From mboxrd@z Thu Jan  1 00:00:00 1970
From: Greg KH <greg@kroah.com>
Subject: Re: How to enable/power off a port
Date: Mon, 17 Apr 2006 07:26:14 -0700
Message-ID: <20060417142614.GA32263@kroah.com>
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On Mon, Apr 17, 2006 at 05:12:11PM +0530, rasmit.ranjan@wipro.com wrote:
> Hi all,
> 	I can suspend a port from the user space manualy by doing
> 	
> 	echo -n 3 > /sys/bus/usb....../power/state
> 
> Similarlly can I enable/power off a port from the user space manually ?

Search the archives of the linux-usb-devel mailing list for a small
program that does this through usbfs.  That's the only way to disable
power for a USB port (and then only for some hubs, not all support it.)

good luck,

greg k-h

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