Fix lost settings on battery plug/unplug

src/battery/battery.c

@@ -181,6 +181,12 @@ void cleanup_battery()
 	battery_os_free();
 }
 
+void reinit_battery()
+{
+	battery_os_free();
+	battery_found = battery_os_init();
+	update_battery();
+}
 void init_battery()
 {
 	if (!battery_enabled)

src/battery/battery.h

@@ -100,6 +100,7 @@ int update_battery();
 void init_battery();
 void init_battery_panel(void *panel);
 
+void reinit_battery();
 void draw_battery(void *obj, cairo_t *c);
 
 int  resize_battery(void *obj);

src/battery/linux.c

@@ -73,8 +73,7 @@ static struct uevent_notify psy_change = {
 
 static void uevent_battery_plug() {
 	printf("reinitialize batteries after HW change\n");
-	cleanup_battery();
-	init_battery();
+	reinit_battery();
 }
 static struct uevent_notify psy_plug = {
 	UEVENT_ADD | UEVENT_REMOVE,