sound/soc/intel/boards/sof_nuvoton_common.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * This file defines data structures and functions used in Machine
   4  * Driver for Intel platforms with Nuvoton Codecs.
   5  *
   6  * Copyright 2023 Intel Corporation.
   7  */
   8 #include <linux/module.h>
   9 #include <sound/sof.h>
  10 #include "sof_nuvoton_common.h"
  11
  12 /*
  13  * Nuvoton NAU8318
  14  */
  15 static const struct snd_kcontrol_new nau8318_kcontrols[] = {
  16         SOC_DAPM_PIN_SWITCH("Spk"),
  17 };
  18
  19 static const struct snd_soc_dapm_widget nau8318_widgets[] = {
  20         SND_SOC_DAPM_SPK("Spk", NULL),
  21 };
  22
  23 static const struct snd_soc_dapm_route nau8318_routes[] = {
  24         { "Spk", NULL, "Speaker" },
  25 };
  26
  27 static struct snd_soc_dai_link_component nau8318_components[] = {
  28         {
  29                 .name = NAU8318_DEV0_NAME,
  30                 .dai_name = NAU8318_CODEC_DAI,
  31         }
  32 };
  33
  34 static int nau8318_init(struct snd_soc_pcm_runtime *rtd)
  35 {
  36         struct snd_soc_card *card = rtd->card;
  37         int ret;
  38
  39         ret = snd_soc_dapm_new_controls(&card->dapm, nau8318_widgets,
  40                                         ARRAY_SIZE(nau8318_widgets));
  41         if (ret) {
  42                 dev_err(rtd->dev, "fail to add nau8318 widgets, ret %d\n", ret);
  43                 return ret;
  44         }
  45
  46         ret = snd_soc_add_card_controls(card, nau8318_kcontrols,
  47                                         ARRAY_SIZE(nau8318_kcontrols));
  48         if (ret) {
  49                 dev_err(rtd->dev, "fail to add nau8318 kcontrols, ret %d\n", ret);
  50                 return ret;
  51         }
  52
  53         ret = snd_soc_dapm_add_routes(&card->dapm, nau8318_routes,
  54                                       ARRAY_SIZE(nau8318_routes));
  55
  56         if (ret) {
  57                 dev_err(rtd->dev, "fail to add nau8318 routes, ret %d\n", ret);
  58                 return ret;
  59         }
  60
  61         return ret;
  62 }
  63
  64 void nau8318_set_dai_link(struct snd_soc_dai_link *link)
  65 {
  66         link->codecs = nau8318_components;
  67         link->num_codecs = ARRAY_SIZE(nau8318_components);
  68         link->init = nau8318_init;
  69 }
  70 EXPORT_SYMBOL_NS(nau8318_set_dai_link, SND_SOC_INTEL_SOF_NUVOTON_COMMON);
  71
  72 MODULE_DESCRIPTION("ASoC Intel SOF Nuvoton helpers");
  73 MODULE_LICENSE("GPL");