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linux/sound/soc/sdw_utils/soc_sdw_cs_amp.c
Vijendar Mukunda 5fa46627d5
ASoC: intel/sdw_utils: move cirrus soundwire codec helper functions
To make it generic, move Cirrus Soundwire codec helper functions to
common place holder so that it can be used by other platform machine
driver.

Link: https://github.com/thesofproject/linux/pull/5068
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://patch.msgid.link/20240801091446.10457-20-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-08-01 12:44:08 +01:00

65 lines
1.7 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
// This file incorporates work covered by the following copyright notice:
// Copyright (c) 2023 Intel Corporation
// Copyright (c) 2024 Advanced Micro Devices, Inc.
/*
* soc_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 <sound/soc_sdw_utils.h>
#define CODEC_NAME_SIZE 8
int asoc_sdw_cs_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
{
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 = { "Speaker", 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;
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;
}
EXPORT_SYMBOL_NS(asoc_sdw_cs_spk_rtd_init, SND_SOC_SDW_UTILS);
int asoc_sdw_cs_amp_init(struct snd_soc_card *card,
struct snd_soc_dai_link *dai_links,
struct asoc_sdw_codec_info *info,
bool playback)
{
/* Do init on playback link only. */
if (!playback)
return 0;
info->amp_num++;
return 0;
}
EXPORT_SYMBOL_NS(asoc_sdw_cs_amp_init, SND_SOC_SDW_UTILS);