Probably we need to backport this patch:
commit 30a551bbc45f2d213e8b2889c8bede8a9c16c9d2
Author: João Paulo Rechi Vita <[email protected]>
Date: Mon Dec 10 16:16:46 2018 -0800
switch-on-port-available: Check if we need to change the active profile
When a port becomes unavailble its profile may also become unavailable.
If that profile is the card's active profile, we need to switch the
card's active profile to a different one.
If we don't do that a card may get stuck on a profile without available
ports, but its sink and source will still exist, preventing
module-rescue-streams to move the streams to a different card with
available ports.
The relation between port availability and profile availability is
defined by the driver, and for the ALSA driver a profile is considered
available if there is at least one (available || unknown) port for each
direction implemented by the profile. Because of that we can only check
the profile's availability and priority when looking for the best
profile and don't need to look at port's priorities.
https://phabricator.endlessm.com/T24904
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https://bugs.launchpad.net/bugs/1834138
Title:
PA: can't auto switch streams between different sinks
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