Hi, >>> Set HCI_QUIRK_BROKEN_ERR_DATA_REPORTING for QCA controllers since >>> they answer HCI_OP_READ_DEF_ERR_DATA_REPORTING with error code >>> "UNKNOWN HCI COMMAND" as shown below: >>> >>> [ 580.517552] Bluetooth: hci0: unexpected cc 0x0c5a length: 1 < 2 >>> [ 580.517660] Bluetooth: hci0: Opcode 0x c5a failed: -38 >>> >>> Signed-off-by: Zijun Hu <quic_zijuhu@xxxxxxxxxxx> >>> --- >>> drivers/bluetooth/btusb.c | 2 ++ >>> 1 file changed, 2 insertions(+) >>> >>> diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c >>> index 06a854a2507e..a33f8705f147 100644 >>> --- a/drivers/bluetooth/btusb.c >>> +++ b/drivers/bluetooth/btusb.c >>> @@ -3340,6 +3340,8 @@ static int btusb_setup_qca(struct hci_dev *hdev) >>> */ >>> set_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &hdev->quirks); >>> >>> + set_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks); >>> + >>> return 0; >>> } >> >> please include the supported commands output from btmon that indicates that this hardware declares support for this command. >> > hcitool -i hci0 cmd 0x04 0x02 > < HCI Command: ogf 0x04, ocf 0x0002, plen 0 >> HCI Event: 0x0e plen 68 > 01 02 10 00 FF FF FB 03 CE FF EF FF FF FF FF 1F F2 0F E8 FE > 3F F7 8F FF 1C 00 04 00 61 FF FF FF 7F BE 20 F5 FF F0 FF FF > FF FF FF FF FF EF FF FF FF FF 03 00 00 00 00 00 00 00 00 00 > 00 00 00 00 00 00 00 00 > > btmon output: > < HCI Command: Read Local Supported Commands (0x04|0x0002) plen 0 5.414488 >> HCI Event: Command Complete (0x0e) plen 68 5.419751 > Read Local Supported Commands (0x04|0x0002) ncmd 1 > Status: Success (0x00) > Commands: 288 entries > Inquiry (Octet 0 - Bit 0) > Inquiry Cancel (Octet 0 - Bit 1) > Periodic Inquiry Mode (Octet 0 - Bit 2) > Exit Periodic Inquiry Mode (Octet 0 - Bit 3) > Create Connection (Octet 0 - Bit 4) > Disconnect (Octet 0 - Bit 5) > Add SCO Connection (Octet 0 - Bit 6) > Create Connection Cancel (Octet 0 - Bit 7) > Accept Connection Request (Octet 1 - Bit 0) > Reject Connection Request (Octet 1 - Bit 1) > Link Key Request Reply (Octet 1 - Bit 2) > Link Key Request Negative Reply (Octet 1 - Bit 3) > PIN Code Request Reply (Octet 1 - Bit 4) > PIN Code Request Negative Reply (Octet 1 - Bit 5) > Change Connection Packet Type (Octet 1 - Bit 6) > Authentication Requested (Octet 1 - Bit 7) > Set Connection Encryption (Octet 2 - Bit 0) > Change Connection Link Key (Octet 2 - Bit 1) > Remote Name Request (Octet 2 - Bit 3) > Remote Name Request Cancel (Octet 2 - Bit 4) > Read Remote Supported Features (Octet 2 - Bit 5) > Read Remote Extended Features (Octet 2 - Bit 6) > Read Remote Version Information (Octet 2 - Bit 7) > Read Clock Offset (Octet 3 - Bit 0) > Read LMP Handle (Octet 3 - Bit 1) > Hold Mode (Octet 4 - Bit 1) > Sniff Mode (Octet 4 - Bit 2) > Exit Sniff Mode (Octet 4 - Bit 3) > QoS Setup (Octet 4 - Bit 6) > Role Discovery (Octet 4 - Bit 7) > Switch Role (Octet 5 - Bit 0) > Read Link Policy Settings (Octet 5 - Bit 1) > Write Link Policy Settings (Octet 5 - Bit 2) > Read Default Link Policy Settings (Octet 5 - Bit 3) > Write Default Link Policy Settings (Octet 5 - Bit 4) > Flow Specification (Octet 5 - Bit 5) > Set Event Mask (Octet 5 - Bit 6) > Reset (Octet 5 - Bit 7) > Set Event Filter (Octet 6 - Bit 0) > Flush (Octet 6 - Bit 1) > Read PIN Type (Octet 6 - Bit 2) > Write PIN Type (Octet 6 - Bit 3) > Read Stored Link Key (Octet 6 - Bit 5) > Write Stored Link Key (Octet 6 - Bit 6) > Delete Stored Link Key (Octet 6 - Bit 7) > Write Local Name (Octet 7 - Bit 0) > Read Local Name (Octet 7 - Bit 1) > Read Connection Accept Timeout (Octet 7 - Bit 2) > Write Connection Accept Timeout (Octet 7 - Bit 3) > Read Page Timeout (Octet 7 - Bit 4) > Write Page Timeout (Octet 7 - Bit 5) > Read Scan Enable (Octet 7 - Bit 6) > Write Scan Enable (Octet 7 - Bit 7) > Read Page Scan Activity (Octet 8 - Bit 0) > Write Page Scan Activity (Octet 8 - Bit 1) > Read Inquiry Scan Activity (Octet 8 - Bit 2) > Write Inquiry Scan Activity (Octet 8 - Bit 3) > Read Authentication Enable (Octet 8 - Bit 4) > Write Authentication Enable (Octet 8 - Bit 5) > Read Encryption Mode (Octet 8 - Bit 6) > Write Encryption Mode (Octet 8 - Bit 7) > Read Class of Device (Octet 9 - Bit 0) > Write Class of Device (Octet 9 - Bit 1) > Read Voice Setting (Octet 9 - Bit 2) > Write Voice Setting (Octet 9 - Bit 3) > Read Automatic Flush Timeout (Octet 9 - Bit 4) > Write Automatic Flush Timeout (Octet 9 - Bit 5) > Read Num Broadcast Retransmissions (Octet 9 - Bit 6) > Write Num Broadcast Retransmissions (Octet 9 - Bit 7) > Read Hold Mode Activity (Octet 10 - Bit 0) > Write Hold Mode Activity (Octet 10 - Bit 1) > Read Transmit Power Level (Octet 10 - Bit 2) > Read Sync Flow Control Enable (Octet 10 - Bit 3) > Write Sync Flow Control Enable (Octet 10 - Bit 4) > Set Controller To Host Flow Control (Octet 10 - Bit 5) > Host Buffer Size (Octet 10 - Bit 6) > Host Number of Completed Packets (Octet 10 - Bit 7) > Read Link Supervision Timeout (Octet 11 - Bit 0) > Write Link Supervision Timeout (Octet 11 - Bit 1) > Read Number of Supported IAC (Octet 11 - Bit 2) > Read Current IAC LAP (Octet 11 - Bit 3) > Write Current IAC LAP (Octet 11 - Bit 4) > Set AFH Host Channel Classification (Octet 12 - Bit 1) > Read Inquiry Scan Type (Octet 12 - Bit 4) > Write Inquiry Scan Type (Octet 12 - Bit 5) > Read Inquiry Mode (Octet 12 - Bit 6) > Write Inquiry Mode (Octet 12 - Bit 7) > Read Page Scan Type (Octet 13 - Bit 0) > Write Page Scan Type (Octet 13 - Bit 1) > Read AFH Channel Assessment Mode (Octet 13 - Bit 2) > Write AFH Channel Assessment Mode (Octet 13 - Bit 3) > Read Local Version Information (Octet 14 - Bit 3) > Read Local Supported Features (Octet 14 - Bit 5) > Read Local Extended Features (Octet 14 - Bit 6) > Read Buffer Size (Octet 14 - Bit 7) > Read BD ADDR (Octet 15 - Bit 1) > Read Failed Contact Counter (Octet 15 - Bit 2) > Reset Failed Contact Counter (Octet 15 - Bit 3) > Read Link Quality (Octet 15 - Bit 4) > Read RSSI (Octet 15 - Bit 5) > Read AFH Channel Map (Octet 15 - Bit 6) > Read Clock (Octet 15 - Bit 7) > Read Loopback Mode (Octet 16 - Bit 0) > Write Loopback Mode (Octet 16 - Bit 1) > Enable Device Under Test Mode (Octet 16 - Bit 2) > Setup Synchronous Connection (Octet 16 - Bit 3) > Accept Synchronous Connection Request (Octet 16 - Bit 4) > Reject Synchronous Connection Request (Octet 16 - Bit 5) > Read Extended Inquiry Response (Octet 17 - Bit 0) > Write Extended Inquiry Response (Octet 17 - Bit 1) > Refresh Encryption Key (Octet 17 - Bit 2) > Sniff Subrating (Octet 17 - Bit 4) > Read Simple Pairing Mode (Octet 17 - Bit 5) > Write Simple Pairing Mode (Octet 17 - Bit 6) > Read Local OOB Data (Octet 17 - Bit 7) > Read Inquiry Response TX Power Level (Octet 18 - Bit 0) > Write Inquiry Transmit Power Level (Octet 18 - Bit 1) > Read Default Erroneous Data Reporting (Octet 18 - Bit 2) > Write Default Erroneous Data Reporting (Octet 18 - Bit 3) > IO Capability Request Reply (Octet 18 - Bit 7) > User Confirmation Request Reply (Octet 19 - Bit 0) > User Confirmation Request Neg Reply (Octet 19 - Bit 1) > User Passkey Request Reply (Octet 19 - Bit 2) > User Passkey Request Negative Reply (Octet 19 - Bit 3) > Remote OOB Data Request Reply (Octet 19 - Bit 4) > Write Simple Pairing Debug Mode (Octet 19 - Bit 5) > Enhanced Flush (Octet 19 - Bit 6) > Remote OOB Data Request Neg Reply (Octet 19 - Bit 7) > Send Keypress Notification (Octet 20 - Bit 2) > IO Capability Request Negative Reply (Octet 20 - Bit 3) > Read Encryption Key Size (Octet 20 - Bit 4) > Set Event Mask Page 2 (Octet 22 - Bit 2) > Read Enhanced Transmit Power Level (Octet 24 - Bit 0) > Read LE Host Supported (Octet 24 - Bit 5) > Write LE Host Supported (Octet 24 - Bit 6) > LE Set Event Mask (Octet 25 - Bit 0) > LE Read Buffer Size (Octet 25 - Bit 1) > LE Read Local Supported Features (Octet 25 - Bit 2) > Octet 25 - Bit 3 > LE Set Random Address (Octet 25 - Bit 4) > LE Set Advertising Parameters (Octet 25 - Bit 5) > LE Read Advertising Channel TX Power (Octet 25 - Bit 6) > LE Set Advertising Data (Octet 25 - Bit 7) > LE Set Scan Response Data (Octet 26 - Bit 0) > LE Set Advertise Enable (Octet 26 - Bit 1) > LE Set Scan Parameters (Octet 26 - Bit 2) > LE Set Scan Enable (Octet 26 - Bit 3) > LE Create Connection (Octet 26 - Bit 4) > LE Create Connection Cancel (Octet 26 - Bit 5) > LE Read White List Size (Octet 26 - Bit 6) > LE Clear White List (Octet 26 - Bit 7) > LE Add Device To White List (Octet 27 - Bit 0) > LE Remove Device From White List (Octet 27 - Bit 1) > LE Connection Update (Octet 27 - Bit 2) > LE Set Host Channel Classification (Octet 27 - Bit 3) > LE Read Channel Map (Octet 27 - Bit 4) > LE Read Remote Used Features (Octet 27 - Bit 5) > LE Encrypt (Octet 27 - Bit 6) > LE Rand (Octet 27 - Bit 7) > LE Start Encryption (Octet 28 - Bit 0) > LE Long Term Key Request Reply (Octet 28 - Bit 1) > LE Long Term Key Request Neg Reply (Octet 28 - Bit 2) > LE Read Supported States (Octet 28 - Bit 3) > LE Receiver Test (Octet 28 - Bit 4) > LE Transmitter Test (Octet 28 - Bit 5) > LE Test End (Octet 28 - Bit 6) > Octet 29 - Bit 1 > Octet 29 - Bit 2 > Enhanced Setup Synchronous Connection (Octet 29 - Bit 3) > Enhanced Accept Synchronous Connection Request (Octet 29 - Bit 4) > Read Local Supported Codecs (Octet 29 - Bit 5) > Set External Frame Configuration (Octet 29 - Bit 7) > Set Triggered Clock Capture (Octet 30 - Bit 5) > Set Connectionless Slave Broadcast (Octet 31 - Bit 0) > Start Synchronization Train (Octet 31 - Bit 2) > Set Reserved LT_ADDR (Octet 31 - Bit 4) > Delete Reserved LT_ADDR (Octet 31 - Bit 5) > Set Connectionless Slave Broadcast Data (Octet 31 - Bit 6) > Read Synchronization Train Parameters (Octet 31 - Bit 7) > Write Synchronization Train Parameters (Octet 32 - Bit 0) > Remote OOB Extended Data Request Reply (Octet 32 - Bit 1) > Read Secure Connections Host Support (Octet 32 - Bit 2) > Write Secure Connections Host Support (Octet 32 - Bit 3) > Read Authenticated Payload Timeout (Octet 32 - Bit 4) > Write Authenticated Payload Timeout (Octet 32 - Bit 5) > Read Local OOB Extended Data (Octet 32 - Bit 6) > Write Secure Connections Test Mode (Octet 32 - Bit 7) > LE Remote Connection Parameter Request Reply (Octet 33 - Bit 4) > LE Remote Connection Parameter Request Negative Reply (Octet 33 - Bit 5) > LE Set Data Length (Octet 33 - Bit 6) > LE Read Suggested Default Data Length (Octet 33 - Bit 7) > LE Write Suggested Default Data Length (Octet 34 - Bit 0) > LE Read Local P-256 Public Key (Octet 34 - Bit 1) > LE Generate DHKey (Octet 34 - Bit 2) > LE Add Device To Resolving List (Octet 34 - Bit 3) > LE Remove Device From Resolving List (Octet 34 - Bit 4) > LE Clear Resolving List (Octet 34 - Bit 5) > LE Read Resolving List Size (Octet 34 - Bit 6) > LE Read Peer Resolvable Address (Octet 34 - Bit 7) > LE Read Local Resolvable Address (Octet 35 - Bit 0) > LE Set Address Resolution Enable (Octet 35 - Bit 1) > LE Set Resolvable Private Address Timeout (Octet 35 - Bit 2) > LE Read Maximum Data Length (Octet 35 - Bit 3) > Octet 35 - Bit 4 > Octet 35 - Bit 5 > Octet 35 - Bit 6 > Octet 35 - Bit 7 > Octet 36 - Bit 0 > Octet 36 - Bit 1 > Octet 36 - Bit 2 > Octet 36 - Bit 3 > Octet 36 - Bit 4 > Octet 36 - Bit 5 > Octet 36 - Bit 6 > Octet 36 - Bit 7 > Octet 37 - Bit 0 > Octet 37 - Bit 1 > Octet 37 - Bit 2 > Octet 37 - Bit 3 > Octet 37 - Bit 4 > Octet 37 - Bit 5 > Octet 37 - Bit 6 > Octet 37 - Bit 7 > Octet 38 - Bit 0 > Octet 38 - Bit 1 > Octet 38 - Bit 2 > Octet 38 - Bit 3 > Octet 38 - Bit 4 > Octet 38 - Bit 5 > Octet 38 - Bit 6 > Octet 38 - Bit 7 > Octet 39 - Bit 0 > Octet 39 - Bit 1 > Octet 39 - Bit 2 > Octet 39 - Bit 3 > Octet 39 - Bit 4 > Octet 39 - Bit 5 > Octet 39 - Bit 6 > Octet 39 - Bit 7 > Octet 40 - Bit 0 > Octet 40 - Bit 1 > Octet 40 - Bit 2 > Octet 40 - Bit 3 > Octet 40 - Bit 4 > Octet 40 - Bit 5 > Octet 40 - Bit 6 > Octet 40 - Bit 7 > Octet 41 - Bit 0 > Octet 41 - Bit 1 > Octet 41 - Bit 2 > Octet 41 - Bit 3 > Octet 41 - Bit 5 > Octet 41 - Bit 6 > Octet 41 - Bit 7 > Octet 42 - Bit 0 > Octet 42 - Bit 1 > Octet 42 - Bit 2 > Octet 42 - Bit 3 > Octet 42 - Bit 4 > Octet 42 - Bit 5 > Octet 42 - Bit 6 > Octet 42 - Bit 7 > Octet 43 - Bit 0 > Octet 43 - Bit 1 > Octet 43 - Bit 2 > Octet 43 - Bit 3 > Octet 43 - Bit 4 > Octet 43 - Bit 5 > Octet 43 - Bit 6 > Octet 43 - Bit 7 > Octet 44 - Bit 0 > Octet 44 - Bit 1 > Octet 44 - Bit 2 > Octet 44 - Bit 3 > Octet 44 - Bit 4 > Octet 44 - Bit 5 > Octet 44 - Bit 6 > Octet 44 - Bit 7 > Octet 45 - Bit 0 > Octet 45 - Bit 1 > Octet 45 - Bit 2 > Octet 45 - Bit 3 > Octet 45 - Bit 4 > Octet 45 - Bit 5 > Octet 45 - Bit 6 > Octet 45 - Bit 7 > Octet 46 - Bit 0 > Octet 46 - Bit 1 you might want to use a recent btmon. However can you show how the Read Default Erroneous Data Reporting is failing? It sounds like this hardware is fundamentally broken. Regards Marcel
