linux/sound/soc/intel/boards/bytcht_nocodec.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 *  bytcht_nocodec.c - ASoc Machine driver for MinnowBoard Max and Up
 *  to make I2S signals observable on the Low-Speed connector. Audio codec
 *  is not managed by ASoC/DAPM
 *
 *  Copyright (C) 2015-2017 Intel Corp
 *
 *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */

#include <linux/module.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include "../atom/sst-atom-controls.h"

static const struct snd_soc_dapm_widget widgets[] = …;

static const struct snd_kcontrol_new controls[] = …;

static const struct snd_soc_dapm_route audio_map[] = …;

static int codec_fixup(struct snd_soc_pcm_runtime *rtd,
			    struct snd_pcm_hw_params *params)
{ … }

static const unsigned int rates_48000[] = …;

static const struct snd_pcm_hw_constraint_list constraints_48000 = …;

static int aif1_startup(struct snd_pcm_substream *substream)
{ … }

static const struct snd_soc_ops aif1_ops = …;

SND_SOC_DAILINK_DEF(dummy,
	DAILINK_COMP_ARRAY(COMP_DUMMY()));

SND_SOC_DAILINK_DEF(media,
	DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));

SND_SOC_DAILINK_DEF(deepbuffer,
	DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));

SND_SOC_DAILINK_DEF(ssp2_port,
	DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));

SND_SOC_DAILINK_DEF(platform,
	DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));

static struct snd_soc_dai_link dais[] = …;

/* SoC card */
static struct snd_soc_card bytcht_nocodec_card = …;

static int snd_bytcht_nocodec_mc_probe(struct platform_device *pdev)
{ … }

static struct platform_driver snd_bytcht_nocodec_mc_driver = …;
module_platform_driver(…) …;

MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;
MODULE_ALIAS(…) …;