1// SPDX-License-Identifier: GPL-2.0-only
 2// Copyright (c) 2020 Intel Corporation
 3
 4/*
 5 *  sof_sdw_dmic - Helpers to handle dmic from generic machine driver
 6 */
 7
 8#include <sound/soc.h>
 9#include <sound/soc-acpi.h>
10#include <sound/soc-dapm.h>
11#include "sof_sdw_common.h"
12
13static const struct snd_soc_dapm_widget dmic_widgets[] = {
14	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
15};
16
17static const struct snd_soc_dapm_route dmic_map[] = {
18	/* digital mics */
19	{"DMic", NULL, "SoC DMIC"},
20};
21
22int sof_sdw_dmic_init(struct snd_soc_pcm_runtime *rtd)
23{
24	struct snd_soc_card *card = rtd->card;
25	int ret;
26
27	ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets,
28					ARRAY_SIZE(dmic_widgets));
29	if (ret) {
30		dev_err(card->dev, "DMic widget addition failed: %d\n", ret);
31		/* Don't need to add routes if widget addition failed */
32		return ret;
33	}
34
35	ret = snd_soc_dapm_add_routes(&card->dapm, dmic_map,
36				      ARRAY_SIZE(dmic_map));
37
38	if (ret)
39		dev_err(card->dev, "DMic map addition failed: %d\n", ret);
40
41	return ret;
42}
43