Re: Can't connect a Xbox one controller

[Luiz Augusto von Dentz <luiz.dentz@gmail.com>]

Hi Anthony,

On Thu, Aug 18, 2016 at 5:52 PM, Anthony Bourguignon <contact@toniob.net> w=
rote:
> Le jeudi 18 ao=C3=BBt 2016 =C3=A0 16:56 +0300, Luiz Augusto von Dentz a =
=C3=A9crit :
>> Hi Anthony,
>>
>> On Thu, Aug 18, 2016 at 1:11 PM, Anthony Bourguignon <contact@toniob.
>> net> wrote:
>> >
>> > Hi,
>> >
>> > I've recently bought a new xbox one controller as the 2016 version
>> > has
>> > bluetooth connectivity.
>> >
>> > The controller is pairing and connecting well on a windows 10
>> > computer
>> > and an android 4.4 tablet. But I can"t make it connect under linux
>> > (Debian unstable, kernel 4.6 and 4.7-rc7, bluez 5.40 from
>> > experimental). The pairing is ok but when I try to connect to
>> > controller, it stays connected for less than one second, then
>> > disconnects, then connects again and so one until the controller
>> > goes
>> > to sleep, because of the lack of a remote connection.
>> >
>> > Any idea ?
>>
>> It seems there is some problem configuring the L2CAP connection
>> (probably for SDP):
>>
>> >
>> > ACL data: handle 256 flags 0x02 dlen 15
>>     L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 3 clen 1
>>       Failure - unknown options
>>       RFC
>> < ACL data: handle 256 flags 0x00 dlen 12
>>     L2CAP(s): Disconn req: dcid 0x0040 scid 0x0040
>
> So, is it a bug of bluez or of the controller firmware ? Why is it
> possible to make a connection with an android tablet ?
>
> Is there something more I can do to help ?

Well perhaps we can compare to what other stacks are responding, but
this seem quite weird given L2CAP_Config request is an essential part
of setting up L2CAP connections so a response with unknown options
sounds kind broken, but perhaps other stacks are ignoring it.

--=20
Luiz Augusto von Dentz