Return-Path: Date: Fri, 17 Sep 2010 13:24:21 +0100 From: Matthew Garrett To: Oliver Neukum Cc: linux-bluetooth@vger.kernel.org, linux-usb@vger.kernel.org, marcel@holtmann.org Subject: Re: [PATCH 1/3] bluetooth: Take a runtime pm reference on hid connections Message-ID: <20100917122421.GA2072@srcf.ucam.org> References: <1284659895-27984-1-git-send-email-mjg@redhat.com> <201009171039.54110.oneukum@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <201009171039.54110.oneukum@suse.de> List-ID: On Fri, Sep 17, 2010 at 10:39:54AM +0200, Oliver Neukum wrote: > Am Donnerstag, 16. September 2010, 19:58:13 schrieb Matthew Garrett: > > Bluetooth runtime PM interacts badly with input devices - the connection > > will be dropped if the device becomes idle, resulting in noticable lag when > > the user interacts with the input device again. Bump the pm runtime count > > when the device is associated and release it when it's disassociated in > > order to avoid this. > > What is the effect on battery live of the external devices? That's a reasonable question. I'll see what I can measure. -- Matthew Garrett | mjg59@srcf.ucam.org