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Description
When using Huawei matebook 13, it is found that the sound card it carries cannot recognize the input and output devices, the sound card information is as follows:
$ hwinfo --sound
13: PCI 1f.3: 0401 Multimedia audio controller
[Created at pci.386]
Unique ID: nS1_.mw3hUWAgijA
SysFS ID: /devices/pci0000:00/0000:00:1f.3
SysFS BusID: 0000:00:1f.3
Hardware Class: sound
Model: "Intel Multimedia audio controller"
Vendor: pci 0x8086 "Intel Corporation"
Device: pci 0xa0c8
SubVendor: pci 0x152d "QUANTA Computer Inc"
SubDevice: pci 0x1304
Revision: 0x20
Driver: "sof-audio-pci-intel-tgl"
Driver Modules: "snd_sof_pci_intel_tgl"
Memory Range: 0x6001120000-0x6001123fff (rw,non-prefetchable)
Memory Range: 0x6001000000-0x60010fffff (rw,non-prefetchable)
IRQ: 150 (11 events)
Module Alias: "pci:v00008086d0000A0C8sv0000152Dsd00001304bc04sc01i00"
Driver Info #0:
Driver Status: snd_hda_intel is active
Driver Activation Cmd: "modprobe snd_hda_intel"
Driver Info #1:
Driver Status: snd_sof_pci_intel_tgl is active
Driver Activation Cmd: "modprobe snd_sof_pci_intel_tgl"
Config Status: cfg=new, avail=yes, need=no, active=unknown
After the system is started, it is found that the /dev/snd directory contains only the following contents:
$ ls /dev/snd/
seq timer
For information obtained by alsa-info, refer to the following link:
https://github.com/imtangmeng/intel-audio/blob/master/alsa-info.txt.P5SStzeiTi