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Date: Fri, 29 Apr 2011 14:44:37 -0400
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Subject: Re: [PATCH 2/2] Remove wrong checking for legacy devices
From: Anderson Lizardo <anderson.lizardo@openbossa.org>
To: Claudio Takahasi <claudio.takahasi@openbossa.org>,
	Luiz Augusto von Dentz <luiz.dentz@gmail.com>,
	linux-bluetooth@vger.kernel.org
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On Fri, Apr 29, 2011 at 2:41 PM, Anderson Lizardo
<anderson.lizardo@openbossa.org> wrote:
> Hi Johan,
>
> On Fri, Apr 29, 2011 at 1:56 PM, Johan Hedberg <johan.hedberg@gmail.com> wrote:
>>> BTW: why this information needs to be exposed through the DeviceFound() signal?
>>> It is not used internally in the adapter.c source.
>>
>> It's useful for pairing UIs. If a device is expected to produce legacy
>> pairing when calling CreatePairedDevice the UI can ask the user for the
>> PIN *before* calling CreatePairedDevice and thereby eliminate the risk of
>> user response timeout locally.
>
> Maybe this is useful do be documented on doc/device-api.txt? The
> LegacyPairing only mentions "This property is useful in the
> Adapter.DeviceFound signal to anticipate whether legacy or simple
> pairing will occur.", but it is not mentioned *why* the API user might
> want to detect legacy pairing devices.

On another story, I'm not sure about BR/EDR, but for LE there is a
timeout associated with SMP pairing. Would this "anticipate user PIN
request" thing be necessary on this case as well?

Regards,
-- 
Anderson Lizardo
Instituto Nokia de Tecnologia - INdT
Manaus - Brazil