IOCTL_LAMP_SET_EMITTING_LIGHT IOCTL

Description

The IOCTL_LAMP_SET_EMITTING_LIGHT control code turns the lamp on or off.

#define IOCTL_LAMP_SET_EMITTING_LIGHT \
    CTL_CODE(IOCTL_LAMP_BASE, 0x0009, METHOD_BUFFERED, FILE_ANY_ACCESS)

Parameters

Major code

Input buffer

Irp->AssociatedIrp.SystemBuffer points to a buffer of type BOOLEAN, with TRUE indicating a request to turn the lamp on; FALSE otherwise.

Input buffer length

Length of a BOOLEAN.

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.