Bluetooth not working on 13d3:3585 IMC Networks Wireless_Device

[Luiz Augusto von Dentz]

Hi Chris,

On Wed, Oct 16, 2024 at 2:51 PM Luiz Augusto von Dentz
<luiz.dentz at gmail.com> wrote:
>
> Hi Grimoire,
>
> On Wed, Oct 16, 2024 at 3:28 AM Grimoire April <aprilgrimoire at gmail.com> wrote:
> >
> > Hi. I have a laptop with an integrated bluetooth adaptor recognized as
> > a usb device. However, it fails to initialize properly. Searching for
> > other instances on bugzilla, it seems others had success with
> > 13d3:3585 adaptors.
> >
> > (base) ➜  ~ sudo dmesg | grep Bluetooth
> > [    0.422244] Bluetooth: Core ver 2.22
> > [    0.422254] Bluetooth: HCI device and connection manager initialized
> > [    0.422257] Bluetooth: HCI socket layer initialized
> > [    0.422261] Bluetooth: L2CAP socket layer initialized
> > [    0.422265] Bluetooth: SCO socket layer initialized
> > [    0.530052] Bluetooth: HCI UART driver ver 2.3
> > [    0.535346] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
> > [    0.535355] Bluetooth: HIDP socket layer initialized
> > [    3.556068] Bluetooth: hci0: Opcode 0x0c03 failed: -110
> >
> > https://bugzilla.kernel.org/show_bug.cgi?id=218472
> >
> > I updated to 6.11.1 and the issue persists.
>
> Well it looks like the reset command is timing out, but the issue was
> originally the PID:VID was not supported in btusb so perhaps something
> else is happening, perhaps another manufacturer that don't support
> short-transfer which was introduced by 7b05933340f4 ("Bluetooth:
> btusb: Fix not handling ZPL/short-transfer") so try reverting that to
> see if it helps.

Seems this appears to be a Mediatek chip are you guys able to verify
the above change doesn't break with your controllers?

>
> > Thank you.
> >
>
>
> --
> Luiz Augusto von Dentz



-- 
Luiz Augusto von Dentz