Re: [PATCH] Bluetooth: btusb: Add IMC Networks QCA9377 to quirks table

[Tibor Harcsa]

resending, because the previous one was bounced back by the mail lists.

On Mon, 29 Jun 2026 at 21:00, Tibor Harcsa <silurust@xxxxxxxxx> wrote:
>
> Hi Luiz,
>
> Thanks. Here is the requested `/sys/kernel/debug/usb/devices` output for the affected controller:
>
> P:  Vendor=13d3 ProdID=3503 Rev= 0.01
> C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA
> I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
> E:  Ad=81(I) Atr=03(Int.) MxPS=  16 Ivl=1ms
> E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
> E:  Ad=02(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
> I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
> E:  Ad=83(I) Atr=01(Isoc) MxPS=   0 Ivl=1ms
> E:  Ad=03(O) Atr=01(Isoc) MxPS=   0 Ivl=1ms
> I:  If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
> E:  Ad=83(I) Atr=01(Isoc) MxPS=   9 Ivl=1ms
> E:  Ad=03(O) Atr=01(Isoc) MxPS=   9 Ivl=1ms
> I:  If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
> E:  Ad=83(I) Atr=01(Isoc) MxPS=  17 Ivl=1ms
> E:  Ad=03(O) Atr=01(Isoc) MxPS=  17 Ivl=1ms
> I:  If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
> E:  Ad=83(I) Atr=01(Isoc) MxPS=  25 Ivl=1ms
> E:  Ad=03(O) Atr=01(Isoc) MxPS=  25 Ivl=1ms
> I:  If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
> E:  Ad=83(I) Atr=01(Isoc) MxPS=  33 Ivl=1ms
> E:  Ad=03(O) Atr=01(Isoc) MxPS=  33 Ivl=1ms
> I:  If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
> E:  Ad=83(I) Atr=01(Isoc) MxPS=  49 Ivl=1ms
> E:  Ad=03(O) Atr=01(Isoc) MxPS=  49 Ivl=1ms
>
> This is the device that shows the BLE scan failure unless it is handled as QCA Rome.
>
> Signed-off-by: Tibor Harcsa <silurust@xxxxxxxxx>
>
> PS earlier troubleshooting info is stored here:
> https://github.com/tiborh/bt-troubleshooting
>
>
> On Mon, 29 Jun 2026 at 19:56, Luiz Augusto von Dentz <luiz.dentz@xxxxxxxxx> wrote:
>>
>> Hi Tibor,
>>
>> On Sat, Jun 27, 2026 at 11:35 AM Tibor Harcsa <silurust@xxxxxxxxx> wrote:
>> >
>> > Add the USB ID (13d3:3503) for the IMC Networks Qualcomm Atheros
>> > QCA9377 Bluetooth controller to the btusb quirks table. This
>> > device requires Qualcomm Rome firmware and wideband speech support
>> > to function properly; otherwise, BLE scanning fails with HCI
>> > unexpected event opcode 0x2005 errors.
>>
>> Need the contents of /sys/kernel/debug/usb/devices (use git log
>> driver/bluetooth/btusb.c to see what it is typical output).
>>
>> > Signed-off-by: Tibor Harcsa <silurust@xxxxxxxxx>
>> > ---
>> >  drivers/bluetooth/btusb.c | 2 ++
>> >  1 file changed, 2 insertions(+)
>> >
>> > diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
>> > index 08c0a99a6..7963fd48a 100644
>> > --- a/drivers/bluetooth/btusb.c
>> > +++ b/drivers/bluetooth/btusb.c
>> > @@ -297,6 +297,8 @@ static const struct usb_device_id quirks_table[] = {
>> >                                                      BTUSB_WIDEBAND_SPEECH },
>> >         { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME |
>> >                                                      BTUSB_WIDEBAND_SPEECH },
>> > +       { USB_DEVICE(0x13d3, 0x3503), .driver_info = BTUSB_QCA_ROME |
>> > +                                                    BTUSB_WIDEBAND_SPEECH },
>> >
>> >         /* QCA WCN6855 chipset */
>> >         { USB_DEVICE(0x0489, 0xe0c7), .driver_info = BTUSB_QCA_WCN6855 |
>> > --
>> > 2.54.0
>> >
>>
>>
>> --
>> Luiz Augusto von Dentz