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1// SPDX-License-Identifier: GPL-2.0-only2// This file incorporates work covered by the following copyright notice:3// Copyright (c) 2023 Intel Corporation4// Copyright (c) 2024 Advanced Micro Devices, Inc.5 6/*7 * soc_sdw_cs_amp - Helpers to handle CS35L56 from generic machine driver8 */9 10#include <linux/device.h>11#include <linux/errno.h>12#include <sound/soc.h>13#include <sound/soc-acpi.h>14#include <sound/soc-dai.h>15#include <sound/soc_sdw_utils.h>16 17#define CODEC_NAME_SIZE 818 19int asoc_sdw_cs_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)20{21 const char *dai_name = rtd->dai_link->codecs->dai_name;22 struct snd_soc_card *card = rtd->card;23 char codec_name[CODEC_NAME_SIZE];24 char widget_name[16];25 struct snd_soc_dapm_route route = { "Speaker", NULL, widget_name };26 struct snd_soc_dai *codec_dai;27 int i, ret;28 29 snprintf(codec_name, CODEC_NAME_SIZE, "%s", dai_name);30 card->components = devm_kasprintf(card->dev, GFP_KERNEL,31 "%s spk:%s",32 card->components, codec_name);33 if (!card->components)34 return -ENOMEM;35 36 for_each_rtd_codec_dais(rtd, i, codec_dai) {37 if (!strstr(codec_dai->name, "cs35l56"))38 continue;39 40 snprintf(widget_name, sizeof(widget_name), "%s SPK",41 codec_dai->component->name_prefix);42 ret = snd_soc_dapm_add_routes(&card->dapm, &route, 1);43 if (ret)44 return ret;45 }46 47 return 0;48}49EXPORT_SYMBOL_NS(asoc_sdw_cs_spk_rtd_init, SND_SOC_SDW_UTILS);50 51int asoc_sdw_cs_amp_init(struct snd_soc_card *card,52 struct snd_soc_dai_link *dai_links,53 struct asoc_sdw_codec_info *info,54 bool playback)55{56 /* Do init on playback link only. */57 if (!playback)58 return 0;59 60 info->amp_num++;61 62 return 0;63}64EXPORT_SYMBOL_NS(asoc_sdw_cs_amp_init, SND_SOC_SDW_UTILS);65