Motorola USB08 - page 154

Designer Reference Manual USB08 Evaluation Board
154 Universal USB Device Driver (USBIO) MOTOROLA
Universal USB Device Driver (USBIO)
IOCTL_USBIO_CLEAR_FEATURE
The IOCTL_USBIO_CLEAR_FEATURE operation is used to clear or
disable a specific feature.
lpInBuffer Pointer to a buffer that contains an USBIO_FEATURE_REQUEST
(page 188) data structure. This data structure has t o be f illed compl etely
by the caller.
nInBufferSize Specifies the size, in bytes, of the buffer pointed to by lpInBuffer,
which has to be sizeof(USBIO_FEATURE_REQUEST) for this
operation.
lpOutBuffer Not used with this operation. Set to NULL.
nOutBufferSize Not used with this operation. Set to zero.
Comments The CLEAR_FEATURE request appears on the bus with the paramete rs
specified in the IOCTL_USBIO_CLEAR_FEATURE structure.