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Subject[RFC PATCH 3/4] thermal:core:Add genetlink notifications for monitoring falling temperature
Date
Add notification calls for trip type THERMAL_TRIP_COLD when temperature
crosses the trip point in either direction.

Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
---
drivers/thermal/thermal_core.c | 21 +++++++++++++++------
1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 750a89f0c20a..e2302ca1cd3b 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -429,12 +429,21 @@ static void handle_thermal_trip(struct thermal_zone_device *tz, int trip)
tz->ops->get_trip_hyst(tz, trip, &hyst);

if (tz->last_temperature != THERMAL_TEMP_INVALID) {
- if (tz->last_temperature < trip_temp &&
- tz->temperature >= trip_temp)
- thermal_notify_tz_trip_up(tz->id, trip);
- if (tz->last_temperature >= trip_temp &&
- tz->temperature < (trip_temp - hyst))
- thermal_notify_tz_trip_down(tz->id, trip);
+ if (type == THERMAL_TRIP_COLD) {
+ if (tz->last_temperature > trip_temp &&
+ tz->temperature <= trip_temp)
+ thermal_notify_tz_trip_down(tz->id, trip);
+ if (tz->last_temperature <= trip_temp &&
+ tz->temperature > (trip_temp + hyst))
+ thermal_notify_tz_trip_up(tz->id, trip);
+ } else {
+ if (tz->last_temperature < trip_temp &&
+ tz->temperature >= trip_temp)
+ thermal_notify_tz_trip_up(tz->id, trip);
+ if (tz->last_temperature >= trip_temp &&
+ tz->temperature < (trip_temp - hyst))
+ thermal_notify_tz_trip_down(tz->id, trip);
+ }
}

if (type == THERMAL_TRIP_CRITICAL || type == THERMAL_TRIP_HOT)
--
2.25.1
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