Bug 98221

Summary:	[REGRESSION] Conwise Technology Co., Ltd. CW6622 Bluetooth Dongle doesn't work
Product:	Drivers	Reporter:	Ivan Svalov (worryag)
Component:	Bluetooth	Assignee:	linux-bluetooth (linux-bluetooth)
Status:	NEW ---
Severity:	normal	CC:	avdhooth, david, szymon.janc, worryag
Priority:	P1
Hardware:	x86-64
OS:	Linux
Kernel Version:	4.0.2	Subsystem:
Regression:	Yes	Bisected commit-id:
Attachments:	/sys/kernel/debug/usb/devices hcidump hciconfig dmesg lsusb fix

Description Ivan Svalov 2015-05-13 16:14:37 UTC

Created attachment 176671 [details]
/sys/kernel/debug/usb/devices

Bt dongle dont work after upgrading from 3.19.8 to 4.0.2

Comment 1 Ivan Svalov 2015-05-13 16:17:16 UTC

Created attachment 176681 [details]
hcidump

Comment 2 Ivan Svalov 2015-05-13 16:18:09 UTC

Created attachment 176691 [details]
hciconfig

Comment 3 Ivan Svalov 2015-05-13 16:18:34 UTC

Created attachment 176701 [details]
dmesg

Comment 4 Ivan Svalov 2015-05-13 16:19:03 UTC

Created attachment 176711 [details]
lsusb

Comment 5 avdhooth 2016-08-21 05:59:20 UTC

Not working in in 4.6.x. dongle work in windows.

Comment 6 Szymon Janc 2016-08-21 18:43:27 UTC

Looks like this chip has broken support for Read Stored Link Key command.

Can you try attached patch?

Comment 7 Szymon Janc 2016-08-21 18:44:08 UTC

Created attachment 229591 [details]
fix

Comment 8 avdhooth 2016-08-23 09:07:26 UTC

I will try attached patch allow me some time.

Comment 9 avdhooth 2016-08-26 06:01:58 UTC

Awesome!! Patch working perfectly tested with v4.7.2. Is it going mearge?
Thanks.

Comment 10 David Campbell 2017-01-09 01:43:37 UTC

Shouldn't the status of this defect be changed to reflect the fact that a patch exists?  It is still in state NEW.

Comment 11 Szymon Janc 2017-01-09 09:15:12 UTC

This should be already fixed in 4.9.