linux/sound/soc/samsung/smdk_wm8994.c

// SPDX-License-Identifier: GPL-2.0+

#include "../codecs/wm8994.h"
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <linux/module.h>
#include <linux/of.h>

 /*
  * Default CFG switch settings to use this driver:
  *	SMDKV310: 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 16.934MHZ crystal attached to WM8994 */
#define SMDK_WM8994_FREQ …

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

/*
 * SMDK WM8994 DAI operations.
 */
static const struct snd_soc_ops smdk_ops = …;

static int smdk_wm8994_init_paiftx(struct snd_soc_pcm_runtime *rtd)
{ … }

SND_SOC_DAILINK_DEFS(…);

SND_SOC_DAILINK_DEFS(…);

static struct snd_soc_dai_link smdk_dai[] = …;

static struct snd_soc_card smdk = …;

static const struct of_device_id samsung_wm8994_of_match[] = …;
MODULE_DEVICE_TABLE(of, samsung_wm8994_of_match);

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

static struct platform_driver smdk_audio_driver = …;

module_platform_driver(…) …;

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