u20380

I have tried to record from the internal microphone as per your recommendations. Again the result was a short glitch. ~> amixer -c0 cset name='Dmic0 Capture Volume' 70 numid=37,iface=MIXER,name='Dmic0 Capture...

[20250211 rec.zip](https://github.com/user-attachments/files/18810739/20250211.rec.zip) I found out that zip files can be uploaded. The audio wav file is zipped up in the attached archive.

I hope this is what you wanted me to do. In /lib/firmware/intel/sof-tplg/ I renamed intel/sof-tplg/sof-hda-generic-**2**ch.tplg to save it temporarily. Then copied intel/sof-tplg/sof-hda-generic-**4**ch.tplg to intel/sof-tplg/sof-hda-generic-**2**ch.tplg And then I started recording with...

Checking the settings of the soundcard with the four channel driver: **~> amixer contents** numid=4,iface=MIXER,name='Master Playback Switch' ; type=BOOLEAN,access=rw------,values=1 : **values=off** numid=3,iface=MIXER,name='Master Playback Volume' ; type=INTEGER,access=rw------,values=2,min=0,max=65536,step=1 : values=65536,65536 numid=2,iface=MIXER,name='Capture Switch'...

arecord -Dhw:0,6 -f S32_LE -r 48000 -c 4 -d 5 rec.wav Recording WAVE 'rec.wav' : Signed 32 bit Little Endian, Rate 48000 Hz, Channels 4 Does "Channels 4" indicate that...

Here it shows only two capture devices: cat /proc/asound/devices 1: : sequencer 2: [ 0- 6]: digital audio capture 3: [ 0- 7]: digital audio capture 4: [ 0- 0]:...

Alsamixer shows two digital microphones, each with L and R, I can only toggle Dmic0 on and off. 

I did - with a positive outcome.

Its a Fujitsu/Siemens Lifebook E5512. I have submitted a request for Fujitsu customer support to provide information about the audio setup.

Here is the response from Fujitsu customer support. I have asked for more detailed information, like an electrical wiring scheme. **Quote** Unfortunately, this was the feedback from our team: “Linux...