IOCTL_LAMP_SET_MODE IOCTL (lamp.h)
The IOCTL_LAMP_SET_MODE control code sets the mode in which the lamp operates.
#define IOCTL_LAMP_SET_MODE \
CTL_CODE(IOCTL_LAMP_BASE, 0x0003, METHOD_BUFFERED, FILE_ANY_ACCESS)
Major code
Input buffer
Irp->AssociatedIrp.SystemBuffer
points to a buffer of type LAMP_MODE.
Input buffer length
Length of a LAMP_MODE.
Output buffer
None.
Output buffer length
None.
Status block
The driver sets Irp->IoStatus.Status
to STATUS_SUCCESS or the appropriate error status.
If the device has been acquired by a camera driver, the lamp driver should return a STATUS_RESOURCE_IN_USE error via Irp->IoStatus.Status
.
Requirements
Requirement | Value |
---|---|
Header | lamp.h |