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authorSascha Hauer <s.hauer@pengutronix.de>2016-06-22 16:42:02 +0800
committerZhang Rui <rui.zhang@intel.com>2016-09-27 14:02:16 +0800
commit826386e73193e0b58c6d797fbbab409bc98b1d9c (patch)
treed1c03aeba883d0c9d312929e68ccb9e75566398f /drivers/thermal
parent060c034a974187e930b790957cafc5047cc30a40 (diff)
thermal: of: implement .set_trips for device tree thermal zones
This patch implements .set_trips for device tree thermal zones. As the hardware-tracked trip points is supported by thermal core patch[0]. patch[0] "thermal: Add support for hardware-tracked trip points". Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Caesar Wang <wxt@rock-chips.com> Cc: Zhang Rui <rui.zhang@intel.com> Cc: Eduardo Valentin <edubezval@gmail.com> Reviewed-by: Javi Merino <javi.merino@arm.com> Signed-off-by: Eduardo Valentin <edubezval@gmail.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Diffstat (limited to 'drivers/thermal')
-rw-r--r--drivers/thermal/of-thermal.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c
index b8e509c60848..2d2a06f155e2 100644
--- a/drivers/thermal/of-thermal.c
+++ b/drivers/thermal/of-thermal.c
@@ -101,6 +101,17 @@ 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 -EINVAL;
+
+ return data->ops->set_trips(data->sensor_data, low, high);
+}
+
/**
* of_thermal_get_ntrips - function to export number of available trip
* points.
@@ -427,6 +438,14 @@ thermal_zone_of_add_sensor(struct device_node *zone,
tzd->ops->get_temp = of_thermal_get_temp;
tzd->ops->get_trend = of_thermal_get_trend;
+
+ /*
+ * The thermal zone core will calculate the window if they have set the
+ * optional set_trips pointer.
+ */
+ if (ops->set_trips)
+ tzd->ops->set_trips = of_thermal_set_trips;
+
tzd->ops->set_emul_temp = of_thermal_set_emul_temp;
mutex_unlock(&tzd->lock);