LXR linux/sound/soc/sdw_utils/soc_sdw

   1// SPDX-License-Identifier: GPL-2.0-only
   2// This file incorporates work covered by the following copyright notice:
   3// Copyright (c) 2020 Intel Corporation
   4// Copyright (c) 2024 Advanced Micro Devices, Inc.
   5
   6/*
   7 *  soc_sdw_rt700 - Helpers to handle RT700 from generic machine driver
   8 */
   9
  10#include <linux/device.h>
  11#include <linux/errno.h>
  12#include <linux/input.h>
  13#include <sound/control.h>
  14#include <sound/soc.h>
  15#include <sound/soc-acpi.h>
  16#include <sound/soc-dapm.h>
  17#include <sound/jack.h>
  18#include <sound/soc_sdw_utils.h>
  19
  20static const struct snd_soc_dapm_route rt700_map[] = {
  21        /* Headphones */
  22        { "Headphones", NULL, "rt700 HP" },
  23        { "Speaker", NULL, "rt700 SPK" },
  24        { "rt700 MIC2", NULL, "AMIC" },
  25};
  26
  27static struct snd_soc_jack_pin rt700_jack_pins[] = {
  28        {
  29                .pin    = "Headphones",
  30                .mask   = SND_JACK_HEADPHONE,
  31        },
  32        {
  33                .pin    = "AMIC",
  34                .mask   = SND_JACK_MICROPHONE,
  35        },
  36};
  37
  38int asoc_sdw_rt700_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
  39{
  40        struct snd_soc_card *card = rtd->card;
  41        struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
  42        struct snd_soc_component *component;
  43        struct snd_soc_jack *jack;
  44        int ret;
  45
  46        component = dai->component;
  47        card->components = devm_kasprintf(card->dev, GFP_KERNEL,
  48                                          "%s hs:rt700",
  49                                          card->components);
  50        if (!card->components)
  51                return -ENOMEM;
  52
  53        ret = snd_soc_dapm_add_routes(&card->dapm, rt700_map,
  54                                      ARRAY_SIZE(rt700_map));
  55
  56        if (ret) {
  57                dev_err(card->dev, "rt700 map addition failed: %d\n", ret);
  58                return ret;
  59        }
  60
  61        ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
  62                                         SND_JACK_HEADSET | SND_JACK_BTN_0 |
  63                                         SND_JACK_BTN_1 | SND_JACK_BTN_2 |
  64                                         SND_JACK_BTN_3,
  65                                         &ctx->sdw_headset,
  66                                         rt700_jack_pins,
  67                                         ARRAY_SIZE(rt700_jack_pins));
  68        if (ret) {
  69                dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n",
  70                        ret);
  71                return ret;
  72        }
  73
  74        jack = &ctx->sdw_headset;
  75
  76        snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
  77        snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
  78        snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
  79        snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
  80
  81        ret = snd_soc_component_set_jack(component, jack, NULL);
  82        if (ret)
  83                dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n",
  84                        ret);
  85
  86        return ret;
  87}
  88EXPORT_SYMBOL_NS(asoc_sdw_rt700_rtd_init, "SND_SOC_SDW_UTILS");
  89