linux/sound/soc/codecs/spdif_receiver.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * ALSA SoC SPDIF DIR (Digital Interface Reciever) driver
 *
 * Based on ALSA SoC SPDIF DIT driver
 *
 *  This driver is used by controllers which can operate in DIR (SPDI/F) where
 *  no codec is needed.  This file provides stub codec that can be used
 *  in these configurations. SPEAr SPDIF IN Audio controller uses this driver.
 *
 * Author:      Vipin Kumar,  <[email protected]>
 * Copyright:   (C) 2012  ST Microelectronics
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/slab.h>
#include <sound/soc.h>
#include <sound/pcm.h>
#include <sound/initval.h>
#include <linux/of.h>

static const struct snd_soc_dapm_widget dir_widgets[] = …;

static const struct snd_soc_dapm_route dir_routes[] = …;

#define STUB_RATES …
#define STUB_FORMATS …

static struct snd_soc_component_driver soc_codec_spdif_dir = …;

static struct snd_soc_dai_driver dir_stub_dai = …;

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

#ifdef CONFIG_OF
static const struct of_device_id spdif_dir_dt_ids[] = …;
MODULE_DEVICE_TABLE(of, spdif_dir_dt_ids);
#endif

static struct platform_driver spdif_dir_driver = …;

module_platform_driver(…) …;

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