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// SPDX-License-Identifier: GPL-2.0-only
// Copyright (c) 2023 Intel Corporation
/*
* sof_sdw_cs_amp - Helpers to handle CS35L56 from generic machine driver
*/
#include <linux/device.h>
#include <linux/errno.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include <sound/soc-dai.h>
#include "sof_sdw_common.h"
#define CODEC_NAME_SIZE 8
static const struct snd_soc_dapm_widget sof_widgets[] = {
SND_SOC_DAPM_SPK("Speakers", NULL),
};
int cs_spk_rtd_init(struct snd_soc_pcm_runtime *rtd)
{
const char *dai_name = rtd->dai_link->codecs->dai_name;
struct snd_soc_card *card = rtd->card;
char codec_name[CODEC_NAME_SIZE];
char widget_name[16];
struct snd_soc_dapm_route route = { "Speakers", NULL, widget_name };
struct snd_soc_dai *codec_dai;
int i, ret;
snprintf(codec_name, CODEC_NAME_SIZE, "%s", dai_name);
card->components = devm_kasprintf(card->dev, GFP_KERNEL,
"%s spk:%s",
card->components, codec_name);
if (!card->components)
return -ENOMEM;
ret = snd_soc_dapm_new_controls(&card->dapm, sof_widgets,
ARRAY_SIZE(sof_widgets));
if (ret) {
dev_err(card->dev, "widgets addition failed: %d\n", ret);
return ret;
}
for_each_rtd_codec_dais(rtd, i, codec_dai) {
if (!strstr(codec_dai->name, "cs35l56"))
continue;
snprintf(widget_name, sizeof(widget_name), "%s SPK",
codec_dai->component->name_prefix);
ret = snd_soc_dapm_add_routes(&card->dapm, &route, 1);
if (ret)
return ret;
}
return 0;
}
int 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)
{
/* Do init on playback link only. */
if (!playback)
return 0;
info->amp_num++;
return 0;
}
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