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From: Andrew Barr <andrew.james.barr@gmail.com>
To: linux-kernel@vger.kernel.org
Subject: Cut power to a USB port?
Date: Mon, 01 Jan 2007 15:56:25 -0500	[thread overview]
Message-ID: <1167684985.28023.4.camel@localhost> (raw)

I have a simple question perhaps someone can help me with here...

I have one of those simple LED keyboard lamps that get their power from
the USB port. Is there some way in Linux, using files under /sys I would
imagine, to cut power to the USB port into which this lamp is plugged? I
know I would have to manually figure out what port it's plugged into, as
it is not a "real" USB device...e.g. it just draws power. I would like
to be able to programmatically switch the lamp on and off.

Thanks in advance,
Andrew Barr

Please CC any replies


             reply	other threads:[~2007-01-01 20:56 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-01 20:56 Andrew Barr [this message]
2007-01-01 21:52 ` Cut power to a USB port? Oliver Neukum
2007-01-02  8:32 ` Greg KH
2007-01-02 15:28   ` Andrew Barr
2007-01-02 16:36     ` Randy Dunlap
2007-01-02 17:08       ` Andrew Barr

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