[PATCH 2/5] station: update SignalStrength/Frequency for BSS interface

When the BSS's signal or frequency changes, update those properties
---
 src/station.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/station.c b/src/station.c
index 14c93671..85ed2898 100644
--- a/src/station.c
+++ b/src/station.c
@@ -545,10 +545,21 @@ static bool station_register_bss(struct network *network, struct scan_bss *bss)
 	 * scan_bss pointer, as this one will be freed soon.
 	 */
 	old = l_dbus_object_get_data(dbus_get_bus(), path, IWD_BSS_INTERFACE);
-	if (old)
-		return l_dbus_object_set_data(dbus_get_bus(), path,
+	if (old) {
+		l_dbus_object_set_data(dbus_get_bus(), path,
 						IWD_BSS_INTERFACE, bss);
 
+		if (old->signal_strength != bss->signal_strength)
+			l_dbus_property_changed(dbus_get_bus(), path,
+					IWD_BSS_INTERFACE, "SignalStrength");
+
+		if (old->frequency != bss->frequency)
+			l_dbus_property_changed(dbus_get_bus(), path,
+					IWD_BSS_INTERFACE, "Frequency");
+
+		return true;
+	}
+
 	if (!l_dbus_object_add_interface(dbus_get_bus(), path,
 						IWD_BSS_INTERFACE, bss))
 		return false;
-- 
2.34.1