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But legacy AMD soc doesn't support such a feature. So skip adding the dai link for the same. Signed-off-by: Niranjan H Y Suggested-by: Vijendar Mukunda Reviewed-by: Bard Liao Reviewed-by: Vijendar Mukunda --- sound/soc/amd/acp/acp-sdw-legacy-mach.c | 32 +++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/sound/soc/amd/acp/acp-sdw-legacy-mach.c b/sound/soc/amd/acp/acp-sdw-legacy-mach.c index 1a05d4288..a8b62817b 100644 --- a/sound/soc/amd/acp/acp-sdw-legacy-mach.c +++ b/sound/soc/amd/acp/acp-sdw-legacy-mach.c @@ -265,6 +265,14 @@ static int create_sdw_dailink(struct snd_soc_card *card, if (!soc_end->dai_info->direction[stream]) continue; + /* + * skip adding reference stream for amp type + * as legacy AMD doesn't use the DSP. + */ + if (soc_end->dai_info->dai_type == SOC_SDW_DAI_TYPE_AMP && + stream == SNDRV_PCM_STREAM_CAPTURE) + continue; + int link_num = ffs(soc_end->link_mask) - 1; cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, @@ -448,6 +456,30 @@ static int soc_card_dai_links_create(struct snd_soc_card *card) sdw_be_num = ret; + /* + * Legacy AMD has no DSP, so AMP reference capture streams are not + * supported. Subtract them from num_devs so create_sdw_dailink() + * uses the correct count directly, and decrement sdw_be_num when + * all capture endpoints on a DAI are AMP type. + */ + for (int i = 0; i < num_ends; i++) { + struct asoc_sdw_dailink *d = &soc_dais[i]; + struct asoc_sdw_endpoint *e; + + if (!d->initialised) + break; + if (!d->num_devs[SNDRV_PCM_STREAM_CAPTURE]) + continue; + + list_for_each_entry(e, &d->endpoints, list) { + if (e->dai_info->direction[SNDRV_PCM_STREAM_CAPTURE] && + e->dai_info->dai_type == SOC_SDW_DAI_TYPE_AMP) + d->num_devs[SNDRV_PCM_STREAM_CAPTURE]--; + } + if (!d->num_devs[SNDRV_PCM_STREAM_CAPTURE]) + sdw_be_num--; + } + /* enable dmic */ if (soc_sdw_quirk & ASOC_SDW_ACP_DMIC) dmic_num = 1; -- 2.34.1