[pulseaudio-discuss] [PATCH v5 5/7] bluetooth: Auto recover if profile is 'off'

[Luiz Augusto von Dentz]

Hi Georg,

On Thu, May 11, 2017 at 1:51 PM, Georg Chini <georg at chini.tk> wrote:
> On 11.05.2017 11:55, Tanu Kaskinen wrote:
>>
>> On Mon, 2017-05-08 at 13:09 +0300, Luiz Augusto von Dentz wrote:
>>>
>>> Hi Tanu,
>>>
>>> On Mon, May 8, 2017 at 11:53 AM, Tanu Kaskinen <tanuk at iki.fi> wrote:
>>>>
>>>> On Mon, 2017-05-08 at 11:26 +0300, Luiz Augusto von Dentz wrote:
>>>>>
>>>>> Hi Tanu,
>>>>>
>>>>> On Sat, May 6, 2017 at 7:20 PM, Tanu Kaskinen <tanuk at iki.fi> wrote:
>>>>>>
>>>>>> On Fri, 2017-05-05 at 16:41 +0300, Luiz Augusto von Dentz wrote:
>>>>>>>
>>>>>>> Hi Tanu,
>>>>>>>
>>>>>>> On Thu, May 4, 2017 at 3:29 PM, Tanu Kaskinen <tanuk at iki.fi> wrote:
>>>>>>>>
>>>>>>>> On Thu, 2017-05-04 at 12:58 +0300, Luiz Augusto von Dentz wrote:
>>>>>>>>>
>>>>>>>>> From: Luiz Augusto von Dentz <luiz.von.dentz at intel.com>
>>>>>>>>>
>>> Here there something that perhaps is not clear, both A2DP and HFP are
>>> symmetric in terms of audio control, both sides can suspend and resume
>>> the stream regardless of their role.
>
> If you read the HFP 1.7 specification, it says, that the audio connection
> may be initiated from both sides. That does however not mean, that a
> SCO connection can be set up from both sides. If you take a look at the
> diagrams 4.19 to 4.21 in the section 4.11 you can see that the actual
> SCO connection is always initiated from the AG side.

That is only valid for starting at 1.6 where AT+BCC was introduced,
still that is symmetric in a sense that either side case initiates an
audio connection it just happens that the command sequence is
different. Previous to 1.6 any side could open SCO at will.

-- 
Luiz Augusto von Dentz