:: VIDIOC_REMOVE_BUFS
26 File descriptor returned by :c:func:`open()`.
29 Pointer to struct :c:type:`v4l2_remove_buffers`.
38 is set on the queue when :c:func:`VIDIOC_REQBUFS` or :c:func:`VIDIOC_CREATE_BUFS`
41 .. c:type:: v4l2_remove_buffers
48 :widths: 1 1 2
55 - The number of buffers to be removed with indices 'index' until 'index + count - 1'.
63 :c:type:`v4l2_format` ``type`` field. See
64 :c:type:`v4l2_buf_type` for valid values.
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Dvidioc-dqevent.rst2 .. c:namespace:: V4L
18 .. c:macro:: VIDIOC_DQEVENT
26 File descriptor returned by :c:func:`open()`.
29 Pointer to struct :c:type:`v4l2_event`.
35 ioctl. All the fields of the struct :c:type:`v4l2_event`
40 .. c:type:: v4l2_event
48 :widths: 1 1 2
55 * - struct :c:type:`v4l2_event_vsync`
58 * - struct :c:type:`v4l2_event_ctrl`
61 * - struct :c:type:`v4l2_event_frame_sync`
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Dext-ctrls-colorimetry.rst28 .. c:type:: v4l2_ctrl_hdr10_cll_info
35 :widths: 1 1 2
53 .. c:type:: v4l2_ctrl_hdr10_mastering_display
60 :widths: 1 1 2
65 primary component c of the mastering display in increments of 0.00002.
67 color primaries, index value c equal to 0 corresponds to the Green
68 primary, c equal to 1 corresponds to Blue primary and c equal to 2
73 primary component c of the mastering display in increments of 0.00002.
75 color primaries, index value c equal to 0 corresponds to the Green
76 primary, c equal to 1 corresponds to Blue primary and c equal to 2
Dvidioc-enum-freq-bands.rst2 .. c:namespace:: V4L
18 .. c:macro:: VIDIOC_ENUM_FREQ_BANDS
26 File descriptor returned by :c:func:`open()`.
29 Pointer to struct :c:type:`v4l2_frequency_band`.
37 :c:type:`v4l2_frequency_band` and call the
45 .. c:type:: v4l2_frequency_band
50 :widths: 1 1 2 1 1
55 the struct :c:type:`v4l2_input` ``tuner`` field and
56 the struct :c:type:`v4l2_tuner` ``index`` field, or
57 the struct :c:type:`v4l2_output` ``modulator`` field
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Ddev-meta.rst25 :c:type:`v4l2_capability` structure returned by the :c:func:`VIDIOC_QUERYCAP`
29 :c:type:`v4l2_capability` structure. That flag means the device can read
40 to the basic :ref:`format` ioctls, the :c:func:`VIDIOC_ENUM_FMT` ioctl must be
44 :c:type:`v4l2_format` structure to ``V4L2_BUF_TYPE_META_CAPTURE`` or to
45 ``V4L2_BUF_TYPE_META_OUTPUT`` and use the :c:type:`v4l2_meta_format` ``meta``
47 and applications must set the remainder of the :c:type:`v4l2_format` structure
51 ``V4L2_FMT_FLAG_META_LINE_BASED`` flag set for :c:func:`VIDIOC_ENUM_FMT`. Such
56 .. c:type:: v4l2_meta_format
63 :widths: 1 1 2
77 :c:type`v4l2_fmtdesc` flag ``V4L2_FMT_FLAG_META_LINE_BASED`` is set,
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/Documentation/devicetree/bindings/usb/
Drealtek,rtd-type-c.yaml5 $id: http://devicetree.org/schemas/usb/realtek,rtd-type-c.yaml#
8 title: Realtek DHC RTD SoCs USB Type-C Connector detection
14 Realtek digital home center (DHC) RTD series SoCs include a type c module.
15 This module is able to detect the state of type c connector.
20 - realtek,rtd1295-type-c
21 - realtek,rtd1312c-type-c
22 - realtek,rtd1315e-type-c
23 - realtek,rtd1319-type-c
24 - realtek,rtd1319d-type-c
25 - realtek,rtd1395-type-c
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Drichtek,rt1719.yaml7 title: Richtek RT1719 sink-only Type-C PD controller
13 The RT1719 is a sink-only USB Type-C controller that complies with the latest
14 USB Type-C and PD standards. It does the USB Type-C detection including attach
17 support for alternative interfaces of the Type-C specification.
25 maxItems: 1
28 maxItems: 1
38 Properties for usb c connector.
52 #address-cells = <1>;
62 compatible = "usb-c-connector";
63 label = "USB-C";
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Drichtek,rt1711h.yaml7 title: Richtek RT1711H Type-C Port Switch and Power Delivery controller
13 The RT1711H is a USB Type-C controller that complies with the latest
14 USB Type-C and PD standards. It does the USB Type-C detection including attach
17 support for alternative interfaces of the Type-C specification.
28 maxItems: 1
31 maxItems: 1
40 Properties for usb c connector.
55 #address-cells = <1>;
65 compatible = "usb-c-connector";
66 label = "USB-C";
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Dwillsemi,wusb3801.yaml7 title: WUSB3801 Type-C port controller
10 The Will Semiconductor WUSB3801 is a USB Type-C port controller which
12 compatible with the USB Type-C Cable and Connector Specification v1.2.
23 maxItems: 1
26 maxItems: 1
33 The managed USB Type-C connector. Since WUSB3801 does not support
38 const: usb-c-connector
56 #address-cells = <1>;
66 compatible = "usb-c-connector";
67 label = "USB-C";
/Documentation/admin-guide/cgroup-v1/
Ddevices.rst5 1. Description
11 'type' is a (all), c (char), or b (block). 'all' means it applies
27 echo 'c 1:3 mr' > /sys/fs/cgroup/1/devices.allow
29 allows cgroup 1 to read and mknod the device usually known as
32 echo a > /sys/fs/cgroup/1/devices.deny
36 echo a > /sys/fs/cgroup/1/devices.allow
74 A allow "b 8:* rwm", "c 116:1 rw"
75 B deny "c 1:3 rwm", "c 116:2 rwm", "b 3:* rwm"
79 # echo "c 116:* r" > A/devices.deny
82 "c 116:2 rwm" will be removed::
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/Documentation/gpu/amdgpu/
Ddriver-misc.rst14 .. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
20 .. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
26 .. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
32 .. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
38 .. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
44 .. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
50 .. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
57 :header-rows: 1
58 :widths: 3, 2, 2, 1, 1, 1, 1
65 :header-rows: 1
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/Documentation/userspace-api/media/mediactl/
Dmedia-ioc-enum-links.rst2 .. c:namespace:: MC
18 .. c:macro:: MEDIA_IOC_ENUM_LINKS
26 File descriptor returned by :c:func:`open()`.
29 Pointer to struct :c:type:`media_links_enum`.
35 entity field of a struct :c:type:`media_links_enum`
37 :c:type:`media_pad_desc` and struct
38 :c:type:`media_link_desc` structure arrays pointed by
55 .. c:type:: media_links_enum
62 :widths: 1 1 2
68 * - struct :c:type:`media_pad_desc`
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/Documentation/driver-api/media/
Dv4l2-device.rst12 :c:func:`v4l2_device_register <v4l2_device_register>`
13 (dev, :c:type:`v4l2_dev <v4l2_device>`).
15 Registration will initialize the :c:type:`v4l2_device` struct. If the
17 :c:type:`v4l2_dev <v4l2_device>` argument.
24 properly initialized and registered :c:type:`media_device` instance.
26 If :c:type:`v4l2_dev <v4l2_device>`\ ->name is empty then it will be set to a
28 If you set it up before calling :c:func:`v4l2_device_register` then it will
30 :c:type:`v4l2_dev <v4l2_device>`\ ->name before calling
31 :c:func:`v4l2_device_register`.
33 You can use :c:func:`v4l2_device_set_name` to set the name based on a driver
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/Documentation/usb/
Dacm.rst5 Copyright (c) 1999 Vojtech Pavlik <vojtech@suse.cz>
32 1. Usage
34 The drivers/usb/class/cdc-acm.c drivers works with USB modems and USB ISDN terminal
74 T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
76 D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
80 C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
81 I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
89 C: #Ifs= 1 Cfg#= 1 Atr=60 MxPwr= 0mA
94 C:* #Ifs= 2 Cfg#= 2 Atr=60 MxPwr= 0mA
95 I: If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=02 Prot=01 Driver=acm
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/Documentation/userspace-api/media/
Dconf_nitpick.py15 # 1) are just typedefs like: bool, __u32, etc;
23 ("c:func", "clock_gettime"),
24 ("c:func", "close"),
25 ("c:func", "container_of"),
26 ("c:func", "copy_from_user"),
27 ("c:func", "copy_to_user"),
28 ("c:func", "determine_valid_ioctls"),
29 ("c:func", "ERR_PTR"),
30 ("c:func", "i2c_new_client_device"),
31 ("c:func", "ioctl"),
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/Documentation/sphinx/
Dcdomain.py7 Replacement for the sphinx c-domain.
9 :copyright: Copyright (C) 2016 Markus Heiser
14 * Moved the *duplicate C object description* warnings for function
18 * Add option 'name' to the "c:function:" directive. With option 'name' the
21 .. c:function:: int ioctl( int fd, int request )
27 * :c:func:`VIDIOC_LOG_STATUS` or
40 from sphinx.domains.c import c_funcptr_sig_re, c_sig_re
41 from sphinx.domains.c import CObject as Base_CObject
42 from sphinx.domains.c import CDomain as Base_CDomain
55 # Handle trivial newer c domain tags that are part of Sphinx 3.1 c domain tags
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/Documentation/hwmon/
Dtmp103.rst23 temperatures to a resolution of 1°C. The TMP103 is specified for
24 operation over a temperature range of -40°C to +125°C.
27 Accuracy: ±1°C Typ (-10°C to +100°C)
/Documentation/networking/
Dsfp-phylink.rst23 1. PHY mode
51 exactly the settings given to it in its :c:func:`mac_config` function.
53 :c:func:`mac_link_up` and :c:func:`mac_link_down` functions.
65 acknowledge the control word. The :c:func:`mac_link_up` and
66 :c:func:`mac_link_down` functions must not force the MAC side link
76 1. Optionally split the network driver's phylib update function into
83 Please see :c:func:`mac_link_up` for more information on this.
114 :header-rows: 1
115 :widths: 1 1
139 .. code-block:: c
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