Date: Mon, 13 Dec 2004 12:08:07 -0800 From: Nate Lawson <nate@root.org> To: Warner Losh <imp@rover.village.org> Cc: rafan@infor.org Subject: Re: current powerstate and manually turn on/off? Message-ID: <41BDF6A7.3040702@root.org> In-Reply-To: <20041213.121233.104111469.imp@harmony.village.org> References: <20041213190604.GA81993@svm.csie.ntu.edu.tw> <20041213.121233.104111469.imp@harmony.village.org>
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Warner Losh wrote: >>By using sysctl, I do know what's the current powerstate >>of each device. I wounder is there any command or sysctl >>that can manually turn device on or off? > > > Not really, no. I think this is something the drivers should handle and we don't need to add user access to power states since it's probably the biggest way to shoot yourself in the foot. We already power down devices with no driver attached and once drivers get smart about powering down devices that are idle, this would cover all scenarios. -- Nate
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