System Information
        Manufacturer: LENOVO
        Product Name: 20S1SBH600
        Version: ThinkPad T14 Gen 1
        Serial Number: PF22JXW6
        UUID: 6f7eec4c-2d1b-11b2-a85c-8372c07ecbde
        Wake-up Type: Power Switch
        SKU Number: LENOVO_MT_20S1_BU_Think_FM_ThinkPad T14 Gen 1
        Family: ThinkPad T14 Gen 1

sound

[    4.645562] sof-audio-pci 0000:00:1f.3: hda codecs found, mask 5
[    4.645563] sof-audio-pci 0000:00:1f.3: using HDA machine driver skl_hda_dsp_generic now
[    4.645566] sof-audio-pci 0000:00:1f.3: DMICs detected in NHLT tables: 2
[    4.645590] sof-audio-pci 0000:00:1f.3: firmware: failed to load intel/sof/sof-cml.ri (-2)
[    4.645591] sof-audio-pci 0000:00:1f.3: Direct firmware load for intel/sof/sof-cml.ri failed with error -2
[    4.645593] sof-audio-pci 0000:00:1f.3: error: request firmware intel/sof/sof-cml.ri failed err: -2
[    4.645593] sof-audio-pci 0000:00:1f.3: error: failed to load DSP firmware -2

firmware is not part of debian yet https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=960788

https://github.com/thesofproject/sof-bin