[   76.648766] usb 1-1: new full-speed USB device number 2 using xhci-hcd
[   76.807554] usb 1-1: New USB device found, idVendor=0a5c, idProduct=21e8, bcdDevice= 1.12
[   76.807598] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   76.807615] usb 1-1: Product: BCM20702A0
[   76.807628] usb 1-1: Manufacturer: Broadcom Corp
[   76.807638] usb 1-1: SerialNumber: 5CF370A17E35
[   76.850374] Bluetooth: Core ver 2.22
[   76.850425] NET: Registered PF_BLUETOOTH protocol family
[   76.850427] Bluetooth: HCI device and connection manager initialized
[   76.850434] Bluetooth: HCI socket layer initialized
[   76.850436] Bluetooth: L2CAP socket layer initialized
[   76.850441] Bluetooth: SCO socket layer initialized
[   76.853222] usbcore: registered new interface driver btusb
[   76.967115] Bluetooth: hci0: BCM: chip id 63
[   76.969177] Bluetooth: hci0: BCM: features 0x07
[   77.000184] Bluetooth: hci0: BCM20702A
[   77.000200] Bluetooth: hci0: BCM20702A1 (001.002.014) build 0000
[   77.002128] Bluetooth: hci0: BCM: firmware Patch file not found, tried:
[   77.002132] Bluetooth: hci0: BCM: 'brcm/BCM20702A1-0a5c-21e8.lenovo,thinkpad-x13s.hcd'
[   77.002134] Bluetooth: hci0: BCM: 'brcm/BCM20702A1-0a5c-21e8.hcd'
[   77.002136] Bluetooth: hci0: BCM: 'brcm/BCM-0a5c-21e8.lenovo,thinkpad-x13s.hcd'
[   77.002138] Bluetooth: hci0: BCM: 'brcm/BCM-0a5c-21e8.hcd'