Question Dummy Output after upgrade Ubuntu 19.10 -> 20.04

[YellowFish]

Dummy Output after upgrade Ubuntu 19.10 -> 20.04

Please advise how to get sound to work after this upgrade...



my@my-pc:~$ inxi -SMA
System:
Host: my-pc Kernel: 5.4.0-29-generic x86_64 bits: 64
Desktop: Gnome 3.36.1 Distro: Ubuntu 20.04 LTS (Focal Fossa)
Machine:
Type: Laptop System: Dell product: Vostro 5590 v: N/A
serial: <superuser/root required>
Mobo: Dell model: 0TWCX2 v: A00 serial: <superuser/root required>
UEFI: Dell v: 1.2.1 date: 09/05/2019
Audio:
Device-1: Intel driver: sof-audio-pci
Sound Server: ALSA v: k5.4.0-29-generic

lsmod
Module Size Used by
vboxnetadp 28672 0
vboxnetflt 28672 0
vboxdrv 487424 2 vboxnetadp,vboxnetflt
ccm 20480 3
aufs 262144 0
cmac 16384 5
algif_hash 16384 2
algif_skcipher 16384 2
af_alg 24576 10 algif_hash,algif_skcipher
overlay 114688 0
bnep 24576 2
snd_soc_skl_hda_dsp 24576 0
snd_soc_hdac_hdmi 36864 1 snd_soc_skl_hda_dsp
snd_soc_dmic 16384 1
snd_hda_codec_hdmi 61440 1
snd_hda_codec_realtek 118784 1
snd_hda_codec_generic 81920 1 snd_hda_codec_realtek
x86_pkg_temp_thermal 20480 0
intel_powerclamp 20480 0
mei_hdcp 24576 0
coretemp 20480 0
kvm_intel 286720 0
snd_sof_pci 20480 0
snd_sof_intel_hda_common 69632 1 snd_sof_pci
snd_soc_hdac_hda 24576 1 snd_sof_intel_hda_common
snd_sof_intel_hda 20480 1 snd_sof_intel_hda_common
snd_sof_intel_byt 20480 1 snd_sof_pci
intel_rapl_msr 20480 0
snd_sof_intel_ipc 20480 1 snd_sof_intel_byt
snd_sof 106496 4 snd_sof_pci,snd_sof_intel_hda_common,snd_sof_intel_byt,snd_sof_intel_ipc
kvm 663552 1 kvm_intel
snd_sof_xtensa_dsp 16384 1 snd_sof_pci
snd_hda_ext_core 28672 4 snd_sof_intel_hda_common,snd_soc_hdac_hdmi,snd_soc_hdac_hda,snd_sof_intel_hda
snd_soc_acpi_intel_match 32768 2 snd_sof_pci,snd_sof_intel_hda_common
snd_soc_acpi 16384 2 snd_sof_pci,snd_soc_acpi_intel_match
snd_intel_dspcfg 24576 2 snd_sof_pci,snd_sof_intel_hda_common
snd_hda_codec 131072 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_soc_hdac_hda,snd_soc_skl_hda_dsp
snd_hda_core 90112 10 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_ext_core,snd_hda_codec,snd_hda_codec_realtek,snd_sof_intel_hda_common,snd_soc_hdac_hdmi,snd_soc_hdac_hda,snd_sof_intel_hda,snd_soc_skl_hda_dsp
snd_hwdep 20480 1 snd_hda_codec
crct10dif_pclmul 16384 1
nls_iso8859_1 16384 1
snd_soc_core 245760 6 snd_sof,snd_sof_intel_hda_common,snd_soc_hdac_hdmi,snd_soc_hdac_hda,snd_soc_dmic,snd_soc_skl_hda_dsp
snd_compress 24576 1 snd_soc_core
ghash_clmulni_intel 16384 0
ac97_bus 16384 1 snd_soc_core
snd_pcm_dmaengine 16384 1 snd_soc_core
dell_laptop 24576 0
joydev 24576 0
btusb 57344 0
snd_pcm 106496 8 snd_hda_codec_hdmi,snd_hda_codec,snd_sof,snd_sof_intel_hda_common,snd_soc_hdac_hdmi,snd_soc_core,snd_hda_core,snd_pcm_dmaengine
ledtrig_audio 16384 4 snd_hda_codec_generic,snd_hda_codec_realtek,snd_sof,dell_laptop
uvcvideo 98304 0
videobuf2_vmalloc 20480 1 uvcvideo
dell_smm_hwmon 20480 0
videobuf2_memops 20480 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
btrtl 24576 1 btusb
snd_seq_midi 20480 0
videobuf2_common 49152 2 videobuf2_v4l2,uvcvideo
iwlmvm 380928 0
aesni_intel 372736 9
snd_seq_midi_event 16384 1 snd_seq_midi
dell_wmi 20480 0
btbcm 16384 1 btusb
crypto_simd 16384 1 aesni_intel
dell_smbios 28672 2 dell_wmi,dell_laptop
snd_rawmidi 36864 1 snd_seq_midi
cryptd 24576 4 crypto_simd,ghash_clmulni_intel
btintel 24576 1 btusb
glue_helper 16384 1 aesni_intel
dcdbas 20480 1 dell_smbios
mac80211 843776 1 iwlmvm
videodev 225280 3 videobuf2_v4l2,uvcvideo,videobuf2_common
libarc4 16384 1 mac80211
bluetooth 581632 26 btrtl,btintel,btbcm,bnep,btusb
snd_seq 69632 2 snd_seq_midi,snd_seq_midi_event
intel_cstate 20480 0
intel_rapl_perf 20480 0
mc 53248 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
input_leds 16384 0
iwlwifi 331776 1 iwlmvm
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
serio_raw 20480 0
ecdh_generic 16384 2 bluetooth
dell_wmi_descriptor 20480 2 dell_wmi,dell_smbios
ecc 28672 1 ecdh_generic
snd_timer 36864 2 snd_seq,snd_pcm
intel_wmi_thunderbolt 20480 0
wmi_bmof 16384 0
snd 90112 13 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_compress,snd_soc_core,snd_pcm,snd_soc_skl_hda_dsp,snd_rawmidi
mei_me 40960 1
cfg80211 704512 3 iwlmvm,iwlwifi,mac80211
soundcore 16384 1 snd
hid_multitouch 28672 0
mei 106496 3 mei_hdcp,mei_me
ucsi_acpi 16384 0
cros_ec_ishtp 20480 0
processor_thermal_device 24576 0
cros_ec 20480 1 cros_ec_ishtp
intel_rapl_common 24576 2 intel_rapl_msr,processor_thermal_device
intel_soc_dts_iosf 20480 1 processor_thermal_device
typec_ucsi 40960 1 ucsi_acpi
typec 45056 1 typec_ucsi
int3403_thermal 16384 0
soc_button_array 20480 0
int340x_thermal_zone 16384 2 int3403_thermal,processor_thermal_device
mac_hid 16384 0
int3400_thermal 20480 0
acpi_thermal_rel 16384 1 int3400_thermal
intel_hid 20480 0
acpi_tad 16384 0
sparse_keymap 16384 2 intel_hid,dell_wmi
acpi_pad 184320 0
sch_fq_codel 20480 2
parport_pc 40960 0
ppdev 24576 0
lp 20480 0
parport 53248 3 parport_pc,lp,ppdev
ip_tables 32768 0
x_tables 40960 1 ip_tables
autofs4 45056 2
raid10 57344 0
raid456 155648 0
async_raid6_recov 24576 1 raid456
async_memcpy 20480 2 raid456,async_raid6_recov
async_pq 24576 2 raid456,async_raid6_recov
async_xor 20480 3 async_pq,raid456,async_raid6_recov
async_tx 20480 5 async_pq,async_memcpy,async_xor,raid456,async_raid6_recov
xor 24576 1 async_xor
raid6_pq 114688 3 async_pq,raid456,async_raid6_recov
libcrc32c 16384 1 raid456
raid1 45056 0
raid0 24576 0
multipath 20480 0
linear 20480 0
usbhid 57344 0
hid_sensor_custom 24576 0
hid_sensor_hub 24576 1 hid_sensor_custom
intel_ishtp_loader 24576 0
intel_ishtp_hid 24576 0
hid_generic 16384 0
i915 1986560 16
i2c_algo_bit 16384 1 i915
drm_kms_helper 184320 1 i915
crc32_pclmul 16384 0
psmouse 155648 0
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
nvme 49152 2
fb_sys_fops 16384 1 drm_kms_helper
i2c_i801 32768 0
nvme_core 102400 4 nvme
r8169 90112 0
drm 491520 10 drm_kms_helper,i915
intel_lpss_pci 20480 0
realtek 24576 1
intel_lpss 16384 1 intel_lpss_pci
idma64 20480 0
ahci 40960 0
intel_ish_ipc 24576 0
i2c_hid 28672 0
virt_dma 20480 1 idma64
libahci 32768 1 ahci
intel_ishtp 49152 4 cros_ec_ishtp,intel_ishtp_hid,intel_ish_ipc,intel_ishtp_loader
hid 131072 6 i2c_hid,usbhid,hid_multitouch,hid_sensor_hub,intel_ishtp_hid,hid_generic
wmi 32768 5 intel_wmi_thunderbolt,dell_wmi,wmi_bmof,dell_smbios,dell_wmi_descriptor
video 49152 3 dell_wmi,dell_laptop,i915
pinctrl_cannonlake 36864 0
pinctrl_intel 28672 1 pinctrl_cannonlake

 

[YellowFish]

lspci -v
00:00.0 Host bridge: Intel Corporation Device 9b61 (rev 0c)
Subsystem: Dell Device 095a
Flags: bus master, fast devsel, latency 0
Capabilities: <access denied>

00:02.0 VGA compatible controller: Intel Corporation UHD Graphics (rev 02) (prog-if 00 [VGA controller])
DeviceName: To Be Filled by O.E.M.
Subsystem: Dell UHD Graphics
Flags: bus master, fast devsel, latency 0, IRQ 129
Memory at c0000000 (64-bit, non-prefetchable) [size=16M]
Memory at b0000000 (64-bit, prefetchable) [size=256M]
I/O ports at 5000
Expansion ROM at 000c0000 [virtual] [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: i915
Kernel modules: i915

00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 0c)
Subsystem: Dell Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem
Flags: fast devsel, IRQ 16
Memory at c2310000 (64-bit, non-prefetchable) [size=32K]
Capabilities: <access denied>
Kernel driver in use: proc_thermal
Kernel modules: processor_thermal_device

00:08.0 System peripheral: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model
Subsystem: Dell Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model
Flags: fast devsel, IRQ 255
Memory at c2326000 (64-bit, non-prefetchable) [disabled] [size=4K]
Capabilities: <access denied>

00:12.0 Signal processing controller: Intel Corporation Comet Lake Thermal Subsytem
Subsystem: Dell Comet Lake Thermal Subsytem
Flags: fast devsel, IRQ 255
Memory at c2327000 (64-bit, non-prefetchable) [disabled] [size=4K]
Capabilities: <access denied>

00:13.0 Serial controller: Intel Corporation Comet Lake Integrated Sensor Solution (prog-if 00 [8250])
Subsystem: Dell Comet Lake Integrated Sensor Solution
Flags: bus master, fast devsel, latency 0, IRQ 20
Memory at c2320000 (64-bit, non-prefetchable) [size=8K]
Capabilities: <access denied>
Kernel driver in use: intel_ish_ipc
Kernel modules: intel_ish_ipc

00:14.0 USB controller: Intel Corporation Device 02ed (prog-if 30 [XHCI])
Subsystem: Dell Device 095a
Flags: bus master, medium devsel, latency 0, IRQ 125
Memory at c2300000 (64-bit, non-prefetchable) [size=64K]
Capabilities: <access denied>
Kernel driver in use: xhci_hcd

00:14.2 RAM memory: Intel Corporation Device 02ef
Subsystem: Dell Device 095a
Flags: fast devsel
Memory at c2322000 (64-bit, non-prefetchable) [disabled] [size=8K]
Memory at c2328000 (64-bit, non-prefetchable) [disabled] [size=4K]
Capabilities: <access denied>

00:14.3 Network controller: Intel Corporation Wireless-AC 9462
Subsystem: Intel Corporation Wireless-AC 9462
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at c2318000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi

00:15.0 Serial bus controller [0c80]: Intel Corporation Serial IO I2C Host Controller
Subsystem: Dell Serial IO I2C Host Controller
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at 8f800000 (64-bit, non-prefetchable) [virtual] [size=4K]
Capabilities: <access denied>
Kernel driver in use: intel-lpss
Kernel modules: intel_lpss_pci

00:16.0 Communication controller: Intel Corporation Comet Lake Management Engine Interface
Subsystem: Dell Comet Lake Management Engine Interface
Flags: bus master, fast devsel, latency 0, IRQ 138
Memory at c232a000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: mei_me
Kernel modules: mei_me

00:17.0 SATA controller: Intel Corporation Comet Lake SATA AHCI Controller (prog-if 01 [AHCI 1.0])
Subsystem: Dell Comet Lake SATA AHCI Controller
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 126
Memory at c2324000 (32-bit, non-prefetchable) [size=8K]
Memory at c232e000 (32-bit, non-prefetchable)
I/O ports at 5080
I/O ports at 5088
I/O ports at 5060
Memory at c232d000 (32-bit, non-prefetchable) [size=2K]
Capabilities: <access denied>
Kernel driver in use: ahci
Kernel modules: ahci

00:1c.0 PCI bridge: Intel Corporation Device 02bc (rev f0) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 122
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
I/O behind bridge: 00004000-00004fff [size=4K]
Memory behind bridge: c1000000-c1ffffff [size=16M]
Prefetchable memory behind bridge: 0000000090000000-00000000a1ffffff [size=288M]
Capabilities: <access denied>
Kernel driver in use: pcieport

00:1d.0 PCI bridge: Intel Corporation Device 02b0 (rev f0) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 123
Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
I/O behind bridge: 00003000-00003fff [size=4K]
Memory behind bridge: c2200000-c22fffff [size=1M]
Prefetchable memory behind bridge: [disabled]
Capabilities: <access denied>
Kernel driver in use: pcieport

00:1d.4 PCI bridge: Intel Corporation Device 02b4 (rev f0) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 124
Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
I/O behind bridge: [disabled]
Memory behind bridge: c2100000-c21fffff [size=1M]
Prefetchable memory behind bridge: [disabled]
Capabilities: <access denied>
Kernel driver in use: pcieport

00:1f.0 ISA bridge: Intel Corporation Device 0284
Subsystem: Dell Device 095a
Flags: bus master, fast devsel, latency 0

00:1f.3 Multimedia audio controller: Intel Corporation Device 02c8
Subsystem: Dell Device 095a
Flags: bus master, fast devsel, latency 64, IRQ 149
Memory at c231c000 (64-bit, non-prefetchable) [size=16K]
Memory at c2000000 (64-bit, non-prefetchable) [size=1M]
Capabilities: <access denied>
Kernel driver in use: sof-audio-pci
Kernel modules: snd_hda_intel, snd_sof_pci

00:1f.4 SMBus: Intel Corporation Device 02a3
Subsystem: Dell Device 095a
Flags: medium devsel, IRQ 16
Memory at c232b000 (64-bit, non-prefetchable)
I/O ports at efa0
Kernel driver in use: i801_smbus
Kernel modules: i2c_i801

00:1f.5 Serial bus controller [0c80]: Intel Corporation Comet Lake SPI (flash) Controller
Subsystem: Dell Comet Lake SPI (flash) Controller
Flags: fast devsel
Memory at fe010000 (32-bit, non-prefetchable) [size=4K]

01:00.0 3D controller: NVIDIA Corporation GP108M [GeForce MX250] (rev a1)
Subsystem: Dell GP108M [GeForce MX250]
Flags: fast devsel, IRQ 255
Memory at c1000000 (32-bit, non-prefetchable) [disabled] [size=16M]
Memory at 90000000 (64-bit, prefetchable) [disabled] [size=256M]
Memory at a0000000 (64-bit, prefetchable) [disabled] [size=32M]
I/O ports at 4000 [disabled]
Expansion ROM at <ignored> [disabled]
Capabilities: <access denied>
Kernel modules: nvidiafb, nouveau, nvidia_drm, nvidia

02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
Subsystem: Dell RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
Flags: bus master, fast devsel, latency 0, IRQ 16
I/O ports at 3000
Memory at c2204000 (64-bit, non-prefetchable) [size=4K]
Memory at c2200000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: r8169
Kernel modules: r8169

03:00.0 Non-Volatile memory controller: KIOXIA Corporation Device 0001 (prog-if 02 [NVM Express])
Subsystem: KIOXIA Corporation Device 0001
Flags: bus master, fast devsel, latency 0, IRQ 16, NUMA node 0
Memory at c2100000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: nvme
Kernel modules: nvme