I test this patch no help. rmmod btusb, modprobe btusb. [ 7.661739] Bluetooth: Core ver 2.22 [ 7.661762] NET: Registered protocol family 31 [ 7.661763] Bluetooth: HCI device and connection manager initialized [ 7.661767] Bluetooth: HCI socket layer initialized [ 7.661768] Bluetooth: L2CAP socket layer initialized [ 7.661772] Bluetooth: SCO socket layer initialized [ 7.686106] usbcore: registered new interface driver btusb [ 7.689317] iwlwifi 0000:07:00.0: Detected Intel(R) Wi-Fi 6 AX200 160MHz, REV=0x340 [ 7.689789] Bluetooth: hci0: Firmware revision 0.0 build 118 week 15 2021 [ 7.694911] bluetooth hci0: Direct firmware load for intel/ibt-20-0-0.sfi failed with error -2 [ 230.746397] usbcore: registered new interface driver btusb [ 230.750827] Bluetooth: hci0: Firmware revision 0.0 build 118 week 15 2021 [ 230.756450] bluetooth hci0: Direct firmware load for intel/ibt-20-0-0.sfi failed with error -2
