1、 安装检测工具

apt install inxi
# 查看声卡类型
inxi -SMA

System:    Host: dev Kernel: 5.10.0-14-amd64 x86_64 bits: 64 Desktop: KDE Plasma 5.20.5 Distro: Debian GNU/Linux 11 (bullseye) 
Machine:  ****** date: 10/08/2021 
Audio:     Device-1: Intel Comet Lake PCH-LP cAVS driver: snd_hda_intel 
           Sound Server: ALSA v: k5.10.0-14-amd64

2、firmware-sof-signed.deb

# 下载
# https://debian.pkgs.org/11/debian-nonfree-arm64/firmware-sof-signed_1.7-1_all.deb.html
wget http://ftp.de.debian.org/debian/pool/non-free/f/firmware-sof/firmware-sof-signed_1.7-1_all.deb
dpkg -i firmware-sof-signed_1.7-1_all.deb

3、修改grub

vim  /etc/default/grub
# change
GRUB_CMDLINE_LINUX_DEFAULT="quiet"
# to
GRUB_CMDLINE_LINUX_DEFAULT="quiet snd_hda_intel.dmic_detect=0"
# 更新grub
update-grub

4、重启系统