Re: [PATCH] ASoC: sdw_utils: Add RT721 speaker component tag

[Liao, Bard]

On 7/6/2026 12:50 AM, Marco Griep wrote:
> Hi Mark,
> 
> On my system it doesn't.
> 
> With the standalone RT721 ACP70 machine entry, |card->components|does
> not end up containing |spk:rt721|, so the RT721 speaker device is
> missing from the UCM component list. As a result, UCM doesn't include
> the speaker device and PipeWire only exposes the headset devices.

Please file an issue on https://github.com/thesofproject/linux/issues
with alsa-info output. I will take a look. We should fix the issue
instead of adding the spk tag back to asoc_sdw_rt_mf_sdca_spk_rtd_init()

> 
> Appending |spk:rt721|from |asoc_sdw_rt_mf_sdca_spk_rtd_init()|fixes that
> on my ASUS Vivobook S16 M3607GA (ACP70 + RT721-SDCA). After the change,
> UCM exposes the expected Speaker, Headphones, Internal Mic and Headset
> devices.
> 
> If the token is expected to be added by |asoc_sdw_rtd_init()|, I'd be
> happy to investigate why that doesn't happen with this machine
> configuration.
> 
> 
> Best Regards
> 
> Marco
> 
> 
> Am 05.07.26 um 14:49 schrieb Liao, Bard:
>>
>>> -----Original Message-----
>>> From: Marco Griep <mail@xxxxxxxxxxxxx>
>>> Sent: Saturday, July 4, 2026 8:51 PM
>>> To: Mark Brown <broonie@xxxxxxxxxx>; Liam Girdwood <lgirdwood@xxxxxxxxx>
>>> Cc: Jaroslav Kysela <perex@xxxxxxxx>; Takashi Iwai <tiwai@xxxxxxxx>;
>>> Charles
>>> Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx>; Kuninori Morimoto
>>> <kuninori.morimoto.gx@xxxxxxxxxxx>; linux-sound@xxxxxxxxxxxxxxx; linux-
>>> kernel@xxxxxxxxxxxxxxx; Marco Griep <mail@xxxxxxxxxxxxx>
>>> Subject: [PATCH] ASoC: sdw_utils: Add RT721 speaker component tag
>>>
>>> The RT721 multifunction SDCA speaker helper adds the DAPM routes for
>>> its internal speaker path, but it does not add the corresponding
>>> spk:rt721 token to card->components.
>> .component_name = "rt721", is set in the rt721 codec info in
>> codec_info_list[]. And the "spk" tag will be added in the
>> asoc_sdw_rtd_init() function. Doesn't it work on your device?
>>
>>> UCM uses that token to include the RT721 speaker device. Without it,
>>> systems with standalone RT721 expose the ALSA SmartAmp PCM but PipeWire
>>> only sees the headset devices.
>>>
>>> Append the speaker codec token from the RT721 multifunction SDCA speaker
>>> runtime init path so UCM can create the internal speaker route.
>>>
>>> Tested on an ASUS Vivobook S16 M3607GA with ACP70 SoundWire RT721-SDCA.
>>> With the standalone RT721 ACP70 machine entry, this makes the HiFi
>>> profile expose Speaker, Headphones, internal Mic and Headset devices.
>>>
>>> Signed-off-by: Marco Griep <mail@xxxxxxxxxxxxx>
>>> ---
>>>   sound/soc/sdw_utils/soc_sdw_rt_mf_sdca.c | 6 ++++++
>>>   1 file changed, 6 insertions(+)
>>>
>>> diff --git a/sound/soc/sdw_utils/soc_sdw_rt_mf_sdca.c
>>> b/sound/soc/sdw_utils/soc_sdw_rt_mf_sdca.c
>>> index 5bf3627a97a0..e895397eefd6 100644
>>> --- a/sound/soc/sdw_utils/soc_sdw_rt_mf_sdca.c
>>> +++ b/sound/soc/sdw_utils/soc_sdw_rt_mf_sdca.c
>>> @@ -74,6 +74,12 @@ int asoc_sdw_rt_mf_sdca_spk_rtd_init(struct
>>> snd_soc_pcm_runtime *rtd, struct snd
>>>           return -EINVAL;
>>>       }
>>>
>>> +    card->components = devm_kasprintf(card->dev, GFP_KERNEL,
>>> +                      "%s spk:%s",
>>> +                      card->components, codec_name);
>>> +    if (!card->components)
>>> +        return -ENOMEM;
>>> +
>>>       /* Add routes */
>>>       ret = snd_soc_dapm_add_routes(dapm, route_map->route_map,
>>> route_map->route_size);
>>>       if (ret)
>>>
>>> base-commit: 1e9cdc2ea15adf4a821eefedabf6c0c8cf0b6a55
>>> -- 
>>> 2.55.0
>>>
>