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/linux-6.12.1/Documentation/userspace-api/media/rc/
Dlirc-set-wideband-receiver.rst1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
13 LIRC_SET_WIDEBAND_RECEIVER - enable wide band receiver.
35 Some receivers are equipped with special wide band receiver which is
40 that prevents them to be used with some remotes. Wide band receiver might
42 reduced range of reception.
46 Wide band receiver might be implicitly enabled if you enable
48 carrier reports. Trying to disable wide band receiver while carrier
54 On success 0 is returned, on error -1 and the ``errno`` variable is set
56 :ref:`Generic Error Codes <gen-errors>` chapter.
/linux-6.12.1/Documentation/devicetree/bindings/hwmon/
Dadi,ltc2945.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Analog Devices LTC2945 wide range i2c power monitor
10 - Guenter Roeck <linux@roeck-us.net>
13 Analog Devices LTC2945 wide range i2c power monitor over I2C.
15 https://www.analog.com/media/en/technical-documentation/data-sheets/LTC2945.pdf
20 - adi,ltc2945
25 shunt-resistor-micro-ohms:
27 Shunt resistor value in micro-Ohms
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/linux-6.12.1/Documentation/hwmon/
Dmpq8785.rst1 .. SPDX-License-Identifier: GPL-2.0-only
15 -----------
17 The MPQ8785 is a fully integrated, PMBus-compatible, high-frequency, synchronous
20 wide input supply range. The MPQ8785 operates at high efficiency over a wide
21 output current load range.
26 The MPQ8785 adopts MPS's proprietary multi-phase digital constant-on-time (MCOT)
29 with excellent current sharing and phase interleaving for high-current
32 Fully integrated protection features include over-current protection (OCP),
33 over-voltage protection (OVP), under-voltage protection (UVP), and
34 over-temperature protection (OTP).
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/linux-6.12.1/Documentation/networking/
Dtcp-thin.rst1 .. SPDX-License-Identifier: GPL-2.0
4 Thin-streams and TCP
7 A wide range of Internet-based services that use reliable transport
8 protocols display what we call thin-stream properties. This means
11 effective. In time-dependent scenarios (like online games, control
19 After analysing a large number of time-dependent interactive
22 lifespan. The combination of time-dependency and the fact that the
25 In order to reduce application-layer latency when packets are lost,
39 Since these mechanisms are targeted at time-dependent applications,
47 More information on the modifications, as well as a wide range of
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/linux-6.12.1/drivers/clk/analogbits/
Dwrpll-cln28hpc.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2018-2019 SiFive, Inc.
8 * the CLN28HPC variant of the Analog Bits Wide Range PLL. The
16 * pre-determined set of performance points.
19 * - Analog Bits "Wide Range PLL Datasheet", version 2015.10.01
20 * - SiFive FU540-C000 Manual v1p0, Chapter 7 "Clocking and Reset"
21 * https://static.dev.sifive.com/FU540-C000-v1.0.pdf
33 #include <linux/clk/analogbits-wrpll-cln28hpc.h>
41 /* MIN_POST_DIVIDE_REF_FREQ: minimum post-divider reference frequency, in Hz */
44 /* MAX_POST_DIVIDE_REF_FREQ: maximum post-divider reference frequency, in Hz */
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/linux-6.12.1/arch/mips/include/asm/sgi/
Dgio.h21 * slot# slot type address range size
22 * ----- --------- ----------------------- -----
23 * 0 GFX 0x1f000000 - 0x1f3fffff 4MB
24 * 1 EXP0 0x1f400000 - 0x1f5fffff 2MB
25 * 2 EXP1 0x1f600000 - 0x1f9fffff 4MB
27 * There are un-slotted devices, HPC, I/O and misc devices, which are grouped
29 * - MISC 0x1fb00000 - 0x1fbfffff 1MB
32 * - RESERVED 0x18000000 - 0x1effffff 112MB
41 * 32-bit IDs are divided into
43 * bit 7 0=GIO Product ID is 8 bits wide
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/linux-6.12.1/Documentation/scsi/
DFlashPoint.rst1 .. SPDX-License-Identifier: GPL-2.0
17 FREMONT, CA, -- October 8, 1996 -- Mylex Corporation has expanded Linux
33 Linux is a freely-distributed implementation of UNIX for Intel x86, Sun
35 machines. It supports a wide range of software, including the X Window
43 and file server environments, are available in narrow, wide, dual channel,
44 and dual channel wide versions. These adapters feature SeqEngine
55 and system boards. Through its wide range of RAID controllers and its
71 510/796-6100
78 BusLogic FlashPoint LT/BT-948 Upgrade Program
82 BusLogic FlashPoint LW/BT-958 Upgrade Program
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/linux-6.12.1/drivers/comedi/drivers/
Dplx9080.h1 /* SPDX-License-Identifier: GPL-2.0+ */
26 * struct plx_dma_desc - DMA descriptor format for PLX PCI 9080
32 * Describes the format of a scatter-gather DMA descriptor for the PLX
33 * PCI 9080. All members are raw, little-endian register values that
37 * The DMA descriptors must be aligned on a 16-byte boundary. Bits 3:0
53 /* Local Address Space 0 Range Register */
55 /* Local Address Space 1 Range Register */
64 /* bits that specify range for memory space decode bits */
66 /* bits that specify range for i/o space decode bits */
137 /* Big Endian Byte Lane Mode - use most significant byte lanes */
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/linux-6.12.1/Documentation/maintainer/
Dfeature-and-driver-maintainers.rst1 .. SPDX-License-Identifier: GPL-2.0
7 The term "maintainer" spans a very wide range of levels of engagement
36 may range from two working days for fast-paced subsystems (e.g. networking)
40 --------------------------
43 Maintainers must be subscribed and follow the appropriate subsystem-wide
46 `lei <https://people.kernel.org/monsieuricon/lore-lei-part-1-getting-started>`_.
52 -------
55 no matter how trivial. If the patch is a tree wide change and modifies
56 multiple drivers - whether to provide a review is left to the maintainer.
58 When there are multiple maintainers for a piece of code an ``Acked-by``
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/linux-6.12.1/tools/power/cpupower/man/
Dcpupower-set.11 .TH CPUPOWER\-SET "1" "22/02/2011" "" "cpupower Manual"
3 cpupower\-set \- Set processor power related kernel or hardware configurations
6 .B cpupower set [ \-b VAL ]
13 Some options are platform wide, some affect single cores. By default values
15 described in the cpupower(1) manpage in the \-\-cpu option section. Whether an
24 \-\-perf-bias, \-b
30 The range of valid numbers is 0-15, where 0 is maximum
33 The processor uses this information in model-specific ways
34 when it must select trade-offs between performance and
38 (P-states) or CPU Idle power states (C-states), but allows
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/linux-6.12.1/Documentation/userspace-api/media/v4l/
Dext-ctrls-camera.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _camera-controls:
13 .. _camera-control-id:
23 .. _v4l2-exposure-auto-type:
28 enum v4l2_exposure_auto_type -
37 .. flat-table::
38 :header-rows: 0
39 :stub-columns: 0
41 * - ``V4L2_EXPOSURE_AUTO``
42 - Automatic exposure time, automatic iris aperture.
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Dlibv4l-introduction.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
4 .. _libv4l-introduction:
12 make it easy for application writers to support a wide variety of
17 :ref:`v4l2grab <v4l2grab-example>`.
28 :ref:`V4L2_PIX_FMT_BGR24 <V4L2-PIX-FMT-BGR24>`,
29 :ref:`V4L2_PIX_FMT_NV12_16L16 <V4L2-PIX-FMT-NV12-16L16>`,
30 :ref:`V4L2_PIX_FMT_JPEG <V4L2-PIX-FMT-JPEG>`,
31 :ref:`V4L2_PIX_FMT_MJPEG <V4L2-PIX-FMT-MJPEG>`,
32 :ref:`V4L2_PIX_FMT_MR97310A <V4L2-PIX-FMT-MR97310A>`,
33 :ref:`V4L2_PIX_FMT_OV511 <V4L2-PIX-FMT-OV511>`,
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Dbiblio.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
10 CEA 608-E
14 :title: CEA-608-E R-2014 "Line 21 Data Services"
24 :title: EN 300 294 "625-line television Wide Screen Signalling (WSS)"
50 ISO 13818-1
54 :title: ITU-T Rec. H.222.0 | ISO/IEC 13818-1 "Information technology --- Generic coding of movi…
60 ISO 13818-2
64 :title: ITU-T Rec. H.262 | ISO/IEC 13818-2 "Information technology --- Generic coding of moving…
74 :title: ITU-R Recommendation BT.470-6 "Conventional Television Systems"
84 :title: ITU-R Recommendation BT.601-5 "Studio Encoding Parameters of Digital Television for Sta…
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/linux-6.12.1/drivers/dax/
Ddax-private.h1 /* SPDX-License-Identifier: GPL-2.0-only */
20 * struct dax_region - mapping infrastructure for dax devices
21 * @id: kernel-wide unique region for a memory range
22 * @target_node: effective numa node if this memory range is onlined
50 * struct dev_dax - instance data for a subdivision of a dax region, and
52 * @region - parent region
53 * @dax_dev - core dax functionality
54 * @target_node: effective numa node if dev_dax memory range is onlined
58 * @dev - device core
59 * @pgmap - pgmap for memmap setup / lifetime (driver owned)
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/linux-6.12.1/Documentation/scheduler/
Dsched-util-clamp.rst1 .. SPDX-License-Identifier: GPL-2.0
31 These two bounds will ensure a task will operate within this performance range
57 foreground, top-app, etc. Util clamp can be used to constrain how much
60 the ones belonging to the currently active app (top-app group). Beside this
65 1. The big cores are free to run top-app tasks immediately. top-app
106 Note that by design RT tasks don't have per-task PELT signal and must always
114 See :ref:`section 3.4 <uclamp-default-values>` for default values and
115 :ref:`3.4.1 <sched-util-clamp-min-rt-default>` on how to change RT tasks
148 The way this is handled is by dividing the utilization range into buckets
150 task on the rq to only a subset of tasks on the top-most bucket.
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/linux-6.12.1/tools/perf/Documentation/
Dperf-script.txt1 perf-script(1)
5 ----
6 perf-script - Read perf.data (created by perf record) and display trace output
9 --------
12 'perf script' [<options>] record <script> [<record-options>] <command>
13 'perf script' [<options>] report <script> [script-args]
14 'perf script' [<options>] <script> <required-script-args> [<record-options>] <command>
15 'perf script' [<options>] <top-script> [script-args]
18 -----------
26 You can also run a set of pre-canned scripts that aggregate and
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/linux-6.12.1/drivers/char/hw_random/
Dtimeriomem-rng.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * drivers/char/hw_random/timeriomem-rng.c
7 * Derived from drivers/char/hw_random/omap-rng.c
12 * This driver is useful for platforms that have an IO range that provides
31 #include <linux/timeriomem-rng.h>
50 int period_us = ktime_to_us(priv->period); in timeriomem_rng_read()
58 if (!wait && !priv->present) in timeriomem_rng_read()
61 wait_for_completion(&priv->completion); in timeriomem_rng_read()
67 * a wide range of values (1us to 1s have been observed), allow in timeriomem_rng_read()
74 *(u32 *)data = readl(priv->io_base); in timeriomem_rng_read()
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/linux-6.12.1/Documentation/admin-guide/pm/
Dstrategies.rst1 .. SPDX-License-Identifier: GPL-2.0
13 The Linux kernel supports two major high-level power management strategies.
15 One of them is based on using global low-power states of the whole system in
17 significantly reduced, referred to as :doc:`sleep states <sleep-states>`. The
23 :doc:`system-wide power management <system-wide>`.
25 The other strategy, referred to as the :doc:`working-state power management
26 <working-state>`, is based on adjusting the power states of individual hardware
30 a metastate covering a range of different power states of the system in which
34 are inactive, ideally, they should be in low-power states in which they may not
54 use the working-state power management in case it becomes idle, because the user
/linux-6.12.1/Documentation/devicetree/bindings/sound/
Dnvidia,tegra186-asrc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/nvidia,tegra186-asrc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
12 wide range of sample rate ratios (freq_in/freq_out) from 1:24 to 24:1.
16 It supports sample rate conversions in the range of 8 to 192 kHz and
21 - Jon Hunter <jonathanh@nvidia.com>
22 - Mohan Kumar <mkumard@nvidia.com>
23 - Sameer Pujar <spujar@nvidia.com>
26 - $ref: dai-common.yaml#
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/linux-6.12.1/Documentation/devicetree/bindings/iio/light/
Drohm,bu27034anuc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Matti Vaittinen <mazziesaccount@gmail.com>
14 capable of detecting a very wide range of illuminance. Typical application
24 vdd-supply: true
27 - compatible
28 - reg
33 - |
35 #address-cells = <1>;
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/linux-6.12.1/include/drm/
Ddrm_modes.h3 * Copyright © 2007-2008 Dave Airlie
4 * Copyright © 2007-2008 Intel Corporation
46 * enum drm_mode_status - hardware support status of a mode
48 * @MODE_HSYNC: hsync out of range
49 * @MODE_VSYNC: vsync out of range
65 * @MODE_BAD_HVALUE: horizontal timing was out of range
66 * @MODE_BAD_VVALUE: vertical timing was out of range
67 * @MODE_BAD_VSCAN: VScan value out of range
69 * @MODE_HSYNC_WIDE: horizontal sync too wide
71 * @MODE_HBLANK_WIDE: horizontal blanking too wide
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/linux-6.12.1/Documentation/devicetree/bindings/input/
Dmicrochip,qt1050.txt1 Microchip AT42QT1050 Five-channel Touch Sensor IC
5 functions necessary to provide stable sensing under a wide variety of changing
11 - compatible: Must be "microchip,qt1050"
12 - reg: The I2C address of the device
13 - interrupts: The sink for the touchpad's IRQ output,
14 see ../interrupt-controller/interrupts.txt
17 - wakeup-source: touch keys can be used as a wakeup source
19 Each button (key) is represented as a sub-node:
25 - linux,code: Keycode to emit.
26 - reg: The key number. Valid values: 0, 1, 2, 3, 4.
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/linux-6.12.1/Documentation/devicetree/bindings/timer/
Dnxp,lpc3220-timer.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/timer/nxp,lpc3220-timer.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Animesh Agarwal <animeshagarwal28@gmail.com>
13 The NXP LPC3220 timer is used on a wide range of NXP SoCs. This includes
18 const: nxp,lpc3220-timer
29 clock-names:
36 - compatible
37 - reg
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/linux-6.12.1/Documentation/bpf/
Dprog_sk_lookup.rst1 .. SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
23 1. receiving connections on a range of IP addresses, e.g. 192.0.2.0/24, when
26 2. receiving connections on all or a wide range of ports, i.e. an L7 proxy use
30 IP address/port in the range, leading to resource consumption and potential
55 hashtable-based lookup, while ``SK_DROP`` causes the transport layer to drop the
90 header, and `bpf-helpers(7)
91 <https://man7.org/linux/man-pages/man7/bpf-helpers.7.html>`_ man-page section
/linux-6.12.1/Documentation/devicetree/bindings/leds/
Dleds-lm3532.txt1 * Texas Instruments - lm3532 White LED driver with ambient light sensing
4 The LM3532 provides the 3 high-voltage, low-side current sinks. The device is
5 programmable over an I2C-compatible interface and has independent
8 for a wide variety of backlight and keypad applications.
11 each with 32 internal voltage setting resistors, 8-bit logarithmic and linear
16 - compatible : "ti,lm3532"
17 - reg : I2C slave address
18 - #address-cells : 1
19 - #size-cells : 0
22 - enable-gpios : gpio pin to enable (active high)/disable the device.
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