This bug was fixed in the package pulseaudio - 1:13.99.1-1ubuntu3.10
---------------
pulseaudio (1:13.99.1-1ubuntu3.10) focal; urgency=medium
* d/p/0703-switch-on-unknown.patch
- The 0703-switch-on-unknown.patch was introduced from the version of
ubuntu3.9, this patch could bring a regression similar to this one:
https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/issues/1043,
so just like the commit eaa6d5d6c1a7 (switch-on-port-available: Fix
switching away from unplugged headphones), change the
0703-switch-on-unknown.patch to move the code to
port_available_hook_callback().
(LP: #1908167)
-- Hui Wang <[email protected]> Tue, 05 Jan 2021 11:10:50 +0800
** Changed in: pulseaudio (Ubuntu Focal)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1908167
Title:
[SRU] pulseaudio: the headset-mic or heapdhone-mic could not be
selected automatically if there is no internal mic
Status in HWE Next:
New
Status in OEM Priority Project:
New
Status in pulseaudio package in Ubuntu:
Fix Released
Status in pulseaudio source package in Focal:
Fix Released
Status in pulseaudio source package in Groovy:
Fix Released
Status in pulseaudio source package in Hirsute:
Fix Released
Bug description:
[Impact]
On the Dell AIO machines, there is no internal mic, after plugging a
headset, users expect the headset-mic or headphone-mic could be selected
automatically. But with the current rule, the headset-mic/headphone-mic will
not be selected automatically and even users manually select them, they will
not show up in the gnome sound setting, and users could not record sound by
headset-mic/headphone-mic.
[Fix]
backport a patch from pulseaudio mergerequest, the patch is going to be
merged to pulseaudio 14.1. This patch could be backported to hirsute without
any change, but need to be changed if backport it to groovy and focal.
[Test]
With the old pulseaudio (prior to 1:13.99.1-1ubuntu3.10), plugging in a
headset to the problematic Dell AIO machine will not automatically select
headset-mic/headphone-mic, and they also do not show up in Gnome sound
settings, leading to failure to record any sound.
With the new proposed package, on those Dell AIO, plug a headset, open
the gnome sound setting, the headset-mic is selected automatically,
use the headset-mic to record the sound, the sound could be recorded
and the sound quality is good.
[Where problems could occur]
This patch could change the policy of audio device switching, it will not
affect all audio devices, but only the devices which has AVAIL_UNKNOWN
available status, that means it has possibility to introduce the regression on
headphone-mic ,headset-mic, internal mic and internal speaker's switching since
they all has AVAIL_UNKNOWN status. For example, after unpluging the headset,
the input device will not switch to internal mic automatically or after unplug
the headphone, the output device will not switch to internal speaker
automatically. But this possibility is very low, we have tested the patch on
many Dell and Lenovo machines, all worked well.
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