config CUSTOM_KERNEL_STEP_COUNTER bool "CUSTOM_KERNEL_STEP_COUNTER" help Kernel space step counter driver. A pedometer is a device, usually portable and electronic or electromechanical, that counts each step a person takes by detecting the motion of the person's hands or hips. config CUSTOM_KERNEL_SIGNIFICANT_MOTION_SENSOR bool "CUSTOM_KERNEL_SIGNIFICANT_MOTION_SENSOR" help Kernel space sigificant motion sensor driver. A motion detector is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area.