add icarus to hotplug
diff --git a/cgminer.c b/cgminer.c
index 086b0d9..1654f9c 100644
--- a/cgminer.c
+++ b/cgminer.c
@@ -7052,6 +7052,10 @@ static void *hotplug_thread(void __maybe_unused *userdata)
new_devices = 0;
new_threads = 0;
+#ifdef USE_ICARUS
+ icarus_drv.drv_detect();
+#endif
+
#ifdef USE_BFLSC
bflsc_drv.drv_detect();
#endif