This bug was fixed in the package pulseaudio - 1:11.1-1ubuntu7.9
---------------
pulseaudio (1:11.1-1ubuntu7.9) bionic; urgency=medium
[Kai-Chuan Hsieh]
* alsa-mixer: Correct ucm card name (LP: #1881094)
[Hui Wang]
* d/p/0901-alsa-solaris-oss-remove-unnecessary-error-handling-w.patch
* d/p/0902-alsa-Improve-resume-logic-after-alsa-suspend.patch
* (LP: #1882042)
-- Kai-Chuan Hsieh <kaichuan.hs...@canonical.com> Wed, 27 May 2020
16:42:50 +0800
** Changed in: pulseaudio (Ubuntu Bionic)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1881094
Title:
Support kernel 5.4 Intel sound driver on bionic
Status in OEM Priority Project:
Fix Committed
Status in pulseaudio package in Ubuntu:
Invalid
Status in pulseaudio source package in Bionic:
Fix Released
Bug description:
[Impact]
* Some Intel platform bionic user audio function will be broken after
upgrade to kernel 5.4
* pulseaudio can't find working profile, since card name is changed
in kernel 5.4
[Test Case]
* install kernel 5.4 and check audio function
1. enable Pre-released updates in Developer Options
Software & Updates > Developer Options > Pre-released updates
(bionic-proposed)
2. $ sudo apt update
3. $ sudo apt install linux-generic-hwe-18.04-edge
4. $ sudo reboot
* install updated linux-firmware and pulseaudio
$ sudo add-apt-repository ppa:kchsieh/training
$ sudo apt-get update
$ sudo apt install linux-firmware
$ sudo apt install pulseaudio
$ sudo reboot
* test items
1. check internal speaker/mic to playback and record audio
2. plug headset and check headset functions
3. plug HDMI from external monitor/TV, and check audio functions
4. 1, 2, 3 works fine after resume from suspend
[Regression Potential]
* The updated pulseaudio breaks audio function on old kernel
[Scope]
* Need for bionic only
[Bug Discussion]
* https://bugs.launchpad.net/timbuktu/+bug/1880632
* MP:
https://code.launchpad.net/~kchsieh/pulseaudio/+git/bionic-1880632/+merge/384610
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