I have no audio in KDE plasma. Fresh install, only things i did is switch to plasma and install the nvidia driver instead of nouveau.
Here is what i see in dmesg:
mrjake@OmenTux:~$ sudo dmesg | grep audio
[ 12.175297] snd_hda_intel 0000:01:00.1: Handle vga_switcheroo audio client
[ 13.114869] sof-audio-pci 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100
[ 13.114949] sof-audio-pci 0000:00:1f.3: Digital mics found on Skylake+ platform, using SOF driver
[ 13.114974] sof-audio-pci 0000:00:1f.3: enabling device (0000 -> 0002)
[ 13.115453] sof-audio-pci 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if 0x040100
[ 13.115602] sof-audio-pci 0000:00:1f.3: init of i915 and HDMI codec failed
[ 13.117961] sof-audio-pci 0000:00:1f.3: use msi interrupt mode
[ 13.226240] sof-audio-pci 0000:00:1f.3: hda codecs found, mask 1
[ 13.226248] sof-audio-pci 0000:00:1f.3: using HDA machine driver skl_hda_dsp_generic now
[ 13.226260] sof-audio-pci 0000:00:1f.3: DMICs detected in NHLT tables: 2
[ 13.288785] sof-audio-pci 0000:00:1f.3: firmware: failed to load intel/sof/sof-cml.ri (-2)
[ 13.288795] sof-audio-pci 0000:00:1f.3: Direct firmware load for intel/sof/sof-cml.ri failed with error -2
[ 13.288804] sof-audio-pci 0000:00:1f.3: error: request firmware intel/sof/sof-cml.ri failed err: -2
[ 13.288810] sof-audio-pci 0000:00:1f.3: error: failed to load DSP firmware -2
[ 13.289714] sof-audio-pci 0000:00:1f.3: error: sof_probe_work failed err: -2
Any idea?
fixed my issue installing driver :(
sudo apt install firmware-sof-signed
then reboot and voila me have sound. yata!