Thank you, workaround 1 worked for me to fix the audio problem:
=== Workaround 1 ===
Edit /etc/default/grub and change this line:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
to this line
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash radeon.audio=1"
Now run "sudo update-grub", then reboot your computer.
Source: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/864735
Thank you, workaround 1 worked for me to fix the audio problem:
=== Workaround 1 ===
Edit /etc/default/grub and change this line:
GRUB_CMDLINE_ LINUX_DEFAULT= "quiet splash"
to this line
GRUB_CMDLINE_ LINUX_DEFAULT= "quiet splash radeon.audio=1"
Now run "sudo update-grub", then reboot your computer.
Source: https:/ /bugs.launchpad .net/ubuntu/ +source/ alsa-driver/ +bug/864735