Re: ath3k Bluetooth adapter not loading: [0cf3:3004] Atheros Communications, Inc. AR3012 Bluetooth 4.0

[Sumit's Mailing Lists <lists@battlepenguin.com>]

On 06/06/15 14:16, Marcel Holtmann wrote:
> Hi Sumit,
>
>> I'm currently using an MSI WS60 laptop which contains the following
>> Bluetooth controller (from lsusb):
>>
>> Bus 003 Device 003: ID 0cf3:3004 Atheros Communications, Inc. AR3012
>> Bluetooth 4.0
> assuming that the firmware is present, this is most likely just missing the right VID/PID additions in the drivers. Please prepare a patch for that.
>
>> and the more detailed version:
>>
>> Bus 003 Device 003: ID 0cf3:3004 Atheros Communications, Inc. AR3012
>> Bluetooth 4.0
>> Device Descriptor:
>>  bLength                18
>>  bDescriptorType         1
>>  bcdUSB               1.10
>>  bDeviceClass          224 Wireless
>>  bDeviceSubClass         1 Radio Frequency
>>  bDeviceProtocol         1 Bluetooth
>>  bMaxPacketSize0        64
>>  idVendor           0x0cf3 Atheros Communications, Inc.
>>  idProduct          0x3004 AR3012 Bluetooth 4.0
>>  bcdDevice            0.01
>>  iManufacturer           0
>>  iProduct                0
>>  iSerial                 0
>>  bNumConfigurations      1
>>  Configuration Descriptor:
> I actually prefer /sys/kernel/debug/usb/devices output for the devices.
>
> Regards
>
> Marcel
>

Here is the output from /sys/kernel/debug/usb/devices for my ath3k (also
added it to the kernel bugzilla):

T:  Bus=03 Lev=02 Prnt=02 Port=02 Cnt=01 Dev#=  3 Spd=12   MxCh= 0
D:  Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=0cf3 ProdID=3004 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=(none)
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=(none)
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=(none)
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=(none)
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=(none)
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=(none)
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=(none)
E:  Ad=83(I) Atr=01(Isoc) MxPS=  49 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  49 Ivl=1ms

and the firmware the kernel is trying to load:

[  762.729370] usb 3-1.3: Direct firmware load for
ar3k/AthrBT_0x00000200.dfu failed with error -2
[  762.729373] Bluetooth: Patch file not found ar3k/AthrBT_0x00000200.dfu
[  762.729374] Bluetooth: Loading patch file failed
[  762.729381] ath3k: probe of 3-1.3:1.0 failed with error -2
[  762.729411] usbcore: registered new interface driver ath3k

Sumit