IOCTL_LAMP_SET_MODE IOCTL

Description

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)

Parameters

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.

Input/output buffer

Input/output buffer length

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.