@Jesse Sung (wenchien): Userspace tool is in linux kernel tree (since 3.16 commit 3a57cc5f1935d824c36264e0fa888d7d6a9038c0) in file: Documentation/laptops/freefall.c
@Jesse Sung (wenchien): Userspace tool is in linux kernel tree (since 3.16 commit 3a57cc5f1935d82 4c36264e0fa888d 7d6a9038c0) in file: Documentation/ laptops/ freefall. c