linux/sound/soc/samsung/smdk_wm8994pcm.c

// SPDX-License-Identifier: GPL-2.0+
//
// Copyright (c) 2011 Samsung Electronics Co., Ltd
//		http://www.samsung.com

#include <linux/module.h>
#include <sound/soc.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>

#include "../codecs/wm8994.h"
#include "pcm.h"

/*
 * Board Settings:
 *  o '1' means 'ON'
 *  o '0' means 'OFF'
 *  o 'X' means 'Don't care'
 *
 * SMDKC210, SMDKV310: CFG3- 1001, CFG5-1000, CFG7-111111
 */

/*
 * Configure audio route as :-
 * $ amixer sset 'DAC1' on,on
 * $ amixer sset 'Right Headphone Mux' 'DAC'
 * $ amixer sset 'Left Headphone Mux' 'DAC'
 * $ amixer sset 'DAC1R Mixer AIF1.1' on
 * $ amixer sset 'DAC1L Mixer AIF1.1' on
 * $ amixer sset 'IN2L' on
 * $ amixer sset 'IN2L PGA IN2LN' on
 * $ amixer sset 'MIXINL IN2L' on
 * $ amixer sset 'AIF1ADC1L Mixer ADC/DMIC' on
 * $ amixer sset 'IN2R' on
 * $ amixer sset 'IN2R PGA IN2RN' on
 * $ amixer sset 'MIXINR IN2R' on
 * $ amixer sset 'AIF1ADC1R Mixer ADC/DMIC' on
 */

/* SMDK has a 16.9344MHZ crystal attached to WM8994 */
#define SMDK_WM8994_FREQ …

static int smdk_wm8994_pcm_hw_params(struct snd_pcm_substream *substream,
			      struct snd_pcm_hw_params *params)
{ … }

static const struct snd_soc_ops smdk_wm8994_pcm_ops = …;

SND_SOC_DAILINK_DEFS(…);

static struct snd_soc_dai_link smdk_dai[] = …;

static struct snd_soc_card smdk_pcm = …;

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

static struct platform_driver snd_smdk_driver = …;

module_platform_driver(…) …;

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