Motorola USB08 - page 169

Universal USB Device Driver (USBIO)
Programming Interface
USB08 Evaluation Board Designer Reference Manual
MOTOROLA Universal USB Device Driver (USBIO) 169
IOCTL_USBIO_SET_DEVICE_POWER_STATE
The IOCTL_USBIO_SET_DEVICE_POWER_STATE operation sets the
power state of the device.
lpInBuffer Pointer to a buffer that contains an USBIO_DEVICE_POWER
(page 206) data structure.
nInBufferSize Specifies the size, in bytes, of the buffer pointed to by lpInBuffer,
which has to be at least sizeof(USBIO_DEVICE_POWER) for this
operation.
lpOutBuffer Not used with this operation. Set to NULL.
nOutBufferSize Not used with this operation. Set to zero.
Comments The device power state is maintained internally by the USBIO driver.
This request may be used to change the current power state.
If the device is set to a power state different from D0 all pending requests
should be cancelled before.
See Also See E.4.3 Power Management (page 146) and the description of the
data structure USBIO_DEVICE_POWER (page 206) for details.