added some comments and removed the pointer back to device since it was unused

src/states/unlock_state.c

@@ -13,6 +13,8 @@ static void pressPwrMethod(Device_t *device) {
 }
 
 static void pressStrInputMethod(Device_t *device) {
+
+    // check to see if the entered string is the one to enter the debug state
     if (strcmp(device->entered_string, "dbg") == 0) {
         printf("entering debug state\n");
         setDeviceStateToDebug(device);
@@ -27,9 +29,8 @@ static void pressLockMethod(Device_t *device) {
 }
 
 void setDeviceStateToUnlock(Device_t *device) {
-    device->state = (DeviceState_t){
+    device->state = (DeviceState_t) {
         .state_name = name,
-        .device = device,
         .methods = (DeviceInterface_t){
             .pressPwr = &pressPwrMethod,
             .pressStrInput = &pressStrInputMethod,