You should consider updating system BIOS
laptops and netbooks :: yoga series :: yoga 7 15itl5 - Lenovo Support US
With current kernel the audio device is recognised correctly:
0000:00:1f.3 Multimedia audio controller [0401]: Intel Corporation Tiger Lake-LP Smart Sound Technology Audio Controller [8086:a0c8] (rev 20) Subsystem: Lenovo Device [17aa:3832]
But error messages show problems loading the Sound Open Firmware driver
[ 7.305811] sof-audio-pci-intel-tgl 0000:00:1f.3: Direct firmware load for intel/sof/sof-tgl.ri failed with error -2
[ 7.305814] sof-audio-pci-intel-tgl 0000:00:1f.3: error: request firmware intel/sof/sof-tgl.ri failed err: -2
[ 7.305815] sof-audio-pci-intel-tgl 0000:00:1f.3: error: failed to load DSP firmware -2
[ 7.306087] sof-audio-pci-intel-tgl 0000:00:1f.3: error: sof_probe_work failed err: -2
Kernel v5.14 should be able to load driver sof-audio-pci-intel-tgl
for audio devices to function in ALSA correctly
ALSA data also shows 2 sound servers running
PipeWire:
Installed - Yes (/usr/bin/pipewire)
Running - No
Pulseaudio:
Installed - Yes (/usr/bin/pulseaudio)
Running - Yes