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1// SPDX-License-Identifier: GPL-2.0-only2// This file incorporates work covered by the following copyright notice:3// Copyright (c) 2020 Intel Corporation4// Copyright (c) 2024 Advanced Micro Devices, Inc.5 6/*7 * soc_sdw_dmic - Helpers to handle dmic from generic machine driver8 */9 10#include <sound/soc.h>11#include <sound/soc-acpi.h>12#include <sound/soc-dapm.h>13#include <sound/soc_sdw_utils.h>14 15static const struct snd_soc_dapm_widget dmic_widgets[] = {16 SND_SOC_DAPM_MIC("SoC DMIC", NULL),17};18 19static const struct snd_soc_dapm_route dmic_map[] = {20 /* digital mics */21 {"DMic", NULL, "SoC DMIC"},22};23 24int asoc_sdw_dmic_init(struct snd_soc_pcm_runtime *rtd)25{26 struct snd_soc_card *card = rtd->card;27 int ret;28 29 ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets,30 ARRAY_SIZE(dmic_widgets));31 if (ret) {32 dev_err(card->dev, "DMic widget addition failed: %d\n", ret);33 /* Don't need to add routes if widget addition failed */34 return ret;35 }36 37 ret = snd_soc_dapm_add_routes(&card->dapm, dmic_map,38 ARRAY_SIZE(dmic_map));39 40 if (ret)41 dev_err(card->dev, "DMic map addition failed: %d\n", ret);42 43 return ret;44}45EXPORT_SYMBOL_NS(asoc_sdw_dmic_init, SND_SOC_SDW_UTILS);46