[PATCH 13/13] thermal: of: implement .set_trips for device tree thermal zones

Sascha Hauer
2015-03-26T15:54:25Z

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
drivers/thermal/of-thermal.c | 12 ++++++++++++
include/linux/thermal.h | 1 +
2 files changed, 13 insertions(+)

diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c
index 9b63193..a3de5de 100644
--- a/drivers/thermal/of-thermal.c
+++ b/drivers/thermal/of-thermal.c
@@ -97,6 +97,17 @@ static int of_thermal_get_temp(struct thermal_zone_device *tz,
return data->ops->get_temp(data->sensor_data, temp);
}

+static int of_thermal_set_trips(struct thermal_zone_device *tz,
+ unsigned long low, unsigned long high)
+{
+ struct __thermal_zone *data = tz->devdata;
+
+ if (!data->ops || !data->ops->set_trips)
+ return -ENOSYS;
+
+ return data->ops->set_trips(data->sensor_data, low, high);
+}
+
/**
* of_thermal_get_ntrips - function to export number of available trip
* points.
@@ -367,6 +378,7 @@ static int of_thermal_get_crit_temp(struct thermal_zone_device *tz,

static const struct thermal_zone_device_ops of_thermal_ops = {
.get_temp = of_thermal_get_temp,
+ .set_trips = of_thermal_set_trips,
.get_trend = of_thermal_get_trend,
.set_emul_temp = of_thermal_set_emul_temp,

diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index b870702..84a5b5d 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -276,6 +276,7 @@ struct thermal_genl_event {
*/
struct thermal_zone_of_device_ops {
int (*get_temp)(void *, unsigned long *);
+ int (*set_trips)(void *, unsigned long, unsigned long);
int (*get_trend)(void *, int trend, enum thermal_trend *);
int (*set_emul_temp)(void *, unsigned long);
};
--
2.1.4