我最近在 DELL Inspiron 7591 上安装了 Arch Linux，但扬声器或耳机不再发出声音。据说声音被重定向到虚拟输出。
但如果我连接蓝牙耳机，那就可以了。
我浏览了一些论坛帖子，但一无所知。这是人们在这些论坛上要求的一些内容的输出
$ also-info.sh
upload=true&script=true&cardinfo=
!!################################
!!ALSA Information Script v 0.4.65
!!################################
!!Script ran on: Wed Mar 31 09:45:37 UTC 2021
!!Linux Distribution
!!------------------
Arch Linux \r (\l) NAME="Arch Linux" PRETTY_NAME="Arch Linux" ID=arch HOME_URL="https://www.archlinux.org/" DOCUMENTATION_URL="https://wiki.archlinux.org/" SUPPORT_URL="https://bbs.archlinux.org/" BUG_REPORT_URL="https://bugs.archlinux.org/" LOGO=archlinux
!!DMI Information
!!---------------
Manufacturer: Dell Inc.
Product Name: Inspiron 7591
Product Version:
Firmware Version: 1.9.0
System SKU: 0923
Board Vendor: Dell Inc.
Board Name: 0M01WJ
!!ACPI Device Status Information
!!---------------
/sys/bus/acpi/devices/ACPI0003:00/status 15
/sys/bus/acpi/devices/ACPI000C:00/status 15
/sys/bus/acpi/devices/DELL0923:00/status 15
/sys/bus/acpi/devices/DLLK0923:00/status 15
/sys/bus/acpi/devices/INT33A1:00/status 15
/sys/bus/acpi/devices/INT33D5:00/status 15
/sys/bus/acpi/devices/INT3400:00/status 15
/sys/bus/acpi/devices/INT3403:00/status 15
/sys/bus/acpi/devices/INT3403:01/status 15
/sys/bus/acpi/devices/INT3403:02/status 15
/sys/bus/acpi/devices/INT3403:03/status 15
/sys/bus/acpi/devices/INT340E:00/status 15
/sys/bus/acpi/devices/INT3450:00/status 15
/sys/bus/acpi/devices/INT3F0D:00/status 15
/sys/bus/acpi/devices/LNXPOWER:00/status 1
/sys/bus/acpi/devices/LNXPOWER:01/status 1
/sys/bus/acpi/devices/LNXPOWER:04/status 1
/sys/bus/acpi/devices/LNXPOWER:05/status 15
/sys/bus/acpi/devices/LNXPOWER:06/status 1
/sys/bus/acpi/devices/LNXPOWER:07/status 1
/sys/bus/acpi/devices/LNXPOWER:08/status 1
/sys/bus/acpi/devices/LNXPOWER:09/status 1
/sys/bus/acpi/devices/LNXPOWER:0a/status 1
/sys/bus/acpi/devices/LNXPOWER:0b/status 1
/sys/bus/acpi/devices/MSFT0101:00/status 15
/sys/bus/acpi/devices/PNP0103:00/status 15
/sys/bus/acpi/devices/PNP0B00:00/status 15
/sys/bus/acpi/devices/PNP0C02:00/status 3
/sys/bus/acpi/devices/PNP0C02:03/status 3
/sys/bus/acpi/devices/PNP0C02:05/status 3
/sys/bus/acpi/devices/PNP0C04:00/status 31
/sys/bus/acpi/devices/PNP0C09:00/status 15
/sys/bus/acpi/devices/PNP0C0A:00/status 31
/sys/bus/acpi/devices/PNP0C0F:00/status 9
/sys/bus/acpi/devices/PNP0C0F:01/status 9
/sys/bus/acpi/devices/PNP0C0F:02/status 9
/sys/bus/acpi/devices/PNP0C0F:03/status 9
/sys/bus/acpi/devices/PNP0C0F:04/status 9
/sys/bus/acpi/devices/PNP0C0F:05/status 9
/sys/bus/acpi/devices/PNP0C0F:06/status 9
/sys/bus/acpi/devices/PNP0C0F:07/status 9
/sys/bus/acpi/devices/PRP00001:00/status 11
/sys/bus/acpi/devices/USBC000:00/status 15
/sys/bus/acpi/devices/device:09/status 15
!!Kernel Information
!!------------------
Kernel release: 5.11.10-arch1-1
Operating System: GNU/Linux
Architecture: x86_64
Processor: unknown
SMP Enabled: Yes
!!ALSA Version
!!------------
Driver version: k5.11.10-arch1-1
Library version: 1.2.4
Utilities version: 1.2.4
!!Loaded ALSA modules
!!-------------------
!!Sound Servers on this system
!!----------------------------
Pulseaudio:
Installed - Yes (/usr/bin/pulseaudio)
Running - Yes
Jack:
Installed - Yes (/usr/bin/jackd)
Running - No
!!Soundcards recognised by ALSA
!!-----------------------------
--- no soundcards ---
!!PCI Soundcards installed in the system
!!--------------------------------------
00:1f.3 Multimedia audio controller [0401]: Intel Corporation Cannon Lake PCH cAVS [8086:a348] (rev 10)
DeviceName: Onboard - Sound
!!Loaded sound module options
!!---------------------------
!!ALSA Device nodes
!!-----------------
crw-rw----+ 1 root audio 116, 1 Mar 31 14:48 /dev/snd/seq
crw-rw----+ 1 root audio 116, 33 Mar 31 14:48 /dev/snd/timer
!!Aplay/Arecord output
!!--------------------
APLAY
aplay: device_list:274: no soundcards found...
ARECORD
arecord: device_list:274: no soundcards found...
!!Amixer output
!!-------------
!!Alsactl output
!!--------------
--startcollapse--
--endcollapse--
!!All Loaded Modules
!!------------------
ac97_bus
acpi_pad
acpi_thermal_rel
aesni_intel
af_alg
agpgart
algif_hash
algif_skcipher
alienware_wmi
blake2b_generic
bluetooth
bnep
bpf_preload
btbcm
btintel
btrfs
btrtl
btusb
ccm
cec
cfg80211
cmac
coretemp
crc16
crc32_pclmul
crc32c_generic
crc32c_intel
crct10dif_pclmul
cros_ec
cros_ec_ishtp
cryptd
crypto_simd
crypto_user
dcdbas
dell_laptop
dell_smbios
dell_smm_hwmon
dell_wmi
dell_wmi_descriptor
dell_wmi_sysman
drm
drm_kms_helper
ecc
ecdh_generic
ee1004
fat
fb_sys_fops
fuse
ghash_clmulni_intel
glue_helper
hid_multitouch
hid_sensor_hub
i2c_algo_bit
i2c_hid
i2c_i801
i2c_smbus
i915
iTCO_vendor_support
iTCO_wdt
idma64
int3400_thermal
int3403_thermal
int340x_thermal_zone
intel_cstate
intel_gtt
intel_hid
intel_ish_ipc
intel_ishtp
intel_ishtp_hid
intel_ishtp_loader
intel_lpss
intel_lpss_pci
intel_pch_thermal
intel_pmc_bxt
intel_powerclamp
intel_rapl_common
intel_rapl_msr
intel_soc_dts_iosf
intel_uncore
intel_wmi_thunderbolt
ip_tables
irqbypass
iwlmvm
iwlwifi
joydev
kvm
kvm_intel
ledtrig_audio
libarc4
libcrc32c
mac80211
mac_hid
mc
mei
mei_hdcp
mei_me
mousedev
mxm_wmi
nvidia
nvidia_drm
nvidia_modeset
pcspkr
processor_thermal_device
processor_thermal_mbox
processor_thermal_rapl
processor_thermal_rfim
raid6_pq
rapl
rfcomm
rfkill
rng_core
serio_raw
snd
snd_compress
snd_hda_codec
snd_hda_codec_generic
snd_hda_codec_hdmi
snd_hda_codec_realtek
snd_hda_core
snd_hda_ext_core
snd_hda_intel
snd_hwdep
snd_intel_dspcfg
snd_pcm
snd_pcm_dmaengine
snd_soc_acpi
snd_soc_acpi_intel_match
snd_soc_core
snd_soc_dmic
snd_soc_hdac_hda
snd_soc_skl
snd_soc_sst_dsp
snd_soc_sst_ipc
snd_sof
snd_sof_intel_byt
snd_sof_intel_hda
snd_sof_intel_hda_common
snd_sof_intel_ipc
snd_sof_pci
snd_sof_xtensa_dsp
snd_timer
soundcore
soundwire_bus
soundwire_cadence
soundwire_generic_allocation
soundwire_intel
sparse_keymap
syscopyarea
sysfillrect
sysimgblt
thunderbolt
tpm
tpm_crb
tpm_tis
tpm_tis_core
typec
typec_ucsi
uas
ucsi_acpi
uinput
usb_storage
usbhid
uvcvideo
vfat
video
videobuf2_common
videobuf2_memops
videobuf2_v4l2
videobuf2_vmalloc
videodev
wmi
wmi_bmof
x86_pkg_temp_thermal
x_tables
xhci_pci
xhci_pci_renesas
xor
!!ALSA/HDA dmesg
!!--------------
$ lsmod | grep snd >> new.txt
snd_hda_codec_hdmi 73728 0
snd_hda_codec_realtek 147456 0
snd_hda_codec_generic 98304 1 snd_hda_codec_realtek
snd_soc_dmic 16384 0
snd_sof_pci 24576 0
snd_sof_intel_hda_common 102400 1 snd_sof_pci
snd_sof_intel_hda 20480 1 snd_sof_intel_hda_common
snd_sof_intel_byt 28672 1 snd_sof_pci
snd_sof_intel_ipc 20480 1 snd_sof_intel_byt
snd_sof 147456 4 snd_sof_pci,snd_sof_intel_hda_common,snd_sof_intel_byt,snd_sof_intel_ipc
snd_sof_xtensa_dsp 16384 2 snd_sof_intel_hda_common,snd_sof_intel_byt
snd_soc_skl 180224 0
snd_soc_hdac_hda 24576 2 snd_sof_intel_hda_common,snd_soc_skl
snd_hda_ext_core 36864 4 snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_soc_skl,snd_sof_intel_hda
snd_soc_sst_ipc 20480 1 snd_soc_skl
snd_soc_sst_dsp 40960 1 snd_soc_skl
snd_soc_acpi_intel_match 49152 3 snd_sof_pci,snd_sof_intel_hda_common,snd_soc_skl
snd_soc_acpi 16384 4 snd_soc_acpi_intel_match,snd_sof_intel_hda_common,snd_sof_intel_byt,snd_soc_skl
snd_hda_intel 57344 0
snd_intel_dspcfg 28672 4 snd_hda_intel,snd_sof_pci,snd_sof_intel_hda_common,snd_soc_skl
soundwire_intel 45056 2 snd_sof_intel_hda_common,snd_intel_dspcfg
snd_hda_codec 172032 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek,snd_soc_hdac_hda
ledtrig_audio 16384 3 snd_hda_codec_generic,snd_sof,dell_laptop
snd_hda_core 106496 10 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_hda_codec_realtek,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_soc_skl,snd_sof_intel_hda
snd_hwdep 16384 1 snd_hda_codec
snd_soc_core 331776 6 soundwire_intel,snd_sof,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_soc_skl,snd_soc_dmic
snd_compress 32768 1 snd_soc_core
ac97_bus 16384 1 snd_soc_core
snd_pcm_dmaengine 16384 1 snd_soc_core
snd_pcm 147456 12 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,soundwire_intel,snd_sof,snd_sof_intel_hda_common,snd_sof_intel_ipc,snd_compress,snd_soc_core,snd_soc_skl,snd_hda_core,snd_pcm_dmaengine
snd_timer 45056 1 snd_pcm
snd 114688 10 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_compress,snd_soc_core,snd_pcm
soundcore 16384 1 snd
$ systemctl status alsa-state.service
● alsa-state.service - Manage Sound Card State (restore and store)
Loaded: loaded (/usr/lib/systemd/system/alsa-state.service; static)
Active: inactive (dead)
$ systemctl status alsa-restore.service
● alsa-restore.service - Save/Restore Sound Card State
Loaded: loaded (/usr/lib/systemd/system/alsa-restore.service; static)
Active: inactive (dead)
这核心也没有检测到它。
$ cat /proc/asound/cards
--- no soundcards ---
$ ls -l /dev/snd/
total 0
crw-rw----+ 1 root audio 116, 1 Mar 31 14:48 seq
crw-rw----+ 1 root audio 116, 33 Mar 31 14:48 timer
答案1
https://bbs.archlinux.org/viewtopic.php?pid=1965434#p1965434
我在这个论坛上找到了答案。显然安装软件固件 alsa-ucm-conf 就可以工作了。