Bluetooth DualBoot Fixer

Motivation

When using multiple systems on a single machine there is a problem with pairing bluetooth peripherals such as mouse or keyboard with all the systems at once. The solution is to copy several parameters between them.

This script handles conversion of Windows reg file to linux config file.

Usage

1. Boot to linux

2. Clone this repo

3. Pair your device - make a note about MAC of your device

4. Reboot to Windows

5. Pair your device

6. Open regedit as administrator

7. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BTHPORT\Parameters\Keys\<BT_MAC>\<DEVICE_MAC>

   Note that device MAC may differ from the one from linux.

   If there are no keys visible in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BTHPORT\Parameters\Keys, try to add access rights for your user account.

8. Export the registry key to reg file

9. Reboot to linux

10. sudo su

11. run this script

python -m btfix -r regfile.reg -l /var/lib/bluetooth/<BT_MAC>/<DEVICE_MAC>/info -o <output_file>
OR
python -m btfix -r regfile.reg -l /var/lib/bluetooth/<BT_MAC>/<DEVICE_MAC>/info --inplace

12. Reboot to linux again (restarting bluetooth service should do it as well)
13. Your device should work now

When using with --inplace option the DEVICE_MAC directory will be renamed to match the MAC from Windows and the linux config will be overwritten. Also a backup file will be created in /tmp/bluetooth_backup_<current_timestamp>.