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-rw-r--r--include/linux/thermal.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 5946a3b90bb..6a1d43d2ec9 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -44,6 +44,12 @@ enum thermal_trip_type {
THERMAL_TRIP_CRITICAL,
};
+enum thermal_trend {
+ THERMAL_TREND_STABLE, /* temperature is stable */
+ THERMAL_TREND_RAISING, /* temperature is raising */
+ THERMAL_TREND_DROPPING, /* temperature is dropping */
+};
+
struct thermal_zone_device_ops {
int (*bind) (struct thermal_zone_device *,
struct thermal_cooling_device *);
@@ -65,6 +71,8 @@ struct thermal_zone_device_ops {
int (*set_trip_hyst) (struct thermal_zone_device *, int,
unsigned long);
int (*get_crit_temp) (struct thermal_zone_device *, unsigned long *);
+ int (*get_trend) (struct thermal_zone_device *, int,
+ enum thermal_trend *);
int (*notify) (struct thermal_zone_device *, int,
enum thermal_trip_type);
};
@@ -111,6 +119,7 @@ struct thermal_zone_device {
int tc2;
int passive_delay;
int polling_delay;
+ int temperature;
int last_temperature;
bool passive;
unsigned int forced_passive;