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Subject[PATCH RFC 4/8] thermal:core:Add genetlink notifications for monitoring falling temperature
Date
Add notification calls for trip points that are being monitored for
falling temperatures.

Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
---
drivers/thermal/thermal_core.c | 25 +++++++++++++++++++------
1 file changed, 19 insertions(+), 6 deletions(-)

diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 72bf159bcecc..bfd436379408 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -417,6 +417,7 @@ static void handle_critical_trips(struct thermal_zone_device *tz,
static void handle_thermal_trip(struct thermal_zone_device *tz, int trip)
{
enum thermal_trip_type type;
+ enum thermal_trip_monitor_type mon_type;
int trip_temp, hyst = 0;

/* Ignore disabled trip points */
@@ -428,13 +429,25 @@ static void handle_thermal_trip(struct thermal_zone_device *tz, int trip)
if (tz->ops->get_trip_hyst)
tz->ops->get_trip_hyst(tz, trip, &hyst);

+ if (tz->ops->get_trip_mon_type)
+ tz->ops->get_trip_mon_type(tz, trip, &mon_type);
+
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 (mon_type == THERMAL_TRIP_MONITOR_FALLING) {
+ 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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