Introduce THERMAL_TREND_RAISE_FULL and THERMAL_TREND_DROP_FULL

These two new thermal_trend types are used to tell the governor
that the temeprature is raising/dropping quickly.

Thermal cooling governors should handle this situation and make
proper decisions, e.g. set cooling state to upper/lower limit directly
instead of one step each time.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>

diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index fe82022..883bcda 100644 (file)
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -74,6 +74,8 @@ enum thermal_trend {
        THERMAL_TREND_STABLE, /* temperature is stable */
        THERMAL_TREND_RAISING, /* temperature is raising */
        THERMAL_TREND_DROPPING, /* temperature is dropping */
+       THERMAL_TREND_RAISE_FULL, /* apply highest cooling action */
+       THERMAL_TREND_DROP_FULL, /* apply lowest cooling action */
 };
 
 /* Events supported by Thermal Netlink */