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 
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 
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