Date: Tue, 30 Aug 2011 01:18:29 +0700 From: Eugene Grosbein <egrosbein@rdtc.ru> To: Hans Petter Selasky <hselasky@c2i.net> Cc: freebsd-usb@freebsd.org Subject: Re: power off port physically Message-ID: <4E5BD7F5.1010700@rdtc.ru> In-Reply-To: <201108292011.00706.hselasky@c2i.net> References: <4E5BD533.6010208@rdtc.ru> <201108292011.00706.hselasky@c2i.net>
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30.08.2011 01:11, Hans Petter Selasky wrote: >> 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. >> 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. I use motherboard-integrated USB ports. How do I "re-enumerate" the parent HUB? I've tried "usbconfig -d 4.1 set_config 255" - it does not power my device off. I need not quick reset. I need power it off for long time. Eugene Grosbein
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