44 lines
1004 B
C
44 lines
1004 B
C
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// SPDX-License-Identifier: GPL-2.0-only
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// Copyright (c) 2020 Intel Corporation
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/*
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* sof_sdw_dmic - Helpers to handle dmic from generic machine driver
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*/
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#include <sound/soc.h>
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#include <sound/soc-acpi.h>
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#include <sound/soc-dapm.h>
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#include "sof_sdw_common.h"
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static const struct snd_soc_dapm_widget dmic_widgets[] = {
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SND_SOC_DAPM_MIC("SoC DMIC", NULL),
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};
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static const struct snd_soc_dapm_route dmic_map[] = {
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/* digital mics */
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{"DMic", NULL, "SoC DMIC"},
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};
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int sof_sdw_dmic_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_card *card = rtd->card;
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int ret;
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ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets,
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ARRAY_SIZE(dmic_widgets));
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if (ret) {
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dev_err(card->dev, "DMic widget addition failed: %d\n", ret);
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/* Don't need to add routes if widget addition failed */
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return ret;
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}
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ret = snd_soc_dapm_add_routes(&card->dapm, dmic_map,
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ARRAY_SIZE(dmic_map));
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if (ret)
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dev_err(card->dev, "DMic map addition failed: %d\n", ret);
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return ret;
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}
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