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/Documentation/devicetree/bindings/leds/backlight/
Dqcom-wled.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/qcom-wled.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Bjorn Andersson <bjorn.andersson@linaro.org>
11 - Kiran Gunda <kgunda@codeaurora.org>
21 - qcom,pm8941-wled
22 - qcom,pmi8998-wled
23 - qcom,pm660l-wled
24 - qcom,pm8150l-wled
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/Documentation/sound/hd-audio/
Dnotes.rst2 More Notes on HD-Audio Driver
11 HD-audio is the new standard on-board audio component on modern PCs
12 after AC97. Although Linux has been supporting HD-audio since long
15 This document explains the brief trouble-shooting and debugging
16 methods for the HD-audio hardware.
18 The HD-audio component consists of two parts: the controller chip and
19 the codec chips on the HD-audio bus. Linux provides a single driver
20 for all controllers, snd-hda-intel. Although the driver name contains
21 a word of a well-known hardware vendor, it's not specific to it but for
22 all controller chips by other companies. Since the HD-audio
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/Documentation/admin-guide/
Dparport.rst4 The ``parport`` code provides parallel-port support under Linux. This
9 detection of your hardware. This is particularly useful if you want
16 port-sharing) and architecture-dependent (which deals with actually
28 architecture-dependent code with (for example)::
30 # insmod parport_pc io=0x3bc,0x378,0x278 irq=none,7,auto
32 to tell the ``parport`` code that you want three PC-style ports, one at
34 auto-detected IRQ. Currently, PC-style (``parport_pc``), Sun ``bpp``,
43 --------
49 options parport_pc io=0x378,0x278 irq=7,auto
51 modprobe will load ``parport_pc`` (with the options ``io=0x378,0x278 irq=7,auto``)
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Dkernel-parameters.txt5 force -- enable ACPI if default was off
6 on -- enable ACPI but allow fallback to DT [arm64]
7 off -- disable ACPI if default was on
8 noirq -- do not use ACPI for IRQ routing
9 strict -- Be less tolerant of platforms that are not
11 rsdt -- prefer RSDT over (default) XSDT
12 copy_dsdt -- copy DSDT to memory
26 If set to vendor, prefer vendor-specific driver
58 Documentation/firmware-guide/acpi/debug.rst for more information about
121 Disable auto-serialization of AML methods
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/Documentation/devicetree/bindings/sound/
Dda7218.txt8 - compatible : Should be "dlg,da7217" or "dlg,da7218"
9 - reg: Specifies the I2C slave address
11 - VDD-supply: VDD power supply for the device
12 - VDDMIC-supply: VDDMIC power supply for the device
13 - VDDIO-supply: VDDIO power supply for the device
18 - interrupts: IRQ line info for DA7218 chip.
19 (See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt for
21 - interrupt-names : Name associated with interrupt line. Should be "wakeup" if
23 - wakeup-source: Flag to indicate this device can wake system (suspend/resume).
25 - clocks : phandle and clock specifier for codec MCLK.
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/Documentation/devicetree/bindings/usb/
Dmediatek,mtu3.txt4 - compatible : should be "mediatek,<soc-model>-mtu3", "mediatek,mtu3",
5 soc-model is the name of SoC, such as mt8173, mt2712 etc,
6 when using "mediatek,mtu3" compatible string, you need SoC specific
8 - "mediatek,mt8173-mtu3"
9 - reg : specifies physical base address and size of the registers
10 - reg-names: should be "mac" for device IP and "ippc" for IP port control
11 - interrupts : interrupt used by the device IP
12 - power-domains : a phandle to USB power domain node to control USB's
14 - vusb33-supply : regulator of USB avdd3.3v
15 - clocks : a list of phandle + clock-specifier pairs, one for each
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/Documentation/sound/
Dalsa-configuration.rst2 Advanced Linux Sound Architecture - Driver Configuration guide
22 too. "Debug detection" will add checks for the detection of cards.
38 ----------
47 limiting card index for auto-loading (1-8);
49 For auto-loading more than one card, specify this option
50 together with snd-card-X aliases.
63 Module snd-pcm-oss
64 ------------------
86 regarding opening the device. When this option is non-zero,
90 Module snd-rawmidi
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/Documentation/driver-api/
Dipmi.rst12 standardized database for field-replaceable units (FRUs) and a watchdog
25 -------------
32 No matter what, you must pick 'IPMI top-level message handler' to use
35 The message handler does not provide any user-level interfaces.
50 these enabled and let the drivers auto-detect what is present.
61 "The SMBus Driver" on how to hand-configure your system.
65 the kernel, then via a kernel command-line option you can have the
74 'IPMI Poweroff' to do this. The driver will auto-detect if the system
82 you want the whole panic string put into the event log using OEM
83 events, enable the 'Generate OEM events containing the panic string'
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/Documentation/userspace-api/media/v4l/
Dvidioc-enuminput.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_ENUMINPUT - Enumerate video inputs
45 .. flat-table:: struct v4l2_input
46 :header-rows: 0
47 :stub-columns: 0
50 * - __u32
51 - ``index``
52 - Identifies the input, set by the application.
53 * - __u8
54 - ``name``\ [32]
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Dvidioc-queryctrl.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_QUERYCTRL - VIDIOC_QUERY_EXT_CTRL - VIDIOC_QUERYMENU - Enumerate controls and menu control i…
42 of a struct :ref:`v4l2_queryctrl <v4l2-queryctrl>` and call the
60 driver returns the next supported non-compound control, or ``EINVAL`` if
72 :ref:`v4l2_queryctrl <v4l2-queryctrl>` since that structure is full.
80 fields of struct :ref:`v4l2_querymenu <v4l2-querymenu>` and call the
85 :ref:`v4l2_queryctrl <v4l2-queryctrl>` ``minimum`` to ``maximum``,
99 .. _v4l2-queryctrl:
103 .. flat-table:: struct v4l2_queryctrl
104 :header-rows: 0
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/Documentation/scsi/
Dst.rst1 .. SPDX-License-Identifier: GPL-2.0
23 flexible method and applicable to single-user workstations. However,
32 drive performs auto-detection of the tape format well (like some
33 QIC-drives). The result is that any tape can be read, writing can be
37 does not perform auto-detection well enough and there is a single
40 or not :-).
57 between formats in multi-tape operations (the explicitly overridden
72 limits). Both the auto-rewind (minor equals device number) and
73 non-rewind devices (minor is 128 + device number) are implemented.
128 dev_upper non-rew mode dev-lower
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/Documentation/hwmon/
Dsysfs-interface.rst5 through the sysfs interface. Since lm-sensors 3.0.0, libsensors is
6 completely chip-independent. It assumes that all the kernel drivers
10 This is a major improvement compared to lm-sensors 2.
22 For this reason, even if we aim at a chip-independent libsensors, it will
37 Up to lm-sensors 3.0.0, libsensors looks for hardware monitoring attributes
38 in the "physical" device directory. Since lm-sensors 3.0.1, attributes found
61 to cause an alarm) is chip-dependent.
63 When setting values of hwmon sysfs attributes, the string representation of
68 -------------------------------------------------------------------------
71 `[0-*]` denotes any positive number starting from 0
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/Documentation/networking/
Dip-sysctl.rst1 .. SPDX-License-Identifier: GPL-2.0
10 ip_forward - BOOLEAN
11 - 0 - disabled (default)
12 - not 0 - enabled
20 ip_default_ttl - INTEGER
25 ip_no_pmtu_disc - INTEGER
27 fragmentation-required ICMP is received, the PMTU to this
37 accept fragmentation-needed errors if the underlying protocol
47 Possible values: 0-3
51 min_pmtu - INTEGER
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Dbonding.rst1 .. SPDX-License-Identifier: GPL-2.0
11 Corrections, HA extensions: 2000/10/03-15:
13 - Willy Tarreau <willy at meta-x.org>
14 - Constantine Gavrilov <const-g at xpert.com>
15 - Chad N. Tindel <ctindel at ieee dot org>
16 - Janice Girouard <girouard at us dot ibm dot com>
17 - Jay Vosburgh <fubar at us dot ibm dot com>
22 - Mitch Williams <mitch.a.williams at intel.com>
35 the original tools from extreme-linux and beowulf sites will not work
77 8.3 Painfully Slow Or No Failed Link Detection By Miimon
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