Bluetooth 5.3 adapter Ugreen CM591 (chip ATS2851)

[ShevT]

Does not work. Maybe it will be enough to add this patch? (patchwork)

Dmesg:

[  127.272121] usb 3-4: new full-speed USB device number 3 using xhci_hcd
[  127.432156] usb 3-4: New USB device found, idVendor=10d7, idProduct=b012, bcdDevice=88.91
[  127.432163] usb 3-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  127.432165] usb 3-4: Product: general adapter
[  127.432166] usb 3-4: Manufacturer: Actions
[  127.432168] usb 3-4: SerialNumber: ACTIONS1234
[  127.511198] Bluetooth: hci0: Opcode 0x c5a failed: -56

[damentz]

Have you tested this patch on your own system to confirm it works?

[ShevT]

No.

Have you tested this patch on your own system to confirm it works?

No. Tested on another kernel. This patch is not enough.

After this parch:

[    3.240475] Bluetooth: Core ver 2.22
[    3.240489] NET: Registered PF_BLUETOOTH protocol family
[    3.240490] Bluetooth: HCI device and connection manager initialized
[    3.240492] Bluetooth: HCI socket layer initialized
[    3.240493] Bluetooth: L2CAP socket layer initialized
[    3.240495] Bluetooth: SCO socket layer initialized
[    3.412251] Bluetooth: hci0: HCI Read Default Erroneous Data Reporting command is advertised, but not supported.
[    3.467387] Bluetooth: hci0: Opcode 0x204b failed: -56
[    4.030187] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[    4.030191] Bluetooth: BNEP filters: protocol multicast
[    4.030195] Bluetooth: BNEP socket layer initialized

[damentz]

Ok, if you find a patch that can help, then let me know by opening another issue or pinging me here. Closing for now.