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authorLukasz Majewski <l.majewski@samsung.com>2014-12-08 18:04:20 +0100
committerEduardo Valentin <edubezval@gmail.com>2014-12-08 15:58:01 -0400
commitce8be7785922de0ef497b20384425ed04f674f9d (patch)
tree52ec11c8eb828786c5ff59509f580bbf23bd71d4 /drivers/thermal/of-thermal.c
parentad9914ac3b1f5c12ef2cf1c58a6ddda306fb79d4 (diff)
thermal: of: Extend of-thermal to export table of trip points
This patch extends the of-thermal.c to export trip points for a given thermal zone. Thermal drivers should use of_thermal_get_trip_points() method to get pointer to table of thermal trip points. Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Diffstat (limited to 'drivers/thermal/of-thermal.c')
-rw-r--r--drivers/thermal/of-thermal.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c
index d3ac117e2ddd..e062bf59ab6c 100644
--- a/drivers/thermal/of-thermal.c
+++ b/drivers/thermal/of-thermal.c
@@ -139,6 +139,28 @@ bool of_thermal_is_trip_valid(struct thermal_zone_device *tz, int trip)
}
EXPORT_SYMBOL_GPL(of_thermal_is_trip_valid);
+/**
+ * of_thermal_get_trip_points - function to get access to a globally exported
+ * trip points
+ *
+ * @tz: pointer to a thermal zone
+ *
+ * This function provides a pointer to trip points table
+ *
+ * Return: pointer to trip points table, NULL otherwise
+ */
+const struct thermal_trip * const
+of_thermal_get_trip_points(struct thermal_zone_device *tz)
+{
+ struct __thermal_zone *data = tz->devdata;
+
+ if (!data)
+ return NULL;
+
+ return data->trips;
+}
+EXPORT_SYMBOL_GPL(of_thermal_get_trip_points);
+
static int of_thermal_get_trend(struct thermal_zone_device *tz, int trip,
enum thermal_trend *trend)
{