1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (c) 2023 Intel Corporation
3
4 /*
5 * sof_sdw_cs_amp - Helpers to handle CS35L56 from generic machine driver
6 */
7
8 #include <linux/device.h>
9 #include <linux/errno.h>
10 #include <sound/soc.h>
11 #include <sound/soc-acpi.h>
12 #include "sof_sdw_common.h"
13
14 #define CODEC_NAME_SIZE 8
15
cs_spk_init(struct snd_soc_pcm_runtime * rtd)16 static int cs_spk_init(struct snd_soc_pcm_runtime *rtd)
17 {
18 const char *dai_name = rtd->dai_link->codecs->dai_name;
19 struct snd_soc_card *card = rtd->card;
20 char codec_name[CODEC_NAME_SIZE];
21
22 snprintf(codec_name, CODEC_NAME_SIZE, "%s", dai_name);
23 card->components = devm_kasprintf(card->dev, GFP_KERNEL,
24 "%s spk:%s",
25 card->components, codec_name);
26 if (!card->components)
27 return -ENOMEM;
28
29 return 0;
30 }
31
32
sof_sdw_cs_amp_init(struct snd_soc_card * card,const struct snd_soc_acpi_link_adr * link,struct snd_soc_dai_link * dai_links,struct sof_sdw_codec_info * info,bool playback)33 int sof_sdw_cs_amp_init(struct snd_soc_card *card,
34 const struct snd_soc_acpi_link_adr *link,
35 struct snd_soc_dai_link *dai_links,
36 struct sof_sdw_codec_info *info,
37 bool playback)
38 {
39 /* Count amp number and do init on playback link only. */
40 if (!playback)
41 return 0;
42
43 info->amp_num++;
44 dai_links->init = cs_spk_init;
45
46 return 0;
47 }
48
