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/linux-6.12.1/sound/soc/fsl/
Dfsl-asoc-card.c1 // SPDX-License-Identifier: GPL-2.0
3 // Freescale Generic ASoC Sound Card driver with ASRC
23 #include "imx-audmux.h"
33 #define DRIVER_NAME "fsl-asoc-card"
44 * struct codec_priv - CODEC private data
62 * struct cpu_priv - CPU private data
80 * struct fsl_asoc_card_priv - Freescale Generic ASOC card private data
91 * @asrc_rate: ASRC sample rate used by Back-Ends
92 * @asrc_format: ASRC sample format used by Back-Ends
118 * Note: keep all ASRC routes in the second half
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Dimx-card.c1 // SPDX-License-Identifier: GPL-2.0+
2 // Copyright 2017-2021 NXP
14 #include <sound/soc-dapm.h>
54 * struct imx_card_plat_data - specific info for codecs
88 * struct dai_link_data - specific info for dai link
103 * struct imx_card_data - platform device data
110 * @asrc_rate: asrc rates
111 * @asrc_format: asrc format
142 * Table 13 - Audio Interface Format
153 * Table 7 - mapping multiplier and speed mode
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/linux-6.12.1/Documentation/devicetree/bindings/sound/
Dimx-audio-card.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/imx-audio-card.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Shengjiu Wang <shengjiu.wang@nxp.com>
13 - $ref: sound-card-common.yaml#
18 - fsl,imx-audio-card
21 ".*-dai-link$":
23 Each subnode represents a dai link. Subnodes of each dai links would be
29 link-name:
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/linux-6.12.1/Documentation/sound/soc/
Ddapm.rst11 management frameworks and, as such, can easily co-exist with them.
21 * a **widget** is every part of the audio hardware that can be enabled by
32 The graph for the STM32MP1-DK1 sound card is shown in picture:
34 .. kernel-figure:: dapm-graph.svg
47 can be set at stream time if power is not needed for sidetone, etc.
129 ASRC
139 (Widgets are defined in include/sound/soc-dapm.h)
141 Widgets can be added to the sound card by any of the component driver types.
142 There are convenience macros defined in soc-dapm.h that can be used to quickly
150 ---------------------
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/linux-6.12.1/sound/soc/codecs/
Dtlv320dac33.c1 // SPDX-License-Identifier: GPL-2.0-only
27 #include <sound/tlv320dac33-plat.h>
32 * It can be configured to hold 16bit or 24bit samples
49 (((samples)*5000) / (((burstrate)*5000) / ((burstrate) - (playrate))))
88 unsigned int alarm_threshold; /* set to be half of LATENCY_TIME_MS */
115 0x00, 0x00, 0x00, 0x00, /* 0x00 - 0x03 */
116 0x00, 0x00, 0x00, 0x00, /* 0x04 - 0x07 */
117 0x00, 0x00, 0x00, 0x00, /* 0x08 - 0x0b */
118 0x00, 0x00, 0x00, 0x00, /* 0x0c - 0x0f */
119 0x00, 0x00, 0x00, 0x00, /* 0x10 - 0x13 */
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