APPLIED: [linux-firmware][SRU][B/D/E][PATCH 0/1] Intel Wireless-AC 9560 Bluetooth causes UI freeze

[Seth Forshee]

On Thu, Dec 05, 2019 at 05:15:14PM +0800, You-Sheng Yang wrote:
> From: You-Sheng Yang <vicamo at gmail.com>
> 
> BugLink: https://bugs.launchpad.net/bugs/1855235
> 
> [Impact]
> Intel Wireless-AC 9560 Bluetooth may fail to suspend under a certain
> scenarios and then causes UI freeze.
> 
> [Fix]
> commit c62c3c26a5e7 (linux-firmware: Update firmware file for Intel
> Bluetooth AX201).
> 
> [Test Case]
> 1. Pair some Bluetooth BLE device. Open a terminal and run `dmesg -w` to
> make sure Bluetooth is receiving advertisement events and repeatedly
> printing:
> 
>   Bluetooth: hci0: advertising data len corrected
>   ...
> 
> 2. Turn off dim display/blank screen on idle in Settings
> 3. Shorten long idle suspend time to 2 minutes as a quick way to
> reproduce this issue by:
> 
>   $ gsettings set org.gnome.settings-daemon.plugins.power \
>       sleep-inactive-ac-timeout 120
> 
> 4. Idle wait for 2 minute and let system suspend.
> 5. Resume after 20 seconds suspend or so.
> 
> [Regression Potential]
> Low. Only update firmware blob of affected model.
> 
> [Other Info]
> The upstream commit contains updates to other models, but they do not
> seem to be affected by this issue. Only intel/ibt-19-32-1.sfi is
> applied in following patches.

Applied for bionic/disco/eoan, thanks!