power: supply: bq27xxx_battery: Notify also about status changes

User-space might be interested in receiving uevents when the charging
starts/stops or if conditions of battery changes (e.g.
over-temperature).  Notify about changes in battery also when the flags
change, not only SoC.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

drivers/power/supply/bq27xxx_battery.c

@@ -1612,7 +1612,8 @@ void bq27xxx_battery_update(struct bq27xxx_device_info *di)
 			di->charge_design_full = bq27xxx_battery_read_dcap(di);
 	}
 
-	if (di->cache.capacity != cache.capacity)
+	if ((di->cache.capacity != cache.capacity) ||
+	    (di->cache.flags != cache.flags))
 		power_supply_changed(di->bat);
 
 	if (memcmp(&di->cache, &cache, sizeof(cache)) != 0)