[PATCH 0/2][H/U/OEM-5.10/OEM-5.13] Fix Intel AC9560 BT function cannot turn on if BT turn off before S3 entry

[Stefan Bader]

On 26.08.21 08:03, Koba Ko wrote:
> BugLink: https://bugs.launchpad.net/bugs/1941696
> 
> Impact]
> 1. On Troy JSL platform, add AC9560
> 2. Enter Settings -> Bluetooth menu
> 3. Default Bluetooth option is ON, try to toggle the BT option to OFF
> 4. Into suspend mode(S3) and resume the system
> 5. Enter BT settings and try to turn on BT,
> 6. BT function cannot enabled until reboot.
> 
> [Fix]
> Turn off the msft ext only for AC9560.
> Maintainer thought Intel should take care this and reject this workaround.
> https://marc.info/?l=linux-bluetooth&m=162938546804458&w=2
> 
> Intel is working on this issue and sru the workaround for the schedule.

What is the status of the proper fix for this?

-Stefan
> 
> [Test]
> Verified with the bellow steps 10 times.
> 1. On Troy JSL and add AC9560
> 2. Turn off BT
> 3. suspend&resume the machine 10 times.
> 4. turn on BT and works well.
> 
> [Regression Potential]
> Medium, it's a workaround to turn off the MSFT ext only for ac9560.
> 
> 
> Koba Ko (1):
>    Bluetooth: btusb: add a reject table to disable msft
> 
> Miao-chen Chou (1):
>    Bluetooth: btusb: Enable MSFT extension for Intel controllers
> 
>   drivers/bluetooth/btusb.c | 13 ++++++++++++-
>   1 file changed, 12 insertions(+), 1 deletion(-)
> 


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