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I recently installed Ubuntu in my laptop and I have the issue that the sound does not recognize the audio output of the laptop and appears as "Dummy Output". Extra information:

$ cat /proc/asound/cards
 0 [sofhdadsp      ]: sof-hda-dsp - sof-hda-dsp
                      HUAWEI-NBLB_WAX9N-M1010-NBLB_WAX9N_PCB_B2

$ lsmod | grep snd snd_soc_skl_hda_dsp 24576 0 snd_soc_intel_hda_dsp_common 20480 1 snd_soc_skl_hda_dsp snd_soc_hdac_hdmi 36864 1 snd_soc_skl_hda_dsp snd_hda_codec_hdmi 61440 1 snd_soc_dmic 16384 1 snd_sof_pci_intel_cnl 16384 0 snd_sof_intel_hda_common 98304 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 20480 2 snd_sof_intel_hda_common,snd_sof_pci_intel_cnl snd_sof_xtensa_dsp 16384 1 snd_sof_intel_hda_common snd_sof 131072 2 snd_sof_pci,snd_sof_intel_hda_common snd_soc_hdac_hda 24576 1 snd_sof_intel_hda_common snd_hda_ext_core 32768 4 snd_sof_intel_hda_common,snd_soc_hdac_hdmi,snd_soc_hdac_hda,snd_sof_intel_hda snd_soc_acpi_intel_match 49152 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_soc_core 286720 7 soundwire_intel,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 28672 1 snd_soc_core ac97_bus 16384 1 snd_soc_core snd_pcm_dmaengine 16384 1 snd_soc_core snd_hda_intel 53248 0 snd_intel_dspcfg 28672 2 snd_hda_intel,snd_sof_intel_hda_common snd_intel_sdw_acpi 20480 2 snd_sof_intel_hda_common,snd_intel_dspcfg snd_hda_codec 147456 5 snd_hda_codec_hdmi,snd_hda_intel,snd_soc_intel_hda_dsp_common,snd_soc_hdac_hda,snd_soc_skl_hda_dsp snd_hda_core 94208 9 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_hdmi,snd_soc_hdac_hda,snd_sof_intel_hda snd_hwdep 16384 1 snd_hda_codec snd_pcm 114688 11 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,soundwire_intel,snd_sof,snd_sof_intel_hda_common,snd_soc_hdac_hdmi,snd_compress,snd_soc_core,snd_hda_core,snd_pcm_dmaengine snd_seq_midi 20480 0 snd_seq_midi_event 16384 1 snd_seq_midi snd_rawmidi 36864 1 snd_seq_midi snd_seq 73728 2 snd_seq_midi,snd_seq_midi_event snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi snd_timer 40960 2 snd_seq,snd_pcm snd 94208 13 snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_timer,snd_soc_hdac_hdmi,snd_compress,snd_soc_core,snd_pcm,snd_soc_skl_hda_dsp,snd_rawmidi soundcore 16384 1 snd ledtrig_audio 16384 2 huawei_wmi,snd_sof

$ inxi -SA System: Host: ivan-laptop Kernel: 5.13.0-27-generic x86_64 bits: 64 Desktop: Gnome 3.36.9 Distro: Ubuntu 20.04.3 LTS (Focal Fossa) Audio: Device-1: Intel driver: sof-audio-pci-intel-cnl Sound Server: ALSA v: k5.13.0-27-generic

$ modprobe --show-depends snd_hda_intel insmod /lib/modules/5.13.0-27-generic/kernel/sound/soundcore.ko install /sbin/modprobe --ignore-install snd $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-ioctl32 ; /sbin/modprobe --quiet --use-blacklist snd-seq ; } insmod /lib/modules/5.13.0-27-generic/kernel/sound/core/snd-timer.ko install /sbin/modprobe --ignore-install snd-pcm $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-pcm-oss ; : ; } insmod /lib/modules/5.13.0-27-generic/kernel/sound/core/snd-hwdep.ko insmod /lib/modules/5.13.0-27-generic/kernel/sound/hda/snd-hda-core.ko insmod /lib/modules/5.13.0-27-generic/kernel/sound/pci/hda/snd-hda-codec.ko insmod /lib/modules/5.13.0-27-generic/kernel/sound/hda/snd-intel-sdw-acpi.ko insmod /lib/modules/5.13.0-27-generic/kernel/sound/hda/snd-intel-dspcfg.ko insmod /lib/modules/5.13.0-27-generic/kernel/sound/pci/hda/snd-hda-intel.ko

$ aplay -l **** List of PLAYBACK Hardware Devices **** card 0: sofhdadsp [sof-hda-dsp], device 1: HDMI1 () [] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: sofhdadsp [sof-hda-dsp], device 2: HDMI2 () [] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: sofhdadsp [sof-hda-dsp], device 3: HDMI3 (*) [] Subdevices: 1/1 Subdevice #0: subdevice #0

David
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  • is pulseaudio running? pulseaudio --check any return? – nobody Feb 02 '22 at 13:31
  • might help : https://askubuntu.com/questions/1451232/no-sound-on-huawei-14s-with-ubuntu-22-10/1451233#1451233 – doom Jan 21 '23 at 17:01
  • I had this issue. Try pipewire. See here: https://askubuntu.com/questions/1449349/no-sound-on-ubuntu-22-10-kinetic-msi-ge76-laptop https://linuxconfig.org/how-to-install-pipewire-on-ubuntu-linux – Thystra Aug 16 '23 at 18:44

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