buildroot

config BR2_PACKAGE_ACPID

    bool "acpid"

    depends on BR2_x86_64 || BR2_i386

    help

      Advanced Configuration and Power Interface event daemon.

​

      Acpid is designed to notify user-space programs of ACPI events,

      and allows you to configure specific actions for specific events.

​

      http://sourceforge.net/projects/acpid2/