linux/sound/soc/samsung/smdk_spdif.c

// SPDX-License-Identifier: GPL-2.0+
//
// smdk_spdif.c - S/PDIF audio for SMDK
//
// Copyright (C) 2010 Samsung Electronics Co., Ltd.

#include <linux/clk.h>
#include <linux/module.h>

#include <sound/soc.h>

#include "spdif.h"

/* Audio clock settings are belonged to board specific part. Every
 * board can set audio source clock setting which is matched with H/W
 * like this function-'set_audio_clock_heirachy'.
 */
static int set_audio_clock_heirachy(struct platform_device *pdev)
{ … }

/* We should haved to set clock directly on this part because of clock
 * scheme of Samsudng SoCs did not support to set rates from abstrct
 * clock of it's hierarchy.
 */
static int set_audio_clock_rate(unsigned long epll_rate,
				unsigned long audio_rate)
{ … }

static int smdk_hw_params(struct snd_pcm_substream *substream,
		struct snd_pcm_hw_params *params)
{ … }

static const struct snd_soc_ops smdk_spdif_ops = …;

SND_SOC_DAILINK_DEFS(…);

static struct snd_soc_dai_link smdk_dai = …;

static struct snd_soc_card smdk = …;

static struct platform_device *smdk_snd_spdif_dit_device;
static struct platform_device *smdk_snd_spdif_device;

static int __init smdk_init(void)
{ … }

static void __exit smdk_exit(void)
{ … }

module_init(…) …;
module_exit(smdk_exit);

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