Re: [PATCH 06/13] ASoC: amd: acp: move ignore_internal_dmic gate to DMIC enable condition

From: Mukunda,Vijendar

Date: Sun Oct 18 2026 - 22:52:14 EST


On 18/10/26 22:29, Pierre-Louis Bossart wrote:
> On 10/14/26 12:16, Vijendar Mukunda wrote:
>> Move the ignore_internal_dmic check from inside the dmic_num > 0 block
>> to the DMIC enable condition itself. This eliminates the dead if/else
>> inside the dmic_num > 0 block - when dmic_num is set,
>> create_dmic_dailinks() is always called. Demote the suppression message
>> from dev_warn to dev_dbg since ignoring the ACP DMIC in favour of a
>> SoundWire DMIC codec is expected behaviour, not a warning condition.
>>
>> No functional change for platforms without a SoundWire DMIC codec.
>>
>> Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@xxxxxxx>
>> ---
>> sound/soc/amd/acp/acp-sdw-sof-mach.c | 18 +++++++++---------
>> 1 file changed, 9 insertions(+), 9 deletions(-)
>>
>> diff --git a/sound/soc/amd/acp/acp-sdw-sof-mach.c b/sound/soc/amd/acp/acp-sdw-sof-mach.c
>> index ac4c9e852f671..1207e35ffb581 100644
>> --- a/sound/soc/amd/acp/acp-sdw-sof-mach.c
>> +++ b/sound/soc/amd/acp/acp-sdw-sof-mach.c
>> @@ -351,9 +351,13 @@ static int sof_card_dai_links_create(struct snd_soc_card *card)
>> sdw_be_num = ret;
>>
>> /* enable dmic */
>> - if (sof_sdw_quirk & ASOC_SDW_ACP_DMIC || mach_params->dmic_num ||
>> - amd_ctx->pdm_sel)
>> + if ((sof_sdw_quirk & ASOC_SDW_ACP_DMIC || mach_params->dmic_num ||
>> + amd_ctx->pdm_sel) && !ctx->ignore_internal_dmic)
>> dmic_num = 1;
>> + else if (ctx->ignore_internal_dmic &&
>> + (sof_sdw_quirk & ASOC_SDW_ACP_DMIC ||
>> + mach_params->dmic_num || amd_ctx->pdm_sel))
>> + dev_dbg(dev, "ACP DMIC suppressed by SoundWire DMIC\n");
> this looks weird with the same boolean tested twice, can't this be made
> simpler with
Thanks for catching that. It was overlooked. I'll simplify it as suggested.
>
> if (sof_sdw_quirk & ASOC_SDW_ACP_DMIC || mach_params->dmic_num ||
> amd_ctx->pdm_sel)
> if (ctx->ignore_internal_dmic)
> dev_dbg(dev, "ACP DMIC suppressed by SoundWire DMIC\n");
> else
> dmic_num = 1;
>
>>
>> dev_dbg(dev, "sdw %d, dmic %d", sdw_be_num, dmic_num);
>>
>> @@ -384,13 +388,9 @@ static int sof_card_dai_links_create(struct snd_soc_card *card)
>>
>> /* dmic */
>> if (dmic_num > 0) {
>> - if (ctx->ignore_internal_dmic) {
>> - dev_warn(dev, "Ignoring ACP DMIC\n");
>> - } else {
>> - ret = create_dmic_dailinks(card, &dai_links, &be_id, 1);
>> - if (ret)
>> - return ret;
>> - }
>> + ret = create_dmic_dailinks(card, &dai_links, &be_id, 1);
>> + if (ret)
>> + return ret;
>> }
>>
>> WARN_ON(codec_conf != card->codec_conf + card->num_configs);