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Been using for a couple of months, with analog output.
Now tried with TV via HDMI. The device is detected, sound level indicator is active during playback, but no sound heard.
Got
ALSA
PulseAudio
sof-firmware
all installed and running.
Also got numerous setting profile, including
Digital Stereo (HDMI)
Analog Stereo
HDMI audio, as described, gives all visual signs of fine operation, but no sound.
Model NUC11PAHI5 (Panther Canyon). BIOS upgraded to the last version.
Kubuntu 22.04 LTS - same picture as on Arch.
Works fine on Windows 11.
aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC256 Analog [ALC256 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [LG TV]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 9: HDMI 3 [HDMI 3]
Subdevices: 1/1
Subdevice #0: subdevice #0
Could somebody please give a hint where's the root of the problem and how to resolve it.
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From related topics - so far a I conclude - this is a matter of NUC architecture, not considered in Linux audio drivers.
5 or 6 gen Linux kernel doesn't make difference.
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