Fedora 31 sound issues (Dell Inspiron 5491)

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Hello! A while ago I installed Fedora 31 (KDE Spin) on my laptop (Inspiron 5491) and I’m unable to get sound from my internal laptop speakers or through the audio jack. I am able to get sound output through Bluetooth, but it’s incredibly quiet even when volume is increased to 150%. I have tried the steps shown here.

alsa-info.txt:
upload=true&script=true&cardinfo=
!!################################
!!ALSA Information Script v 0.4.64
!!################################

!!Script ran on: Sun Mar 22 01:17:35 UTC 2020


!!Linux Distribution
!!------------------

Fedora release 31 (Thirty One) NAME=Fedora ID=fedora PRETTY_NAME="Fedora 31 (KDE Plasma)" LOGO=fedora-logo-icon CPE_NAME="cpe:/o:fedoraproject:fedora:31" HOME_URL="https://fedoraproject.org/" DOCUMENTATION_URL="https://docs.fedoraproject.org/en-US/fedora/f31/system-administrators-guide/" SUPPORT_URL="https://fedoraproject.org/wiki/Communicating_and_getting_help" BUG_REPORT_URL="https://bugzilla.redhat.com/" REDHAT_BUGZILLA_PRODUCT="Fedora" REDHAT_BUGZILLA_PRODUCT_VERSION=31 REDHAT_SUPPORT_PRODUCT="Fedora" REDHAT_SUPPORT_PRODUCT_VERSION=31 PRIVACY_POLICY_URL="https://fedoraproject.org/wiki/Legal:PrivacyPolicy" Fedora release 31 (Thirty One) Fedora release 31 (Thirty One)


!!DMI Information
!!---------------

Manufacturer:      Dell Inc.
Product Name:      Inspiron 5491 2n1
Product Version:   
Firmware Version:  1.4.0
Board Vendor:      Dell Inc.
Board Name:        0N1HC9


!!ACPI Device Status Information
!!---------------

/sys/bus/acpi/devices/ACPI0003:00/status 	 15
/sys/bus/acpi/devices/ACPI000C:00/status 	 15
/sys/bus/acpi/devices/ACPI000E:00/status 	 15
/sys/bus/acpi/devices/CUST0000:00/status 	 15
/sys/bus/acpi/devices/CUST0000:01/status 	 15
/sys/bus/acpi/devices/DELL095D:00/status 	 15
/sys/bus/acpi/devices/DLLK095D:00/status 	 15
/sys/bus/acpi/devices/INT0E0C:00/status 	 15
/sys/bus/acpi/devices/INT33A1:00/status 	 15
/sys/bus/acpi/devices/INT33D2:00/status 	 11
/sys/bus/acpi/devices/INT33D3:00/status 	 15
/sys/bus/acpi/devices/INT33D4:00/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/INT340E:00/status 	 15
/sys/bus/acpi/devices/INT34BB:00/status 	 15
/sys/bus/acpi/devices/INT3F0D:00/status 	 15
/sys/bus/acpi/devices/LNXPOWER:00/status 	 15
/sys/bus/acpi/devices/LNXPOWER:01/status 	 1
/sys/bus/acpi/devices/LNXPOWER:02/status 	 1
/sys/bus/acpi/devices/LNXPOWER:03/status 	 1
/sys/bus/acpi/devices/LNXPOWER:04/status 	 1
/sys/bus/acpi/devices/MSFT0101:00/status 	 15
/sys/bus/acpi/devices/PNP0103:00/status 	 15
/sys/bus/acpi/devices/PNP0C02:00/status 	 3
/sys/bus/acpi/devices/PNP0C02:01/status 	 3
/sys/bus/acpi/devices/PNP0C02:05/status 	 3
/sys/bus/acpi/devices/PNP0C09:00/status 	 15
/sys/bus/acpi/devices/PNP0C0A:00/status 	 31
/sys/bus/acpi/devices/PNP0C0C:00/status 	 15
/sys/bus/acpi/devices/PRP00001:00/status 	 11
/sys/bus/acpi/devices/USBC000:00/status 	 15
/sys/bus/acpi/devices/device:0f/status 	 15
/sys/bus/acpi/devices/device:64/status 	 15


!!Kernel Information
!!------------------

Kernel release:    5.5.10-200.fc31.x86_64
Operating System:  GNU/Linux
Architecture:      x86_64
Processor:         x86_64
SMP Enabled:       Yes


!!ALSA Version
!!------------

Driver version:     k5.5.10-200.fc31.x86_64
Library version:    
Utilities version:  1.2.2


!!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 Device [8086:02c8]
	Subsystem: Dell Device [1028:095d]


!!Loaded sound module options
!!---------------------------


!!ALSA Device nodes
!!-----------------

crw-rw----+ 1 root audio 116,  1 Mar 21 20:49 /dev/snd/seq
crw-rw----+ 1 root audio 116, 33 Mar 21 20:49 /dev/snd/timer


!!ALSA configuration files
!!------------------------

!!System wide config file (/etc/asound.conf)

#
# Place your global alsa-lib configuration here...
#


!!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_tad
acpi_thermal_rel
bluetooth
bnep
btbcm
btintel
btrtl
btusb
ccm
cfg80211
cmac
coretemp
crc32_pclmul
crc32c_intel
crct10dif_pclmul
dcdbas
dell_laptop
dell_smbios
dell_smm_hwmon
dell_wmi
dell_wmi_descriptor
drm
drm_kms_helper
ebtable_broute
ebtable_filter
ebtable_nat
ebtables
ecc
ecdh_generic
fat
fuse
ghash_clmulni_intel
hid_multitouch
hid_sensor_accel_3d
hid_sensor_gyro_3d
hid_sensor_hub
hid_sensor_iio_common
hid_sensor_incl_3d
hid_sensor_magn_3d
hid_sensor_rotation
hid_sensor_trigger
i2c_algo_bit
i2c_hid
i2c_i801
i915
iTCO_vendor_support
iTCO_wdt
idma64
industrialio
industrialio_triggered_buffer
int3400_thermal
int3403_thermal
int340x_thermal_zone
intel_cstate
intel_hid
intel_ish_ipc
intel_ishtp
intel_ishtp_hid
intel_ishtp_loader
intel_powerclamp
intel_rapl_common
intel_rapl_msr
intel_rapl_perf
intel_soc_dts_iosf
intel_uncore
intel_wmi_thunderbolt
ip6_tables
ip6t_REJECT
ip6t_rpfilter
ip6table_filter
ip6table_mangle
ip6table_nat
ip6table_raw
ip6table_security
ip_set
ip_tables
ipt_REJECT
iptable_filter
iptable_mangle
iptable_nat
iptable_raw
iptable_security
irqbypass
iwlmvm
iwlwifi
joydev
kfifo_buf
kvm
kvm_intel
ledtrig_audio
libarc4
libcrc32c
loop
mac80211
mc
mei
mei_hdcp
mei_me
nf_conntrack
nf_defrag_ipv4
nf_defrag_ipv6
nf_nat
nf_reject_ipv4
nf_reject_ipv6
nfnetlink
nvme
nvme_core
pcspkr
pinctrl_cannonlake
pinctrl_intel
processor_thermal_device
rfcomm
rfkill
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_seq
snd_seq_device
snd_soc_acpi
snd_soc_acpi_intel_match
snd_soc_core
snd_soc_dmic
snd_soc_hdac_hda
snd_soc_hdac_hdmi
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
soc_button_array
soundcore
sparse_keymap
squashfs
sunrpc
typec
typec_ucsi
ucsi_acpi
uvcvideo
vfat
video
videobuf2_common
videobuf2_memops
videobuf2_v4l2
videobuf2_vmalloc
videodev
wmi
wmi_bmof
x86_pkg_temp_thermal
xt_conntrack
zstd_decompress


!!ALSA/HDA dmesg
!!--------------

[    0.324748] ACPI: Added _OSI(Linux-Dell-Video)
[    0.324748] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
[    0.324748] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)
--
[    4.765767] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0)
[    4.828543] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100
[    4.829712] snd_hda_intel 0000:00:1f.3: Digital mics found on Skylake+ platform, using SOF driver
[    4.859561] iwlwifi 0000:00:14.3: Detected Intel(R) Wireless-AC 9560 160MHz, REV=0x354
[    4.994526] snd_soc_skl 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100
[    4.994902] snd_soc_skl 0000:00:1f.3: Digital mics found on Skylake+ platform, using SOF driver
[    5.010160] iwlwifi 0000:00:14.3: base HW address: 98:af:65:26:fe:71
--
[    5.040779] sof-audio-pci 0000:00:1f.3: use msi interrupt mode
[    5.044908] sof-audio-pci 0000:00:1f.3: hda codecs found, mask 5
[    5.044909] sof-audio-pci 0000:00:1f.3: using HDA machine driver skl_hda_dsp_generic now
[    5.069455] sof-audio-pci 0000:00:1f.3: Direct firmware load for intel/sof/sof-cml.ri failed with error -2

lspci output:
00:00.0 Host bridge: Intel Corporation Device 9b61 (rev 0c)
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics (rev 02)
00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 0c)
00:08.0 System peripheral: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model
00:12.0 Signal processing controller: Intel Corporation Comet Lake Thermal Subsytem
00:13.0 Serial controller: Intel Corporation Comet Lake Integrated Sensor Solution
00:14.0 USB controller: Intel Corporation Device 02ed
00:14.2 RAM memory: Intel Corporation Device 02ef
00:14.3 Network controller: Intel Corporation Wireless-AC 9462
00:15.0 Serial bus controller [0c80]: Intel Corporation Serial IO I2C Host Controller
00:15.1 Serial bus controller [0c80]: Intel Corporation Device 02e9
00:16.0 Communication controller: Intel Corporation Comet Lake Management Engine Interface
00:17.0 SATA controller: Intel Corporation Comet Lake SATA AHCI Controller
00:1d.0 PCI bridge: Intel Corporation Device 02b4 (rev f0)
00:1f.0 ISA bridge: Intel Corporation Device 0284
00:1f.3 Multimedia audio controller: Intel Corporation Device 02c8
00:1f.4 SMBus: Intel Corporation Device 02a3
00:1f.5 Serial bus controller [0c80]: Intel Corporation Comet Lake SPI (flash) Controller
01:00.0 Non-Volatile memory controller: Device 1e0f:0001

off-topic: aren’t the laptops usually being too quiet?  My is.