[Bug 60824] [PATCH][regression] Cambridge Silicon Radio, Ltd Bluetooth Dongle unusable

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=60824

--- Comment #199 from guimarcalsilva@gmail.com ---
(In reply to guimarcalsilva from comment #198)
> I tested it using a live image of Fedora Rawride from September 8 2021 with
> the development version of Kernel 5.15. The dongle is detected but I can't
> turn it on in the settings or in blueman:
> 
> [1125.221008] usb 1-4: USB disconnect, device number 14
> [1130.356918] usb 1-4: new full-speed USB device number 15 using xhci_hcd
> [1130.486202] usb 1-4: New USB device found, idVendor=0a12, idProduct-0001,
> bcdDevice=25.20
> [1130.486219] usb 1-4: New USB device strings: Mfr=0, Product=2,
> SerialNumber=0 [1130.486227] usb 1-4: Product: CSR8510 A10
> [1130.496424] Bluetooth: hci0: CSR: Unbranded CSR clone detected; adding
> workarounds and force-suspending once... 
> [1135.982384] Bluetooth: hci0: CSR: Failed to suspend the device for our
> Barrot 8041a02 receive-issue workaround
> [1141.099165] Bluetooth: hci0: setting interface failed (110)
> 
> My dongle is packaged as a Bluetooth 5 device. Unfortunately I couldn't run
> hciconfig because for some reason dnf refused to work on the live image.
> I'll try bringing more logs later.

Update - I managed to make it work with the same live image on my laptop
(before I had tested on my desktop), but first I had to change the USB port it
was connected to. It didn`t work before doing that. 

On Fedora there`s no hciconfig anymore, and since my laptop already has a
internal bluetooth adapter btmon looks confusing. I made sure to select the
right adapter on blueman and also on bluetoothctl.

I connected my DualShock 4 to my laptop using the adapter and it worked after
changing USB ports and also I had to try a couple of times.

Dmesg

[ 2205.255388] blueman-manager (4133) used greatest stack depth: 11800 bytes
left
[ 2215.403794] usb 1-4: new full-speed USB device number 13 using xhci_hcd
[ 2215.533560] usb 1-4: New USB device found, idVendor=0a12, idProduct=0001,
bcdDevice=25.20
[ 2215.533566] usb 1-4: New USB device strings: Mfr=0, Product=2,
SerialNumber=0
[ 2215.533569] usb 1-4: Product: CSR8510 A10
[ 2215.542252] Bluetooth: hci0: CSR: Unbranded CSR clone detected; adding
workarounds and force-suspending once...
[ 2215.542266] Bluetooth: hci0: CSR: Failed to suspend the device for our
Barrot 8041a02 receive-issue workaround
[ 2479.091850] sony 0005:054C:09CC.0004: unknown main item tag 0x0
[ 2479.110875] input: Wireless Controller Touchpad as
/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/bluetooth/hci0/hci0:48/0005:054C:09CC.0004/input/input27
[ 2479.111617] input: Wireless Controller Motion Sensors as
/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/bluetooth/hci0/hci0:48/0005:054C:09CC.0004/input/input28
[ 2479.120271] input: Wireless Controller as
/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/bluetooth/hci0/hci0:48/0005:054C:09CC.0004/input/input26
[ 2479.121803] sony 0005:054C:09CC.0004: input,hidraw0: BLUETOOTH HID v81.00
Gamepad [Wireless Controller] on 00:1a:7d:da:71:10


The 00:1a:7d:da:71:10 address is from the fake bluetooth dongle. The internal
bluetooth uses 54:8C:A0:A8:AC:E0. I`m sure I`m connecting through the right
bluetooth adapter because when I disconnect the dongle the controller gets
disconnected and a bluetoothctl + list only shows the internal adapter.


The question now is why do I have to change USB ports for it to work on my
laptop and why it didn`t work on my desktop with the same live system. I`ll try
once again on my desktop and see if I manage to make it work.

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