Here are the outputs to some commands:
aplay -l: aplay: device_list:274: no soundcards found...
lspci -v: 00:00.0 Host bridge: Intel Corporation Comet Lake-U v1 4c Host Bridge/DRAM Controller (rev 0c)
DeviceName: Onboard - Other
Subsystem: Intel Corporation Comet Lake-U v1 4c Host Bridge/DRAM Controller
Flags: bus master, fast devsel, latency 0
Capabilities: <access denied>
Kernel driver in use: skl_uncore
00:02.0 VGA compatible controller: Intel Corporation CometLake-U GT2 [UHD Graphics] (rev 02) (prog-if 00 [VGA controller])
DeviceName: Onboard - Video
Subsystem: nCipher Security CometLake-U GT2 [UHD Graphics]
Flags: bus master, fast devsel, latency 0, IRQ 139
Memory at b0000000 (64-bit, non-prefetchable) [size=16M]
Memory at a0000000 (64-bit, prefetchable) [size=256M]
I/O ports at 3000 [size=64]
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)
DeviceName: Onboard - Other
Subsystem: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem
Flags: fast devsel, IRQ 16
Memory at b1110000 (64-bit, non-prefetchable) [size=32K]
Capabilities: <access denied>
Kernel driver in use: proc_thermal
Kernel modules: processor_thermal_device_pci_legacy
00:08.0 System peripheral: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model
DeviceName: Onboard - Other
Subsystem: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model
Flags: fast devsel, IRQ 255
Memory at b1132000 (64-bit, non-prefetchable) [disabled] [size=4K]
Capabilities: <access denied>
00:12.0 Signal processing controller: Intel Corporation Comet Lake Thermal Subsytem
DeviceName: Onboard - Other
Subsystem: Intel Corporation Comet Lake Thermal Subsytem
Flags: fast devsel, IRQ 16
Memory at b1131000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: intel_pch_thermal
Kernel modules: intel_pch_thermal
00:14.0 USB controller: Intel Corporation Comet Lake PCH-LP USB 3.1 xHCI Host Controller (prog-if 30 [XHCI])
DeviceName: Onboard - Other
Subsystem: Intel Corporation Comet Lake PCH-LP USB 3.1 xHCI Host Controller
Flags: bus master, medium devsel, latency 0, IRQ 122
Memory at b1100000 (64-bit, non-prefetchable) [size=64K]
Capabilities: <access denied>
Kernel driver in use: xhci_hcd
Kernel modules: xhci_pci
00:14.2 RAM memory: Intel Corporation Comet Lake PCH-LP Shared SRAM
DeviceName: Onboard - Other
Subsystem: Intel Corporation Comet Lake PCH-LP Shared SRAM
Flags: fast devsel
Memory at b1122000 (64-bit, non-prefetchable) [disabled] [size=8K]
Memory at b1130000 (64-bit, non-prefetchable) [disabled] [size=4K]
Capabilities: <access denied>
00:14.3 Network controller: Intel Corporation Comet Lake PCH-LP CNVi WiFi
DeviceName: Onboard - Ethernet
Subsystem: Intel Corporation Comet Lake PCH-LP CNVi WiFi
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at b111c000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
00:14.5 SD Host controller: Intel Corporation Comet Lake PCH-LP SCS3 (prog-if 01)
DeviceName: Onboard - Other
Subsystem: Intel Corporation Comet Lake PCH-LP SCS3
Flags: bus master, fast devsel, latency 0, IRQ 19
Memory at b112f000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: sdhci-pci
Kernel modules: sdhci_pci
00:15.0 Serial bus controller: Intel Corporation Serial IO I2C Host Controller
DeviceName: Onboard - Other
Subsystem: Intel Corporation Serial IO I2C Host Controller
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at 9f800000 (64-bit, non-prefetchable) [virtual] [size=4K]
Capabilities: <access denied>
Kernel driver in use: intel-lpss
Kernel modules: intel_lpss_pci
00:15.1 Serial bus controller: Intel Corporation Comet Lake Serial IO I2C Host Controller
DeviceName: Onboard - Other
Subsystem: Intel Corporation Comet Lake Serial IO I2C Host Controller
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at 9f801000 (64-bit, non-prefetchable) [virtual] [size=4K]
Capabilities: <access denied>
Kernel driver in use: intel-lpss
Kernel modules: intel_lpss_pci
00:15.2 Serial bus controller: Intel Corporation Comet Lake PCH-LP LPSS: I2C Controller #2
DeviceName: Onboard - Other
Subsystem: Intel Corporation Comet Lake PCH-LP LPSS: I2C Controller
Flags: bus master, fast devsel, latency 0, IRQ 18
Memory at 9f802000 (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
DeviceName: Onboard - Other
Subsystem: Intel Corporation Comet Lake Management Engine Interface
Flags: bus master, fast devsel, latency 0, IRQ 127
Memory at b112b000 (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])
DeviceName: Onboard - SATA
Subsystem: Intel Corporation Comet Lake SATA AHCI Controller
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 123
Memory at b1120000 (32-bit, non-prefetchable) [size=8K]
Memory at b112a000 (32-bit, non-prefetchable) [size=256]
I/O ports at 3090 [size=8]
I/O ports at 3080 [size=4]
I/O ports at 3060 [size=32]
Memory at b1129000 (32-bit, non-prefetchable) [size=2K]
Capabilities: <access denied>
Kernel driver in use: ahci
Kernel modules: ahci
00:19.0 Serial bus controller: Intel Corporation Comet Lake Serial IO I2C Host Controller
DeviceName: Onboard - Other
Subsystem: Intel Corporation Comet Lake Serial IO I2C Host Controller
Flags: bus master, fast devsel, latency 0, IRQ 32
Memory at 9f803000 (64-bit, non-prefetchable) [virtual] [size=4K]
Capabilities: <access denied>
Kernel driver in use: intel-lpss
Kernel modules: intel_lpss_pci
00:1a.0 SD Host controller: Intel Corporation Device 02c4 (prog-if 01)
DeviceName: Onboard - Other
Subsystem: Intel Corporation Device 7270
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at b1127000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: sdhci-pci
Kernel modules: sdhci_pci
00:1e.0 Communication controller: Intel Corporation Device 02a8
DeviceName: Onboard - Other
Subsystem: Intel Corporation Device 7270
Flags: bus master, fast devsel, latency 0, IRQ 20
Memory at 9f804000 (64-bit, non-prefetchable) [virtual] [size=4K]
Capabilities: <access denied>
Kernel driver in use: intel-lpss
Kernel modules: intel_lpss_pci
00:1e.3 Serial bus controller: Intel Corporation Device 02ab
DeviceName: Onboard - Other
Subsystem: Intel Corporation Device 7270
Flags: bus master, fast devsel, latency 0, IRQ 23
Memory at 9f805000 (64-bit, non-prefetchable) [virtual] [size=4K]
Capabilities: <access denied>
Kernel driver in use: intel-lpss
Kernel modules: intel_lpss_pci
00:1f.0 ISA bridge: Intel Corporation Comet Lake PCH-LP LPC Premium Controller/eSPI Controller
DeviceName: Onboard - Other
Subsystem: Intel Corporation Comet Lake PCH-LP LPC Premium Controller/eSPI Controller
Flags: bus master, medium devsel, latency 0
00:1f.3 Multimedia audio controller: Intel Corporation Comet Lake PCH-LP cAVS
DeviceName: Onboard - Sound
Subsystem: Device 2782:0200
Flags: bus master, fast devsel, latency 32, IRQ 140
Memory at b1118000 (64-bit, non-prefetchable) [size=16K]
Memory at b1000000 (64-bit, non-prefetchable) [size=1M]
Capabilities: <access denied>
Kernel driver in use: sof-audio-pci-intel-cnl
Kernel modules: snd_hda_intel, snd_sof_pci_intel_cnl
00:1f.4 SMBus: Intel Corporation Comet Lake PCH-LP SMBus Host Controller
DeviceName: Onboard - Other
Subsystem: Intel Corporation Comet Lake PCH-LP SMBus Host Controller
Flags: medium devsel, IRQ 16
Memory at b1124000 (64-bit, non-prefetchable) [size=256]
I/O ports at efa0 [size=32]
Kernel driver in use: i801_smbus
Kernel modules: i2c_i801
00:1f.5 Serial bus controller: Intel Corporation Comet Lake SPI (flash) Controller
DeviceName: Onboard - Other
Subsystem: Intel Corporation Comet Lake SPI (flash) Controller
Flags: fast devsel
Memory at fe010000 (32-bit, non-prefetchable) [size=4K]
Kernel driver in use: intel-spi
Kernel modules: spi_intel_pci
lsmod | grep snd: snd_soc_sof_es8336 20480 0
snd_soc_intel_hda_dsp_common 20480 1 snd_soc_sof_es8336
snd_sof_probes 20480 0
snd_hda_codec_hdmi 86016 0
snd_soc_dmic 16384 0
snd_sof_pci_intel_cnl 16384 0
snd_sof_intel_hda_common 139264 1 snd_sof_pci_intel_cnl
soundwire_intel 40960 1 snd_sof_intel_hda_common
snd_sof_intel_hda 20480 1 snd_sof_intel_hda_common
snd_sof_pci 24576 2 snd_sof_intel_hda_common,snd_sof_pci_intel_cnl
snd_sof_xtensa_dsp 16384 1 snd_sof_intel_hda_common
snd_sof 208896 3 snd_sof_pci,snd_sof_intel_hda_common,snd_sof_probes
snd_sof_utils 20480 1 snd_sof
snd_soc_hdac_hda 24576 1 snd_sof_intel_hda_common
snd_hda_ext_core 36864 3 snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_sof_intel_hda
snd_soc_acpi_intel_match 69632 2 snd_sof_intel_hda_common,snd_sof_pci_intel_cnl
snd_soc_acpi 16384 2 snd_soc_acpi_intel_match,snd_sof_intel_hda_common
snd_hda_intel 53248 0
snd_intel_dspcfg 36864 2 snd_hda_intel,snd_sof_intel_hda_common
snd_soc_es8316 49152 0
snd_seq_midi 20480 0
snd_intel_sdw_acpi 20480 2 snd_sof_intel_hda_common,snd_intel_dspcfg
snd_seq_midi_event 16384 1 snd_seq_midi
snd_hda_codec 176128 4 snd_hda_codec_hdmi,snd_hda_intel,snd_soc_intel_hda_dsp_common,snd_soc_hdac_hda
snd_soc_core 368640 8 soundwire_intel,snd_sof,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_soc_sof_es8336,snd_sof_probes,snd_soc_es8316,snd_soc_dmic
snd_hda_core 114688 8 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_soc_intel_hda_dsp_common,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_sof_intel_hda
snd_compress 24576 2 snd_soc_core,snd_sof_probes
snd_rawmidi 45056 1 snd_seq_midi
ac97_bus 16384 1 snd_soc_core
snd_hwdep 20480 1 snd_hda_codec
snd_pcm_dmaengine 20480 1 snd_soc_core
snd_seq 77824 2 snd_seq_midi,snd_seq_midi_event
snd_pcm 155648 12 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,soundwire_intel,snd_sof,snd_sof_intel_hda_common,snd_compress,snd_soc_core,snd_sof_utils,snd_soc_es8316,snd_hda_core,snd_pcm_dmaengine
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
snd_timer 40960 2 snd_seq,snd_pcm
snd 114688 13 snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_sof,snd_timer,snd_compress,snd_soc_core,snd_soc_sof_es8336,snd_pcm,snd_rawmidi
soundcore 16384 1 snd
dmesg | grep -i audio: dmesg: read kernel buffer failed: Operation not permitted
I also did sudo alsa force-reload but to no avail.
Can someone kindly assist.
Thanks
