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/Documentation/sound/soc/
Ddai.rst6 SoC controllers and portable audio CODECs today, namely AC97, I2S and PCM.
35 I2S has several different operating modes:-
47 PCM chapter
50 PCM is another 4 wire interface, very similar to I2S, which can support a more
51 flexible protocol. It has bit clock (BCLK) and sync (SYNC) lines that are used
54 while sync runs at the sample rate. PCM also supports Time Division
56 is sometimes referred to as network mode).
58 Common PCM operating modes:-
60 Mode A
61 MSB is transmitted on falling edge of first BCLK after FRAME/SYNC.
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/Documentation/devicetree/bindings/net/bluetooth/
Dbrcm,bluetooth.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Linus Walleij <linus.walleij@linaro.org>
13 This binding describes Broadcom UART-attached bluetooth chips.
18 - items:
19 - enum:
20 - infineon,cyw43439-bt
21 - const: brcm,bcm4329-bt
22 - enum:
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/Documentation/devicetree/bindings/sound/
Dcs35l36.txt5 - compatible : "cirrus,cs35l36"
7 - reg : the I2C address of the device for I2C
9 - VA-supply, VP-supply : power supplies for the device,
13 - cirrus,boost-ctl-millivolt : Boost Voltage Value. Configures the boost
18 - cirrus,boost-peak-milliamp : Boost-converter peak current limit in mA.
24 - cirrus,boost-ind-nanohenry : Inductor estimation LBST reference value.
32 - cirrus,multi-amp-mode : Boolean to determine if there are more than
33 one amplifier in the system. If more than one it is best to Hi-Z the ASP
36 - cirrus,boost-ctl-select : Boost converter control source selection.
39 0x00 - Control Port Value
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Dst,stm32-sai.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/st,stm32-sai.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Olivier Moysan <olivier.moysan@foss.st.com>
14 protocols as I2S standards, LSB or MSB-justified, PCM/DSP, TDM, and AC'97.
15 The SAI contains two independent audio sub-blocks. Each sub-block has
21 - st,stm32f4-sai
22 - st,stm32h7-sai
26 - description: Base address and size of SAI common register set.
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/Documentation/sound/
Dalsa-configuration.rst2 Advanced Linux Sound Architecture - Driver Configuration guide
14 and PCM supports if you want to run OSS applications with ALSA.
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 ------------------
66 The PCM OSS emulation module.
70 PCM device number maps assigned to the 1st OSS device;
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/Documentation/sound/kernel-api/
Dwriting-an-alsa-driver.rst11 Architecture) <http://www.alsa-project.org/>`__ driver. The document
19 low-level driver implementation details. It only describes the standard
26 -------
56 --------------
60 sub-directories contain different modules and are dependent upon the
66 The code for OSS PCM and mixer emulation modules is stored in this
74 This directory and its sub-directories are for the ALSA sequencer. This
76 as snd-seq-midi, snd-seq-virmidi, etc. They are compiled only when
85 -----------------
88 to be exported to user-space, or included by several files in different
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/Documentation/driver-api/media/drivers/
Dcx2341x-devel.rst1 .. SPDX-License-Identifier: GPL-2.0
7 -----------------------
12 .. note:: the memory long words are little-endian ('intel format').
21 .. code-block:: none
23 ivtvctl -O min=0x02000000,max=0x020000ff
26 register space :-).
35 .. code-block:: none
37 0x00000000-0x00ffffff Encoder memory space
38 0x00000000-0x0003ffff Encode.rom
39 ???-??? MPEG buffer(s)
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