Date: Sat, 20 Dec 2008 17:05:04 +0100 From: Hans Petter Selasky <hselasky@c2i.net> To: "Rong-en Fan" <grafan@gmail.com> Cc: freebsd-current@freebsd.org, freebsd-usb@freebsd.org Subject: Re: USB power save, battery life and laptops Message-ID: <200812201705.05713.hselasky@c2i.net> In-Reply-To: <6eb82e0812200557o2700eb8ble49b5bb062693f85@mail.gmail.com> References: <200812201343.59663.hselasky@c2i.net> <6eb82e0812200557o2700eb8ble49b5bb062693f85@mail.gmail.com>
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On Saturday 20 December 2008, Rong-en Fan wrote: > On Sat, Dec 20, 2008 at 8:43 PM, Hans Petter Selasky <hselasky@c2i.net>wrote: > > Hi, > > > > I'm going to implement USB power save for USB2 shortly. > > > > If you have a laptop and want to do some battery life measurements, > > please stay tuned. I expect the patches to be complete and ready for > > testing within > > a few days. > > Does this allow CPU to enter C2 or C3 when USB2 module is loaded? > > Regards, > Rong-En Fan Yes, that is correctly guessed! --HPS
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