From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Krivoschekov Subject: charging batteries from USB [was: Re: Alternative Concept] Date: Sat, 24 Mar 2007 03:47:34 +0300 Message-ID: <46047526.5020707@gmail.com> References: <44ECFF94.3030506@gmail.com> <200703200107.17290.david-b@pacbell.net> <45FFAD39.1000302@gmail.com> <200703201258.03926.david-b@pacbell.net> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <200703201258.03926.david-b@pacbell.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.linux-foundation.org Errors-To: linux-pm-bounces@lists.linux-foundation.org To: David Brownell Cc: Dominik Brodowski , Pavel Machek , linux-pm@lists.osdl.org List-Id: linux-pm@vger.kernel.org David Brownell wrote: >> For example, in USB you are able to enable/disable autosuspend rule, >> don't know if it's possible to disable it at runtime though. > > There are patches to allow disabling it at runtime through sysfs > attributes of any given device. > > The primary reason to have one is bugs in those external devices, > where they don't behave according to the USB spec. That's the If I didn't miss something, the primary reason was to allow devices to charge batteries from the bus, so, does USB specs restrict this somehow? Or, what's wrong with that? Thanks, Dmitry