I upgraded to Cosmic through tonight, and now I have no audio: neither my laptop speakers nor the ehadphone jack seem to do anything. The audio settings menu shows only a "dummy audio" option.
Below are the outputs of aplay and lspci, which I have seen asked for in the Ubuntu forums (on three year old threads, but whatever).
What can I do to get the sound working? My only idea would be to reinstall 18.04, which worked fine.
$ lspci | grep -i audio
00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21)
$ aplay -l
**** Lista di PLAYBACK dispositivi hardware ****
scheda 0: PCH [HDA Intel PCH], dispositivo 0: ALC269VC Analog [ALC269VC Analog]
Sottoperiferiche: 0/1
Sottoperiferica #0: subdevice #0
scheda 0: PCH [HDA Intel PCH], dispositivo 3: HDMI 0 [HDMI 0]
Sottoperiferiche: 1/1
Sottoperiferica #0: subdevice #0
scheda 0: PCH [HDA Intel PCH], dispositivo 7: HDMI 1 [HDMI 1]
Sottoperiferiche: 1/1
Sottoperiferica #0: subdevice #0
scheda 0: PCH [HDA Intel PCH], dispositivo 8: HDMI 2 [HDMI 2]
Sottoperiferiche: 1/1
Sottoperiferica #0: subdevice #0
scheda 0: PCH [HDA Intel PCH], dispositivo 9: HDMI 3 [HDMI 3]
Sottoperiferiche: 1/1
Sottoperiferica #0: subdevice #0
scheda 0: PCH [HDA Intel PCH], dispositivo 10: HDMI 4 [HDMI 4]
Sottoperiferiche: 1/1
Sottoperiferica #0: subdevice #0
$ sudo lshw -C sound
sudo: impossibile risolvere l'host riccardo-laptop: Argomento non valido
*-multimedia
description: Audio device
product: Sunrise Point-LP HD Audio
vendor: Intel Corporation
physical id: 1f.3
bus info: pci@0000:00:1f.3
version: 21
width: 64 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list
configuration: driver=snd_hda_intel latency=32
resources: irq:129 memory:dc228000-dc22bfff memory:dc200000-dc20ffff
