Bluetooth not working on Purism Librem 13v3

After upgrading my Debian unstable installation and getting kernel 6.0.0-2-amd64, the bluetooth adapter did not work anymore.

Things I checked

In the end it turned out that the bluetooth USB adapter was disconnected by the Fn + F12 key combination. After pressing it, it suddenly worked. dmesg output:

[ 2898.524861] usb 1-3: new full-speed USB device number 5 using xhci_hcd
[ 2898.674448] usb 1-3: New USB device found, idVendor=04ca, idProduct=300d, bcdDevice= 0.02
[ 2898.674479] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 2898.753926] usbcore: registered new interface driver btusb
[ 2898.758217] usbcore: registered new interface driver ath3k
[ 2898.849447] Bluetooth: MGMT ver 1.22
[ 2898.855072] NET: Registered PF_ALG protocol family
[ 2898.883095] Bluetooth: RFCOMM TTY layer initialized
[ 2898.883105] Bluetooth: RFCOMM socket layer initialized
[ 2898.883111] Bluetooth: RFCOMM ver 1.11
[ 2898.925462] Bluetooth: hci0: Bad flag given (0x2) vs supported (0x1)

Written by Christian Weiske.

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