Symbol: PID_DIRECTION_ENABLE
drivers/hid/usbhid/hid-pidff.c
1001
pidff->set_effect[PID_DIRECTION_ENABLE].value[0] = 1;
drivers/hid/usbhid/hid-pidff.c
411
pidff->set_effect[PID_DIRECTION_ENABLE].value[0] = direction_enable;