Arch linux 没有声音解决

记一次 Arch linux 声卡修复

装了 blackarch 之后声音一直有问题，之前问 gpt 和 google 一直解决不了，只能一直不管。积累了一些 linux 经验之后今天很快解决了

问题

blackarch 没有声音，连耳机也不行

解决

运行 sudo dmesg | grep -C 10 -i error 查看所有驱动错误，其中 -C 10 是显示上下 10 行，-i 是忽略大小写。

[    5.522093] sof-audio-pci-intel-tgl 0000:00:1f.3: enabling device (0000 -> 0002)
[    5.522264] sof-audio-pci-intel-tgl 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if 0x040100
[    5.524408] sof-audio-pci-intel-tgl 0000:00:1f.3: use msi interrupt mode
[    5.539205] sof-audio-pci-intel-tgl 0000:00:1f.3: hda codecs found, mask 1
[    5.539207] sof-audio-pci-intel-tgl 0000:00:1f.3: using HDA machine driver skl_hda_dsp_generic now
[    5.539209] sof-audio-pci-intel-tgl 0000:00:1f.3: DMICs detected in NHLT tables: 2
[    5.539226] sof-audio-pci-intel-tgl 0000:00:1f.3: SOF firmware and/or topology file not found.
[    5.539227] sof-audio-pci-intel-tgl 0000:00:1f.3: Supported default profiles
[    5.539227] sof-audio-pci-intel-tgl 0000:00:1f.3: - ipc type 0 (Requested):
[    5.539228] sof-audio-pci-intel-tgl 0000:00:1f.3:  Firmware file: intel/sof/sof-adl.ri
[    5.539229] sof-audio-pci-intel-tgl 0000:00:1f.3:  Topology file: intel/sof-tplg/sof-hda-generic-2ch.tplg
[    5.539229] sof-audio-pci-intel-tgl 0000:00:1f.3: Check if you have 'sof-firmware' package installed.
[    5.539230] sof-audio-pci-intel-tgl 0000:00:1f.3: Optionally it can be manually downloaded from:
[    5.539230] sof-audio-pci-intel-tgl 0000:00:1f.3:    https://github.com/thesofproject/sof-bin/
[    5.539447] sof-audio-pci-intel-tgl 0000:00:1f.3: error: sof_probe_work failed err: -2

喂给 gpt 可以运行指令 sudo pacman -S sof-firmware