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IOCTL_LAMP_SET_MODE IOCTL (lamp.h)

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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

IRP_MJ_DEVICE_CONTROL

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