$ lspci
00:1f.3 Audio device: Intel Corporation Cannon Point-LP High Definition Audio Controller (rev 11)
$ sudo lspci -v -s 00:1f.3
00:1f.3 Audio device: Intel Corporation Cannon Point-LP High Definition Audio Controller (rev 11) (prog-if 80)
Subsystem: Lenovo Cannon Point-LP High Definition Audio Controller
Flags: bus master, fast devsel, latency 64, IRQ 165
Memory at ea23c000 (64-bit, non-prefetchable) [size=16K]
Memory at ea000000 (64-bit, non-prefetchable) [size=1M]
Capabilities: [50] Power Management version 3
Capabilities: [80] Vendor Specific Information: Len=14 <?>
Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
Kernel driver in use: sof-audio-pci
Kernel modules: snd_hda_intel, snd_sof_pci
$ hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x67
$ hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x3000
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