Return-Path: Date: Tue, 3 Nov 2009 09:06:56 +0000 (GMT) To: Julius Schwartzenberg Cc: linux-bluetooth@vger.kernel.org Subject: Re: Logitech Bluetooth mouse batteries drain quickly In-Reply-To: <4AEF6F94.4080209@zgod.cjb.net> References: <4AEF6F94.4080209@zgod.cjb.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Message-Id: <1257239216.552583.1029.nullmailer@galant.ukfsn.org> From: Iain Hibbert Sender: linux-bluetooth-owner@vger.kernel.org List-ID: On Tue, 3 Nov 2009, Julius Schwartzenberg wrote: > I have a rather strange problem. I bought a Logitech Bluetooth mouse some time > ago. It works very well in Ubuntu and I never had any usage problems. > > The strange thing is though, that the batteries that are inside the mouse > drain extremely quickly. I compared the time it takes the mouse to drain a set > full batteries to my flatmate's who uses the exact same mouse with Mac OS X. > It turns out that my batteries drain about four times as quickly as his. how quickly is 'extremely quickly' ? > I suspect however that Bluez is somehow talking with the device in such a way > the mouse doesn't sleep as quickly as when Mac OS X talks to it. Could this > somehow be the case? If so, what could I do to help solve this with Bluez? what are the link policy settings for that link? (see hcitool(1)) for instance, if I don't enable SNIFF mode then my [Apple] keyboard drains the batteries in a few days, vs many weeks otherwise .. regards, iain