// SPDX-License-Identifier: GPL-2.0-only // Copyright (c) 2024 Intel Corporation /* * sof_sdw_rt_dmic - Helpers to handle Realtek SDW DMIC from generic machine driver */ #include #include #include #include #include "sof_board_helpers.h" #include "sof_sdw_common.h" static const char * const dmics[] = { "rt715", "rt712-sdca-dmic", }; int rt_dmic_rtd_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_card *card = rtd->card; struct snd_soc_component *component; struct snd_soc_dai *codec_dai; char *mic_name; codec_dai = get_codec_dai_by_name(rtd, dmics, ARRAY_SIZE(dmics)); if (!codec_dai) return -EINVAL; component = codec_dai->component; /* * rt715-sdca (aka rt714) is a special case that uses different name in card->components * and component->name_prefix. */ if (!strcmp(component->name_prefix, "rt714")) mic_name = devm_kasprintf(card->dev, GFP_KERNEL, "rt715-sdca"); else mic_name = devm_kasprintf(card->dev, GFP_KERNEL, "%s", component->name_prefix); card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s mic:%s", card->components, mic_name); if (!card->components) return -ENOMEM; dev_dbg(card->dev, "card->components: %s\n", card->components); return 0; } MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_BOARD_HELPERS);