Thread (1 message) 1 message, 1 author, 2021-08-13

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

From: <hidden>
Date: 2021-08-13 11:09:16

https://bugzilla.kernel.org/show_bug.cgi?id=60824
--- Comment #194 from Jay (jayfu@web.de) ---
(In reply to Swyter from comment #191)
@Jay, does it work fine with just the first patch? That's important.
With just the first patch it does not work:
[  107.129483] usb 1-1: new full-speed USB device number 6 using xhci_hcd
[  107.516042] usb 1-1: New USB device found, idVendor=0a12, idProduct=0001,
bcdDevice=88.91
[  107.516050] usb 1-1: New USB device strings: Mfr=0, Product=2,
SerialNumber=0
[  107.516052] usb 1-1: Product: BT DONGLE10
[  107.538827] Bluetooth: hci0: CSR: Unbranded CSR clone detected; adding
workarounds and force-suspending once...
[  107.538835] Bluetooth: hci0: CSR: Failed to suspend the device for our
Barrot 8041a02 receive-issue workaround

It works only with both patches.
Also please post your `hciconfig -a` *or* 'Read Local Version Information'
packet from your `btmon -w my.log` as shown here:
https://bugzilla.kernel.org/show_bug.cgi?id=60824#c119

We're interested in the HCI Version / Revision and LMP Version / Subversion
fields, which don't appear in your lsusb dumps, and show what really makes
your dongle unique.
The new bluez package does not contain hciconfig any more. btmon does not trace
any 'Read Local Version Information' packet. Is there another easy way to get
that information?

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