Sound card not detected on Fedora 40 (Kernel v6.9.4)

Ask Fedora
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21

No, its just a laptop

22

but you using
Thunderbolt™ 4

23

my laptop has 2 thunderbolt 4 port and i am using one for charging and the other one is free. i have connected litteraly nothing to it.

24

just to test remove all connection to thunderbolt and reboot charging too

25

removed everything and rebooted.

$ lspci -k
0000:00:00.0 Host bridge: Intel Corporation Device 7d14 (rev 04)
	Subsystem: Acer Incorporated [ALI] Device 171f
	Kernel driver in use: igen6_edac
	Kernel modules: igen6_edac
0000:00:02.0 VGA compatible controller: Intel Corporation Meteor Lake-P [Intel Arc Graphics] (rev 08)
	Subsystem: Acer Incorporated [ALI] Device 171f
	Kernel driver in use: i915
	Kernel modules: i915, xe
0000:00:04.0 Signal processing controller: Intel Corporation Meteor Lake-P Dynamic Tuning Technology (rev 04)
	Subsystem: Acer Incorporated [ALI] Device 171f
	Kernel driver in use: proc_thermal_pci
	Kernel modules: processor_thermal_device_pci
0000:00:07.0 PCI bridge: Intel Corporation Meteor Lake-P Thunderbolt 4 PCI Express Root Port #0 (rev 10)
	Subsystem: Acer Incorporated [ALI] Device 171f
	Kernel driver in use: pcieport
0000:00:07.2 PCI bridge: Intel Corporation Meteor Lake-P Thunderbolt 4 PCI Express Root Port #2 (rev 10)
	Subsystem: Acer Incorporated [ALI] Device 171f
	Kernel driver in use: pcieport
0000:00:08.0 System peripheral: Intel Corporation Meteor Lake-P Gaussian & Neural-Network Accelerator (rev 20)
	Subsystem: Acer Incorporated [ALI] Device 171f
0000:00:0a.0 Signal processing controller: Intel Corporation Meteor Lake-P Platform Monitoring Technology (rev 01)
	Kernel driver in use: intel_vsec
	Kernel modules: intel_vsec
0000:00:0b.0 Processing accelerators: Intel Corporation Meteor Lake NPU (rev 04)
	Subsystem: Acer Incorporated [ALI] Device 171f
	Kernel modules: intel_vpu
0000:00:0d.0 USB controller: Intel Corporation Meteor Lake-P Thunderbolt 4 USB Controller (rev 10)
	Kernel driver in use: xhci_hcd
0000:00:0d.2 USB controller: Intel Corporation Meteor Lake-P Thunderbolt 4 NHI #0 (rev 10)
	Subsystem: Acer Incorporated [ALI] Device 171f
	Kernel driver in use: thunderbolt
	Kernel modules: thunderbolt
0000:00:0d.3 USB controller: Intel Corporation Meteor Lake-P Thunderbolt 4 NHI #1 (rev 10)
	Subsystem: Acer Incorporated [ALI] Device 171f
	Kernel driver in use: thunderbolt
	Kernel modules: thunderbolt
0000:00:0e.0 RAID bus controller: Intel Corporation Volume Management Device NVMe RAID Controller Intel Corporation
	Subsystem: Acer Incorporated [ALI] Device 171f
	Kernel driver in use: vmd
	Kernel modules: vmd
0000:00:14.0 USB controller: Intel Corporation Meteor Lake-P USB 3.2 Gen 2x1 xHCI Host Controller (rev 20)
	Subsystem: Acer Incorporated [ALI] Device 171f
	Kernel driver in use: xhci_hcd
0000:00:14.2 RAM memory: Intel Corporation Device 7e7f (rev 20)
	Subsystem: Acer Incorporated [ALI] Device 171f
0000:00:14.3 Network controller: Intel Corporation Meteor Lake PCH CNVi WiFi (rev 20)
	Subsystem: Rivet Networks Device 1672
	Kernel driver in use: iwlwifi
	Kernel modules: iwlwifi
0000:00:15.0 Serial bus controller: Intel Corporation Meteor Lake-P Serial IO I2C Controller #0 (rev 20)
	Subsystem: Acer Incorporated [ALI] Device 171f
	Kernel driver in use: intel-lpss
0000:00:15.1 Serial bus controller: Intel Corporation Meteor Lake-P Serial IO I2C Controller #1 (rev 20)
	Subsystem: Acer Incorporated [ALI] Device 171f
	Kernel driver in use: intel-lpss
0000:00:15.2 Serial bus controller: Intel Corporation Meteor Lake-P Serial IO I2C Controller #2 (rev 20)
	Subsystem: Acer Incorporated [ALI] Device 171f
	Kernel driver in use: intel-lpss
0000:00:15.3 Serial bus controller: Intel Corporation Meteor Lake-P Serial IO I2C Controller #3 (rev 20)
	Subsystem: Acer Incorporated [ALI] Device 171f
	Kernel driver in use: intel-lpss
0000:00:16.0 Communication controller: Intel Corporation Meteor Lake-P CSME HECI #1 (rev 20)
	Subsystem: Acer Incorporated [ALI] Device 171f
	Kernel driver in use: mei_me
	Kernel modules: mei_me
0000:00:19.0 Serial bus controller: Intel Corporation Meteor Lake-P Serial IO I2C Controller #4 (rev 20)
	Subsystem: Acer Incorporated [ALI] Device 171f
	Kernel driver in use: intel-lpss
0000:00:19.1 Serial bus controller: Intel Corporation Meteor Lake-P Serial IO I2C Controller #5 (rev 20)
	Subsystem: Acer Incorporated [ALI] Device 171f
	Kernel driver in use: intel-lpss
0000:00:1f.0 ISA bridge: Intel Corporation Device 7e02 (rev 20)
	Subsystem: Acer Incorporated [ALI] Device 171f
0000:00:1f.3 Multimedia audio controller: Intel Corporation Meteor Lake-P HD Audio Controller (rev 20)
	Subsystem: Acer Incorporated [ALI] Device 171f
	Kernel driver in use: sof-audio-pci-intel-mtl
	Kernel modules: snd_hda_intel, snd_sof_pci_intel_mtl
0000:00:1f.4 SMBus: Intel Corporation Meteor Lake-P SMBus Controller (rev 20)
	Subsystem: Acer Incorporated [ALI] Device 171f
	Kernel driver in use: i801_smbus
	Kernel modules: i2c_i801
0000:00:1f.5 Serial bus controller: Intel Corporation Meteor Lake-P SPI Controller (rev 20)
	Subsystem: Acer Incorporated [ALI] Device 171f
	Kernel driver in use: intel-spi
	Kernel modules: spi_intel_pci
10000:e0:06.0 System peripheral: Intel Corporation RST VMD Managed Controller
10000:e0:06.1 PCI bridge: Intel Corporation Device 7eca (rev 10)
	Kernel driver in use: pcieport
10000:e1:00.0 Non-Volatile memory controller: SK hynix BC901 NVMe Solid State Drive (DRAM-less) (rev 03)
	Subsystem: SK hynix BC901 NVMe Solid State Drive (DRAM-less)
	Kernel driver in use: nvme
	Kernel modules: nvme

Now this is the output of lspci -k

26

pactl list sinks

27 
$ pactl list sinks
Sink #49
	State: SUSPENDED
	Name: auto_null
	Description: Dummy Output
	Driver: PipeWire
	Sample Specification: float32le 2ch 48000Hz
	Channel Map: front-left,front-right
	Owner Module: 4294967295
	Mute: no
	Volume: front-left: 65536 / 100% / 0.00 dB,   front-right: 65536 / 100% / 0.00 dB
	        balance 0.00
	Base Volume: 65536 / 100% / 0.00 dB
	Monitor Source: auto_null.monitor
	Latency: 0 usec, configured 0 usec
	Flags: DECIBEL_VOLUME LATENCY 
	Properties:
		node.name = "auto_null"
		device.description = "Dummy Output"
		audio.rate = "48000"
		audio.channels = "2"
		audio.position = "FL,FR"
		media.class = "Audio/Sink"
		factory.name = "support.null-audio-sink"
		node.virtual = "true"
		monitor.channel-volumes = "true"
		factory.id = "18"
		clock.quantum-limit = "8192"
		client.id = "48"
		node.driver = "true"
		factory.mode = "merge"
		audio.adapt.follower = ""
		library.name = "audioconvert/libspa-audioconvert"
		object.id = "49"
		object.serial = "49"
	Formats:
		pcm
28

run alsamixer and F6 select intel sound card

29

Screenshot from 2024-06-24 10-52-41
Screenshot from 2024-06-24 10-52-411052×811 20.1 KB

It does not shows my sound card. Why is my sound card not recognised

30

That’s what I ask myself too

31

I made a bootable medium to check if sound works in a live fedora. But it doesn’t.

32

try alsa-firmware package to install just wild guess

33

It is already installed.