Re: [linux-next] (new?) audio issues on Qualcomm sm8550

[Srinivas Kandagatla <srinivas.kandagatla@oss.qualcomm.com>]

Thanks Alexey for reporting this

On 12/11/25 1:01 PM, Alexey Klimov wrote:
> Hi all,
> 
> I am reporting new errors here because I soon lose access to some devices.
> Please let me know what is the proper way to report this if this is not the right
> thing to do.
> 
> I've started to see new errors on sm8550-qrd for a while now with recent linux-nexts:
> (also reproduced with today's next-20251211)
> 
>  qcom-soundwire 6d30000.soundwire: dout-ports (0) mismatch with controller (1)
I think we discussed this briefly in this thread
https://www.spinics.net/lists/devicetree/msg837844.html

This is very much the expected behavior. There is a bug in the dt entry
of 6d30000.soundwire controller, which missed dout port in frame shaping
data.



>  wcd938x_codec audio-codec: bound sdw:2:0:0217:010d:00:4 (ops wcd_sdw_component_ops [snd_soc_wcd_common])
>  wcd938x_codec audio-codec: bound sdw:3:0:0217:010d:00:3 (ops wcd_sdw_component_ops [snd_soc_wcd_common])
>  wsa_macro 6b00000.codec: using zero-initialized flat cache, this may cause unexpected behavior
>  snd-sc8280xp sound: ASoC: Parent card not yet available, widget card binding deferred
>  va_macro 6d44000.codec: supply vdd-micb not found, using dummy regulator
>  wcd938x_codec audio-codec: Impedance detect ramp error, c1=0, x1=0x0
>  wcd938x_codec audio-codec: Impedance detect ramp error, c1=0, x1=0x0
>  wcd938x_codec audio-codec: Impedance detect ramp error, c1=0, x1=0x0
> 
> I also think that changing volume via 'WSA_RX{0,1} Digital Volume' no longer works. It used to work before.
> Impedance ramp error seems to occur occasionaly, I don't think this one is critical.

this is interesting, I can try to reproduce that.

--srini>
> Best regards,
> Alexey
>