Ioctl_usbio_set_device_power_state – Motorola USB08 User Manual
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
(
) 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
) and the description of the
data structure USBIO_DEVICE_POWER (
) for details.