Bard Liao

@marmabiswas123 There is no IPC errors on pcm5. And I don't think aplay really play /dev/zero ``` aplay: set_params:1387: Sample format non available Available formats: - S16_LE - S24_LE -...

@vanheck Can you share the alsa-info? And please get the dmesg right after system boot. @rfvirgil FYI

I can't see the issue from the log. Have you tried arecord? Like `arecord -Dhw:0,10 -fDAT dmic.wav -vv`

@vanheck The LED is a different issue. Did it work with previous kernel and linux-firmware? Please try `arecord -Dhw:0,10 -fS32_LE -r48000 -c2 dmic.wav -vv`

"begin_wave:2736: Wave doesn't support S32_LE format..." looks like a regression of arecord. https://github.com/alsa-project/alsa-utils/commit/e78583ab7cde7a2ccbb56339dd51608fb78c5395 @charleskeepax It seems a `break` is required right before `default:` at line 2734, right? Not sure what...

> Downgrade to lib (alsa-lib, alsa-utils, and aplay) versions 1.2.12 any devices detect, no sound works (no speakers, no microphone). Downgrade to lib versions 1.2.13 the same as before. Downgrade...

So there is no error but can only record silence. @singalsu Could you take a look? Please find the amixer contents from https://github.com/user-attachments/files/24185046/alsa-info.txt. Below looks good to me. ``` control.191...

@vanheck Could you switch to the working kernel and linux-firmware and get the alsa-info of the working case? So that we can check what has been changed.

>2. DMIC not capturing real audio: While parecord can record (creates non-silent file with mean_volume: -53.2 dB), it only captures system beep at start and noise - NOT environmental sound...

> I use this command, and after restart sound devices are not detected (no speakers, no microphones): Hmm, I see below error in the dmesg log. ``` [ 28.579769] sof-audio-pci-intel-lnl...