PID_DIRECTION_ENABLE 310 drivers/hid/usbhid/hid-pidff.c pidff->set_effect[PID_DIRECTION_ENABLE].value[0] = 1; PID_DIRECTION_ENABLE 738 drivers/hid/usbhid/hid-pidff.c pidff->set_effect[PID_DIRECTION_ENABLE].value[0] = 1;