Re: [BUG] Slow bluetooth speed on Apple MacBook Pro 16,1

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Some additional errors are being seen in 5.16

-- Logs begin at Fri 2021-11-26 21:34:04 IST, end at Tue 2022-01-11 17:44:40 IST. --
Jan 11 17:42:26 MacBook kernel: Bluetooth: Core ver 2.22
Jan 11 17:42:26 MacBook kernel: NET: Registered PF_BLUETOOTH protocol family
Jan 11 17:42:26 MacBook kernel: Bluetooth: HCI device and connection manager initialized
Jan 11 17:42:26 MacBook kernel: Bluetooth: HCI socket layer initialized
Jan 11 17:42:26 MacBook kernel: Bluetooth: L2CAP socket layer initialized
Jan 11 17:42:26 MacBook kernel: Bluetooth: SCO socket layer initialized
Jan 11 17:42:26 MacBook kernel: Bluetooth: HCI UART driver ver 2.3
Jan 11 17:42:26 MacBook kernel: Bluetooth: HCI UART protocol H4 registered
Jan 11 17:42:26 MacBook kernel: Bluetooth: HCI UART protocol BCSP registered
Jan 11 17:42:26 MacBook kernel: Bluetooth: HCI UART protocol LL registered
Jan 11 17:42:26 MacBook kernel: Bluetooth: HCI UART protocol ATH3K registered
Jan 11 17:42:26 MacBook kernel: Bluetooth: HCI UART protocol Three-wire (H5) registered
Jan 11 17:42:26 MacBook kernel: Bluetooth: HCI UART protocol Intel registered
Jan 11 17:42:26 MacBook kernel: Bluetooth: HCI UART protocol Broadcom registered
Jan 11 17:42:26 MacBook kernel: Bluetooth: HCI UART protocol QCA registered
Jan 11 17:42:26 MacBook kernel: Bluetooth: HCI UART protocol AG6XX registered
Jan 11 17:42:26 MacBook kernel: Bluetooth: HCI UART protocol Marvell registered
Jan 11 17:42:26 MacBook kernel: Bluetooth: hci0: BCM: failed to write update baudrate (-16)
Jan 11 17:42:26 MacBook kernel: Bluetooth: hci0: Failed to set baudrate
Jan 11 17:42:26 MacBook kernel: Bluetooth: hci0: BCM: chip id 150
Jan 11 17:42:26 MacBook kernel: Bluetooth: hci0: BCM: features 0x07
Jan 11 17:42:26 MacBook kernel: Bluetooth: hci0: BCM4364B3 Trinidad Olympic GEN (MFG)
Jan 11 17:42:26 MacBook kernel: Bluetooth: hci0: BCM (001.016.075) build 0099
Jan 11 17:42:26 MacBook kernel: Bluetooth: hci0: BCM: firmware Patch file not found, tried:
Jan 11 17:42:26 MacBook kernel: Bluetooth: hci0: BCM: 'brcm/BCM.hcd'
Jan 11 17:42:26 MacBook kernel: Bluetooth: hci0: Failed to read codec capabilities (-56)
Jan 11 17:42:26 MacBook kernel: Bluetooth: hci0: Failed to read codec capabilities (-56)
Jan 11 17:42:26 MacBook kernel: Bluetooth: hci0: Failed to read codec capabilities (-56)
Jan 11 17:42:26 MacBook kernel: Bluetooth: hci0: Failed to read codec capabilities (-56)
Jan 11 17:42:26 MacBook kernel: Bluetooth: hci0: Failed to read codec capabilities (-56)
Jan 11 17:42:26 MacBook kernel: Bluetooth: hci0: Failed to read codec capabilities (-56)
Jan 11 17:42:36 MacBook kernel: Bluetooth: BNEP (Ethernet Emulation) ver 1.3
Jan 11 17:42:36 MacBook kernel: Bluetooth: BNEP filters: protocol multicast
Jan 11 17:42:36 MacBook kernel: Bluetooth: BNEP socket layer initialized
Jan 11 17:43:20 MacBook kernel: Bluetooth: RFCOMM TTY layer initialized
Jan 11 17:43:20 MacBook kernel: Bluetooth: RFCOMM socket layer initialized
Jan 11 17:43:20 MacBook kernel: Bluetooth: RFCOMM ver 1.11
Jan 11 17:43:45 MacBook kernel: Bluetooth: hci0: Failed to read codec capabilities (-56)
Jan 11 17:43:45 MacBook kernel: Bluetooth: hci0: Failed to read codec capabilities (-56)
Jan 11 17:43:45 MacBook kernel: Bluetooth: hci0: Failed to read codec capabilities (-56)
Jan 11 17:43:45 MacBook kernel: Bluetooth: hci0: Failed to read codec capabilities (-56)
Jan 11 17:43:45 MacBook kernel: Bluetooth: hci0: Failed to read codec capabilities (-56)
Jan 11 17:43:45 MacBook kernel: Bluetooth: hci0: Failed to read codec capabilities (-56)

Also, we haven't got any reply from the maintainers yet. I hope that I shall get a reply this time

Regards
Aditya



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