Same problem here!
This is my solution:
sudo /etc/init.d/alsa-utils stop
sudo rm /var/lib/alsa/asound.state
sudo /etc/init.d/alsa-utils start
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SPDIF won't play PCM after playing AC3
https://bugs.launchpad.net/bugs/25632
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Bug
PS. And then turn on "IE958" in alsa mixer.
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SPDIF won't play PCM after playing AC3
https://bugs.launchpad.net/bugs/25632
You received this bug notification because you are a member of Ubuntu
Bugs, which is a direct subscriber.
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