Return-Path: MIME-Version: 1.0 In-Reply-To: References: <1399555935-702-1-git-send-email-andrzej.kaczmarek@tieto.com> <1399555935-702-8-git-send-email-andrzej.kaczmarek@tieto.com> From: Andrzej Kaczmarek Date: Thu, 8 May 2014 22:06:34 +0200 Message-ID: Subject: Re: [PATCH 7/8] Bluetooth: Avoid pooling TX power for LE links To: Marcel Holtmann Cc: linux-bluetooth Content-Type: text/plain; charset=UTF-8 List-ID: Hi Marcel, On 8 May 2014 17:29, Marcel Holtmann wrote: > Hi Andrzej, > >> TX power for LE links is immutable thus we do not need to query for it >> if already have value. > > can you include the part from the specification that clarifies this. I'm not sure there's quote in spec that says this explicitly... iirc there's explicit statement that it can be controlled on physical link by LM for BR/EDR, but for LE I could not find such information. I assume it does not change as otherwise TPS spec does not make sense. But does my reasoning make sense? :-) BR, Andrzej