SOUND
https://help.ubuntu.com/community/SoundTroubleshooting
sudo aplay -l
lspci -v | grep -A7 -i "audio"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
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sudo aplay -l
$ sudo aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: CX20632 Analog [CX20632 Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
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
card 0: PCH [HDA Intel PCH], device 10: HDMI 4 [HDMI 4]
Subdevices: 1/1
Subdevice #0: subdevice #0
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ubuntu@ubuntu:~$ lspci -v | grep -A7 -i "audio"
00:1f.3 Audio device: Intel Corporation Cannon Lake PCH cAVS (rev 10)
Subsystem: Hewlett-Packard Company Cannon Lake PCH cAVS
Flags: bus master, fast devsel, latency 64, IRQ 127
Memory at 4001100000 (64-bit, non-prefetchable) [size=16K]
Memory at 4001000000 (64-bit, non-prefetchable) [size=1M]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
===============================================================================