Re: usb device power down

Yes. In your driver, call PoRequestPowerIrp - device power IRP to state
D3 - at the necessary moment.
Be sure you will handle the races between this and the whole system going
down/hibernate/awaken.

--
Maxim Shatskih, Windows DDK MVP
StorageCraft Corporation
maxim@xxxxxxxxxxxxxxxx
http://www.storagecraft.com

"Gianni Zanone" <Gianni Zanone@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:5BDA0EEA-0C12-4C7D-AA76-4297B9358662@xxxxxxxxxxxxxxxx
> Can windows power down a usb device (put down +5V)?
> I would like to use a software switch on PC instead of a power swith on
> device.
> The device has external power supply.
>
>
>
>


.

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