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IOCTL_LAMP_SET_INTENSITY_WHITE IOCTL (lamp.h)

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The IOCTL_LAMP_SET_INTENSITY_WHITE control code sets the lamp to the specified light intensity.

#define IOCTL_LAMP_SET_INTENSITY_WHITE \
    CTL_CODE(IOCTL_LAMP_BASE, 0x0005, METHOD_BUFFERED, FILE_ANY_ACCESS)

Major code

IRP_MJ_DEVICE_CONTROL

Input buffer

Irp->AssociatedIrp.SystemBuffer points to a LAMP_INTENSITY_WHITE structure.

Input buffer length

Length of a LAMP_INTENSITY_WHITE structure.

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