Searched +full:convert +full:- +full:channels (Results 1 – 25 of 26) sorted by relevance
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| /Documentation/devicetree/bindings/sound/ |
| D | dai-params.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/dai-params.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
15 convert-channels:
16 description: Number of audio channels used by DAI
21 convert-sample-format:
25 - s8
26 - s16_le
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| D | simple-card.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/sound/simple-card.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
14 frame-master:
15 description: Indicates dai-link frame master.
18 bitclock-master:
19 description: Indicates dai-link bit clock master
22 frame-inversion:
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| D | renesas,rsnd.txt | 1 Renesas R-Car sound
7 Renesas R-Car and RZ/G sound is constructed from below modules
11 - SRC : Sampling Rate Converter
12 - CMD
13 - CTU : Channel Transfer Unit
14 - MIX : Mixer
15 - DVC : Digital Volume and Mute Function
19 See detail of each module's channels, connection, limitation on datasheet
25 Multi channel is supported by Multi-SSI, or TDM-SSI.
27 Multi-SSI : 6ch case, you can use stereo x 3 SSI
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| /Documentation/devicetree/bindings/iio/afe/ |
| D | temperature-transducer.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/afe/temperature-transducer.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Liam Beguin <liambeguin@gmail.com>
19 When an io-channel measures the output voltage of a temperature analog front
35 -----
37 +---+---+
39 +---+---+ -----
41 V proportional to T +----+----+
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| /Documentation/devicetree/bindings/hwmon/ |
| D | moortec,mr75203.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rahul Tanwar <rtanwar@maxlinear.com>
19 *) Temperature Sensor (TS) - used to monitor core temperature (e.g. mr74137).
20 *) Voltage Monitor (VM) - used to monitor voltage levels (e.g. mr74138).
21 *) Process Detector (PD) - used to assess silicon speed (e.g. mr74139).
22 *) Delay Chain - ring oscillator connected to the PD, used to measure IO
25 *) Pre Scaler - provides divide-by-X scaling of input voltage, which can then
26 be presented for VM for measurement within its range (e.g. mr76006 -
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| /Documentation/core-api/ |
| D | dma-isa-lpc.rst | 12 ------------------------
16 #include <linux/dma-mapping.h>
19 The first is the generic DMA API used to convert virtual addresses to
20 bus addresses (see Documentation/core-api/dma-api.rst for details).
28 -----------------
37 The DMA-able address space is the lowest 16 MB of _physical_ memory.
45 allocate the memory during boot-up it's a good idea to also pass
52 -------------------
65 Channels chapter
66 --------
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| /Documentation/devicetree/bindings/net/ |
| D | cpsw.txt | 2 ------------------------------------------------------
5 - compatible : Should be one of the below:-
7 "ti,am335x-cpsw" for AM335x controllers
8 "ti,am4372-cpsw" for AM437x controllers
9 "ti,dra7-cpsw" for DRA7x controllers
10 - reg : physical base address and size of the cpsw
12 - interrupts : property with a value describing the interrupt
14 - cpdma_channels : Specifies number of channels in CPDMA
15 - ale_entries : Specifies No of entries ALE can hold
16 - bd_ram_size : Specifies internal descriptor RAM size
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| /Documentation/hwmon/ |
| D | tmp513.rst | 1 .. SPDX-License-Identifier: GPL-2.0
22 Eric Tremblay <etremblay@distech-controls.com>
25 -----------
28 The TMP512 (dual-channel) and TMP513 (triple-channel) are system monitors
29 that include remote sensors, a local temperature sensor, and a high-side current
31 temperatures, on-chip temperatures, and system voltage/power/current
35 -40 to + 125 degrees with a resolution of 0.0625 degree C.
38 will affect all other values since each channels are sharing the same
44 **temp[1-4]_input**
46 **temp[1-4]_crit**
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| D | vt1211.rst | 10 Addresses scanned: none, address read from Super-I/O config space
24 -----------------
29 configuration for channels 1-5.
30 Legal values are in the range of 0-31. Bit 0 maps to
47 -----------
49 The VIA VT1211 Super-I/O chip includes complete hardware monitoring
52 implements 5 universal input channels (UCH1-5) that can be individually
60 connected to the PWM outputs of the VT1211 :-().
80 ------------------
82 Voltages are sampled by an 8-bit ADC with a LSB of ~10mV. The supported input
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| D | sysfs-interface.rst | 5 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.
69 ----------------
76 -------------------------------------------------------------------------
79 `[0-*]` denotes any positive number starting from 0
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| /Documentation/devicetree/bindings/iio/adc/ |
| D | adi,ad4695.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Hennerich <Michael.Hennerich@analog.com>
11 - Nuno Sá <nuno.sa@analog.com>
14 A family of similar multi-channel analog to digital converters with SPI bus.
21 $ref: /schemas/spi/spi-peripheral-props.yaml#
26 - adi,ad4695
27 - adi,ad4696
28 - adi,ad4697
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| /Documentation/iio/ |
| D | ad7944.rst | 1 .. SPDX-License-Identifier: GPL-2.0-only
25 ----------------
29 CS mode, 3-wire, without busy indicator
32 .. code-block::
34 +-------------+
35 +--------------------| CS |
37 VIO +--------------------+ | HOST |
39 +--->| SDI AD7944 SDO |-------->| SDI |
41 +--------------------+ | |
43 +--------------------| SCLK |
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| /Documentation/sound/designs/ |
| D | oss-emulation.rst | 2 Notes on Kernel OSS-Emulation
13 as add-on kernel modules, snd-pcm-oss, snd-mixer-oss and snd-seq-oss.
18 is called. The alias is defined ``sound-service-x-y``, where x and y are
22 Only necessary step for auto-loading of OSS modules is to define the
25 alias sound-slot-0 snd-emu10k1
27 As the second card, define ``sound-slot-1`` as well.
29 ``alias sound-slot-0 snd-card-0`` doesn't work any more like the old
38 after the corresponding OSS-emulation module is loaded. Don't worry
79 snd-pcm-oss and snd-rawmidi. In the case of PCM, the following
80 options are available for snd-pcm-oss:
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| D | midi-2.0.rst | 12 - Support of Universal MIDI Packet (UMP)
13 - Support of MIDI 2.0 protocol messages
14 - Transparent conversions between UMP and legacy MIDI 1.0 byte stream
15 - MIDI-CI for property and profile configurations
21 16 MIDI channels.
26 MIDI-CI is a high-level protocol that can talk with the MIDI device
31 the encoding/decoding of MIDI protocols on UMP, while MIDI-CI is
32 supported in user-space over the standard SysEx.
65 When a device supports MIDI 2.0, the USB-audio driver probes and uses
69 `midi2_enable=0` option to snd-usb-audio driver module, too.
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| /Documentation/gpu/amdgpu/display/ |
| D | dcn-overview.rst | 10 .. kernel-figure:: dc_pipeline_overview.svg
19 * **Display Pipe and Plane (DPP)**: This block provides pre-blend pixel
24 multiple planes, using global or per-pixel alpha.
38 * **Multi-Media HUB (MMHUBBUB)**: Memory controller interface for DMCUB and DWB
43 the Display Micro-Controller Unit - version B (DMCUB), which is handled via
80 dc_plane should work to convert all pixels in the plane to something that can
84 ----------------------
100 a one-to-one mapping of the link encoder to PHY, but we can configure the DCN
106 ---------
111 channels (1 for alpha + 3 for colors).
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| /Documentation/gpu/ |
| D | tegra.rst | 7 buffer provided directly by the CPU, to its clients via channels. Software,
11 supports the built-in GPU, comprised of the gr2d and gr3d engines. Starting
18 - A host1x driver that provides infrastructure and access to the host1x
21 - A KMS driver that supports the display controllers as well as a number of
24 - A set of custom userspace IOCTLs that can be used to submit jobs to the
40 device using a driver-provided function which will set up the bits specific to
48 -------------------------------
50 .. kernel-doc:: include/linux/host1x.h
52 .. kernel-doc:: drivers/gpu/host1x/bus.c
56 --------------------------
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| /Documentation/userspace-api/ |
| D | dma-buf-alloc-exchange.rst | 1 .. SPDX-License-Identifier: GPL-2.0
2 .. Copyright 2021-2023 Collabora Ltd.
9 support for sharing pixel-buffer allocations between processes, devices, and
12 approach this sharing for two-dimensional image data.
25 Conceptually a two-dimensional array of pixels. The pixels may be stored
30 A span along a single y-axis value, e.g. from co-ordinates (0,100) to
37 A span along a single x-axis value, e.g. from co-ordinates (100,0) to
46 A two-dimensional array of some or all of an image's color and alpha
51 more color channels values, e.g. R, G and B, or Y, Cb and Cr. May also
65 channels R, G, and B. Alpha channel is sometimes counted as a color
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| /Documentation/sound/soc/ |
| D | dpcm.rst | 18 DPCM re-uses all the existing component codec, platform and DAI drivers without
23 -------------------------------------
26 document for all examples :-
32 PCM0 <------------> * * <----DAI0-----> Codec Headset
34 PCM1 <------------> * * <----DAI1-----> Codec Speakers
36 PCM2 <------------> * * <----DAI2-----> MODEM
38 PCM3 <------------> * * <----DAI3-----> BT
40 * * <----DAI4-----> DMIC
42 * * <----DAI5-----> FM
53 Example - DPCM Switching playback from DAI0 to DAI1
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| /Documentation/driver-api/media/drivers/ |
| D | vidtv.rst | 1 .. SPDX-License-Identifier: GPL-2.0
10 ----------
18 - A fake tuner driver, which will report a bad signal quality if the chosen
22 - A fake demod driver, which will constantly poll the fake signal quality
26 - A fake bridge driver, which is the module responsible for modprobing the
31 - Code responsible for encoding a valid MPEG Transport Stream, which is then
33 For now, we have a single, audio-only channel containing a single MPEG
34 Elementary Stream, which in turn contains a SMPTE 302m encoded sine-wave.
39 --------------
45 - Enable **DVB_TEST_DRIVERS**, then
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| /Documentation/networking/device_drivers/hamradio/ |
| D | z8530drv.rst | 1 .. SPDX-License-Identifier: GPL-2.0
5 SCC.C - Linux driver for Z8530 based HDLC cards for AX.25
14 1. ftp://ftp.ccac.rwth-aachen.de/pub/jr/z8530drv-utils_3.0-3.tar.gz
16 2. ftp://ftp.pspt.fi/pub/ham/linux/ax25/z8530drv-utils_3.0-3.tar.gz
41 AX.25-HOWTO on how to emulate a KISS TNC on network device drivers.
54 please read 'man insmod' that comes with module-init-tools.
64 of your rc.*-files. This has to be done BEFORE you can
92 - this is just a delimiter to make sccinit a bit simpler to
96 - the address of the data port A of this Z8530 (needed)
98 - the address of the control port A (needed)
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| /Documentation/virt/kvm/x86/ |
| D | timekeeping.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 Timekeeping Virtualization for X86-Based Architectures
32 information relevant to KVM and hardware-based virtualization.
41 2.1. i8254 - PIT
42 ----------------
46 channels which can be programmed to deliver periodic or one-shot interrupts.
47 These three channels can be configured in different modes and have individual
53 The PIT uses I/O ports 0x40 - 0x43. Access to the 16-bit counters is done
59 -------------- ----------------
61 | 1.1932 MHz|---------->| CLOCK OUT | ---------> IRQ 0
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| /Documentation/hid/ |
| D | hid-bpf.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 HID-BPF
17 When (and why) to use HID-BPF
20 There are several use cases when using HID-BPF is better
24 -----------------------
30 With HID-BPF, we can apply this filtering in the kernel directly so userspace
38 HID-BPF allows the userspace program to load the program itself, ensuring we
42 ---------------------------------
57 ------------------------------------------------
61 channels of communication that our HID and input stack do not support.
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| /Documentation/admin-guide/media/ |
| D | vivid.rst | 1 .. SPDX-License-Identifier: GPL-2.0
13 Each input can be a webcam, TV capture device, S-Video capture device or an HDMI
14 capture device. Each output can be an S-Video output device or an HDMI output
23 - Support for read()/write(), MMAP, USERPTR and DMABUF streaming I/O.
24 - A large list of test patterns and variations thereof
25 - Working brightness, contrast, saturation and hue controls
26 - Support for the alpha color component
27 - Full colorspace support, including limited/full RGB range
28 - All possible control types are present
29 - Support for various pixel aspect ratios and video aspect ratios
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| /Documentation/process/ |
| D | maintainer-pgp-guide.rst | 12 Linux Foundation. Please read that document for more in-depth discussion
15 .. _`Protecting Code Integrity`: https://github.com/lfit/itpol/blob/master/protecting-code-integrit…
22 communication channels between developers via PGP-signed email exchange.
26 - Distributed source repositories (git)
27 - Periodic release snapshots (tarballs)
35 - git repositories provide PGP signatures on all tags
36 - tarballs provide detached PGP signatures with all downloads
41 -------------------------------------------
64 ----------------------
70 $ gpg --version | head -n1
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| /Documentation/virt/uml/ |
| D | user_mode_linux_howto_v2.rst | 1 .. SPDX-License-Identifier: GPL-2.0
25 Most OSes today have built-in support for a number of "fake"
27 User Mode Linux takes this concept to the ultimate extreme - there
30 concepts which map onto something provided by the host - files, sockets,
36 The UML kernel is just a process running on Linux - same as any other
57 * You can run a usermode kernel as a non-root user (you may need to
99 This is extremely easy on Debian - you can do it using debootstrap. It is
100 also easy on OpenWRT - the build process can build UML images. All other
101 distros - YMMV.
114 or by running ``tune2fs -o discard /dev/ubdXX`` will request UML to
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