Bug 98221 - [REGRESSION] Conwise Technology Co., Ltd. CW6622 Bluetooth Dongle doesn't work
Summary: [REGRESSION] Conwise Technology Co., Ltd. CW6622 Bluetooth Dongle doesn't work
Status: NEW
Alias: None
Product: Drivers
Classification: Unclassified
Component: Bluetooth (show other bugs)
Hardware: x86-64 Linux
: P1 normal
Assignee: linux-bluetooth@vger.kernel.org
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2015-05-13 16:14 UTC by Ivan Svalov
Modified: 2017-01-09 09:15 UTC (History)
4 users (show)

See Also:
Kernel Version: 4.0.2
Subsystem:
Regression: Yes
Bisected commit-id:

Attachments
/sys/kernel/debug/usb/devices (877 bytes, text/plain)
2015-05-13 16:14 UTC, Ivan Svalov 		Details
hcidump (3.11 KB, text/plain)
2015-05-13 16:17 UTC, Ivan Svalov 		Details
hciconfig (514 bytes, text/plain)
2015-05-13 16:18 UTC, Ivan Svalov 		Details
dmesg (481 bytes, text/plain)
2015-05-13 16:18 UTC, Ivan Svalov 		Details
lsusb (69 bytes, text/plain)
2015-05-13 16:19 UTC, Ivan Svalov 		Details
fix (2.37 KB, patch)
2016-08-21 18:44 UTC, Szymon Janc 		Details | Diff
Add an attachment (proposed patch, testcase, etc.)

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.
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