Index: ac_kernel/kernel/drivers/hwmon/intel_mid_thermal.c
===================================================================
--- ac_kernel.orig/kernel/drivers/hwmon/intel_mid_thermal.c
+++ ac_kernel/kernel/drivers/hwmon/intel_mid_thermal.c
@@ -94,8 +94,7 @@ MODULE_LICENSE("GPL");
 /*convert adc_val to die temperature */
 #define TO_MSIC_DIE_TEMP(adc_val)	((368 * (adc_val) / 1000) - 220)
 
-#define CHECK_INTERVAL (300 * HZ)
-
+#define CHECK_INTERVAL	(300 * HZ)
 #define TEMP_CONST1  0
 #define TEMP_CONST2  0
 #define PASSIVE_FREQ 2000
@@ -120,12 +119,14 @@ static int read_trip_temp(struct thermal
 static int read_curr_temp(struct thermal_zone_device *, long *);
 static int read_trip_type(struct thermal_zone_device *, int,
 					enum thermal_trip_type *);
-
+static int platform_thermal_monitor(struct thermal_zone_device *, int,
+					enum thermal_trip_type);
 struct thermal_zone_device_ops tzd_ops = {
 	.get_trip_type = read_trip_type,
 	.get_trip_temp = read_trip_temp,
 	.set_trip_temp = write_trip_temp,
 	.get_temp = read_curr_temp,
+	.notify = platform_thermal_monitor,
 };
 
 static char *name[MSIC_THERMAL_SENSORS] = {"skin0", "skin1",
@@ -564,6 +565,78 @@ static int read_curr_temp(struct thermal
 }
 
 /**
+ * is_event_valid - checks the event is valid or not
+ * @index: indicates which trip_point has caused the event
+ * context: can sleep
+ *
+ * Check whether has happened after the specified time interval.
+ * This is to avoid getting multiple (similar)events within a short
+ * span of time. Returns 1 only if the event has occurred after the
+ * CHECK_INTERVAL.
+ */
+static int is_event_valid(struct thermal_device_info *td_info,
+						unsigned int index)
+{
+	u64 now, check_time;
+
+	WARN_ON(td_info == NULL);
+
+	now  = get_jiffies_64();
+	check_time = td_info->event_timer[index];
+
+	if (time_before(now, check_time))
+		return 0;
+
+	td_info->event_timer[index] = now + CHECK_INTERVAL;
+
+	return 1;
+}
+
+/**
+ * platform_thermal_monitor - monitors the thermal behaviour of the platform
+ * @trip_index: index of the trip_point that will be checked
+ * @type: one of the thermal_trip_types
+ * context: can sleep
+ *
+ * This method monitors the thermal activities of the platform and generates
+ * a netlink event when current temperature crosses any of the thresholds.
+ */
+static int platform_thermal_monitor(struct thermal_zone_device *tz,
+				int trip_index, enum thermal_trip_type type)
+{
+	int cur_temp;
+	int trip_temp;
+	struct thermal_device_info *td_info =
+		(struct thermal_device_info *)tz->devdata;
+
+	WARN_ON(td_info == NULL);
+
+	cur_temp = td_info->curr_temp;
+	trip_temp = td_info->trip_temp[trip_index];
+
+	if (!is_event_valid(td_info, trip_index))
+		return 0;
+
+	switch (trip_index) {
+	case 0:
+		if (cur_temp <= trip_temp)
+			generate_netlink_event(tz->id, THERMAL_AUX0);
+		break;
+	case 1:
+		if (cur_temp >= trip_temp)
+			generate_netlink_event(tz->id, THERMAL_AUX1);
+		break;
+	case 2:
+		if (cur_temp >= trip_temp)
+			generate_netlink_event(tz->id, THERMAL_CRITICAL);
+		break;
+	default:
+		WARN_ON(1);
+	}
+	return 0;
+}
+
+/**
  * mid_thermal_probe - mfld thermal initialize
  * @pdev: platform device structure
  * Context: can sleep