Date: Mon, 29 Aug 2011 20:11:00 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org Cc: Eugene Grosbein <egrosbein@rdtc.ru> Subject: Re: power off port physically Message-ID: <201108292011.00706.hselasky@c2i.net> In-Reply-To: <4E5BD533.6010208@rdtc.ru> References: <4E5BD533.6010208@rdtc.ru>
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On Monday 29 August 2011 20:06:43 Eugene Grosbein wrote: > Hi! > Hi, > How do I power USB port off with FreeBSD 8.2-STABLE? If you use an external HUB and the HUB does not have the power always one, like some do, it should be enough to re-enumerate the parent HUB which your device is connected to. --HPS > > I have USB 3G modem with LED and all my attempts to power it off > with usbconfig power_off/power_on, set_state 255 to its hub do nothing > to modem's LED that is ON still, so modem does not get powered off > physically. > > I have Intel D975XBX motherboard and use its onboard USB2.0 ports: > > # usbconfig > ugen0.1: <UHCI root HUB Intel> at usbus0, cfg=0 md=HOST spd=FULL (12Mbps) > pwr=SAVE ugen1.1: <UHCI root HUB Intel> at usbus1, cfg=0 md=HOST spd=FULL > (12Mbps) pwr=SAVE ugen2.1: <UHCI root HUB Intel> at usbus2, cfg=0 md=HOST > spd=FULL (12Mbps) pwr=SAVE ugen3.1: <UHCI root HUB Intel> at usbus3, cfg=0 > md=HOST spd=FULL (12Mbps) pwr=SAVE ugen4.1: <EHCI root HUB Intel> at > usbus4, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=SAVE ugen0.2: <Smart-UPS 750 > FW651.18.I USB FW7.4 American Power Conversion> at usbus0, cfg=0 md=HOST > spd=LOW (1.5Mbps) pwr=ON ugen4.2: <USB 2.0 4-Port Hub NEC> at usbus4, > cfg=0 md=HOST spd=HIGH (480Mbps) pwr=SAVE ugen4.3: <ZTE CDMA Technologies > MSM ZTE, Incorporated> at usbus4, cfg=255 md=HOST spd=HIGH (480Mbps) > pwr=ON > > As you can see, I also have additional USB Hub intergrated with my monitor, > tried its ports too - without luck. > > Please CC: me as I'm not in the list.
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