1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun // Copyright (c) 2020 Intel Corporation
3*4882a593Smuzhiyun
4*4882a593Smuzhiyun /*
5*4882a593Smuzhiyun * sof_sdw_dmic - Helpers to handle dmic from generic machine driver
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #include <sound/soc.h>
9*4882a593Smuzhiyun #include <sound/soc-acpi.h>
10*4882a593Smuzhiyun #include <sound/soc-dapm.h>
11*4882a593Smuzhiyun #include "sof_sdw_common.h"
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun static const struct snd_soc_dapm_widget dmic_widgets[] = {
14*4882a593Smuzhiyun SND_SOC_DAPM_MIC("SoC DMIC", NULL),
15*4882a593Smuzhiyun };
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun static const struct snd_soc_dapm_route dmic_map[] = {
18*4882a593Smuzhiyun /* digital mics */
19*4882a593Smuzhiyun {"DMic", NULL, "SoC DMIC"},
20*4882a593Smuzhiyun };
21*4882a593Smuzhiyun
sof_sdw_dmic_init(struct snd_soc_pcm_runtime * rtd)22*4882a593Smuzhiyun int sof_sdw_dmic_init(struct snd_soc_pcm_runtime *rtd)
23*4882a593Smuzhiyun {
24*4882a593Smuzhiyun struct snd_soc_card *card = rtd->card;
25*4882a593Smuzhiyun int ret;
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets,
28*4882a593Smuzhiyun ARRAY_SIZE(dmic_widgets));
29*4882a593Smuzhiyun if (ret) {
30*4882a593Smuzhiyun dev_err(card->dev, "DMic widget addition failed: %d\n", ret);
31*4882a593Smuzhiyun /* Don't need to add routes if widget addition failed */
32*4882a593Smuzhiyun return ret;
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun ret = snd_soc_dapm_add_routes(&card->dapm, dmic_map,
36*4882a593Smuzhiyun ARRAY_SIZE(dmic_map));
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun if (ret)
39*4882a593Smuzhiyun dev_err(card->dev, "DMic map addition failed: %d\n", ret);
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun return ret;
42*4882a593Smuzhiyun }
43*4882a593Smuzhiyun
44