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From 525f68bb9d9f6334dbcd2b5ec99f9d797ff53618 Mon Sep 17 00:00:00 2001
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Wed, 13 May 2015 10:52:40 +0200
Subject: [PATCH 21/76] thermal: of: implement .set_trips for device tree
thermal zones
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
drivers/thermal/of-thermal.c | 12 ++++++++++++
include/linux/thermal.h | 3 +++
2 files changed, 15 insertions(+)
diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c
index bd3185e..f8dd847 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,
+ int low, int 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 aef6e13..b751f6b 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -267,12 +267,15 @@ struct thermal_genl_event {
*
* Optional:
* @get_trend: a pointer to a function that reads the sensor temperature trend.
+ * @set_trips: a pointer to a function that sets a temperature window which shall
+ * trigger an interrupt when it is left.
* @set_emul_temp: a pointer to a function that sets sensor emulated
* temperature.
*/
struct thermal_zone_of_device_ops {
int (*get_temp)(void *, int *);
int (*get_trend)(void *, int, enum thermal_trend *);
+ int (*set_trips)(void *, int, int);
int (*set_emul_temp)(void *, int);
};
--
1.7.10.4
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