So, I'm having issues with the audio - specifically the bluetooth mic which is a common theme for Dell users. I've found a "fix" for this, but I am brand new to Linux (1 wk, so I have the knowledge of a toddler) and I'm really nervous about messing with firmware and kernels. However, I use my laptop for work and it's imperative that I get my Bluetooth headset mic working asap.
Can you please tell me if this is safe to do? Will I be able to reverse this if something goes awry? Any input, advice or guidance is super appreciated
`To bring up QCA6390, aka. AX500s, on Ubuntu 20.04 Focal, please first update your system BIOS to the latest version available.
And then you will need both kernel (either oem-5.6, or oem-5.10, or generic-5.11) and firmware with ath11k support:
[kernel]
- oem-5.6 >= 5.6.0-1039.43
$ sudo apt-get install linux-oem-20.04
linux-oem-20.04 meta package may upgrade to v5.10 soon, but it will still support ath11k.
- oem-5.10 >= 5.10.0-1010.11 (recommended)
$ sudo apt-get install linux-oem-20.04b
This meta package may cease to exist after 5.10 oem kernel transition. Use linux-oem-20.04 then.
- linux-generic-5.11
Enable ppa:canonical-kernel-team/bootstrap for Hirsute:
$ sudo apt-add-repository ppa:canonical-kernel-team/bootstrap
$ sudo sed -e 's,focal,devel,' -i /etc/apt/sources.list.d/ppa-canonical-kernel-team-ubuntu-bootstrap-focal.list
$ sudo mv /etc/apt/sources.list.d/ppa-canonical-kernel-team-ubuntu-bootstrap-focal.list /etc/apt/sources.list.d/ppa-canonical-kernel-team-ubuntu-bootstrap-devel.list
$ sudo apt-get update
$ sudo apt-get install $(apt-cache search linux-modules-extra-5.11 | awk '{print $1}')
Then rename the list to prevent unexpected upgrades:
$ sudo mv /etc/apt/sources.list.d/ppa-canonical-kernel-team-ubuntu-bootstrap-devel.list /etc/apt/sources.list.d/ppa-canonical-kernel-team-ubuntu-bootstrap-devel.list_
$ sudo apt update
[firmware]
Version 1.187.7 or newer is needed. So just do:
$ sudo apt-get install linux-firmware
Then reboot and check if wireless is now working. If doesn't, please file a new bug instead.
========== previous SRU justification header ==========
[SRU Justification: oem-5.6]
[Impact]
Qualcomm QCA6390 series not recognized due to the lack of ath11k and all
its prerequisite drivers.
$ lspci
0000:55:00.0 Unassigned class [ff00]: Qualcomm Device [17cb:1101]
Subsystem: Bigfoot Networks, Inc. Device [1a56:a501]
[Fix]
Tag ath11k-qca6390-bringup-202011301608 from ath tree
(kernel/git/kvalo/ath.git - wireless ath drivers tree, ath9k, ath10k, wil6210 etc) marks
first stable milestone on the platform/device under development since
v5.6-rc1. Most of the commits under this tag, ~350 commits, have been
in vanilla kernel v5.10-rc4 except those starting from commit
065c9528cc50 ("ath11k: add 64bit check before reading msi high addr").
While ath11k depends on MHI bus, qrtr and qmi helpers, changes falling
in these components are also pulled.
Besides, tx encapsulation
https:///
and a couple more inclusive of 6 GHz capability, BSS Color were also
pulled to satisfy API changes in mac80211/cfg80211.
[Test Case]
- Install firmwares & boot from patched kernel,
- ath11k should be now up and running. Check with
sudo dmesg | grep ath11k
While this is going to bring massive changes to the kernel, as well as
shared wireless stack that is not only used by ath11k but also many
others, prebuilt kernel/firmware packages were deployed on platforms
with and without ath11k for regression tests, and so far the results are
positive.
[Where problems could occur]
ath11k and its relying parts have never been enabled in oem-5.6, so
changes to them should have little effect on most platforms. For
platforms equip QCA6390, this will be the first time they're probed and
enabled, and as the driver is still under polishing, there can be
regressions, performance lost, power consumption increase at this
moment.
Changes to wireless stack could also be an issue as this introduces
interface changes to the API, so maybe DKMS packages in the wild will be
affected.`
This is the source for the info: Killer 500s (QCA6390) WLAN/BT [17cb:1101] unavailable