A device includes a proximity sensor configured to detect when an object is within a predetermined proximity range of the device, and input detection circuitry configured to detect when an input operation is performed on the device. The terminal device includes control circuitry configured to determine a proximity detection state of the device, wherein an object detection state corresponds to a proximity state in which the object is detected within the predetermined proximity range, and an object non-detection state corresponds to a proximity state in which the object is not detected within the predetermined proximity range; control a suspended state of the device, wherein the suspended state is a state of reduced processing and/or power consumption; and control the input detection circuitry such that, when the device is in the suspended state and in the object detection state, the input detection circuitry stops input operation detection processing.