[PATCH v2 2/4] thermal: of: Extend of-thermal.c to provide check if trip point is enabled

Lukasz Majewski
2014-11-20T16:21:26Z

This patch extends the of-thermal.c to provide check if trip point is
enabled.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
---
Changes for v2:
- Replace int with bool
- Replace 1/0 with true/false
- Add check if data pointer is not NULL
- Add missing doxygen style comment for the function
---
drivers/thermal/of-thermal.c | 20 ++++++++++++++++++++
drivers/thermal/thermal_core.h | 5 +++++
2 files changed, 25 insertions(+)

diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c
index 7170822..336af7f 100644
--- a/drivers/thermal/of-thermal.c
+++ b/drivers/thermal/of-thermal.c
@@ -132,6 +132,26 @@ int of_thermal_get_ntrips(struct thermal_zone_device *tz)
return data->ntrips;
}

+/**
+ * of_thermal_is_trip_en - function to check if trip point is enabled
+ *
+ * @tz: pointer to a thermal zone
+ * @trip: trip point to evaluate
+ *
+ * This function is responsible for checking if passed trip point is enabled
+ *
+ * Return: true if trip point is enabled, false otherwise
+ */
+bool of_thermal_is_trip_en(struct thermal_zone_device *tz, int trip)
+{
+ struct __thermal_zone *data = tz->devdata;
+
+ if (!data || trip >= data->ntrips || trip < 0)
+ return false;
+
+ return true;
+}
+
static int of_thermal_get_trend(struct thermal_zone_device *tz, int trip,
enum thermal_trend *trend)
{
diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h
index c3c7b82..466208c 100644
--- a/drivers/thermal/thermal_core.h
+++ b/drivers/thermal/thermal_core.h
@@ -90,6 +90,7 @@ static inline void thermal_gov_user_space_unregister(void) {}
int of_parse_thermal_zones(void);
void of_thermal_destroy_zones(void);
int of_thermal_get_ntrips(struct thermal_zone_device *);
+bool of_thermal_is_trip_en(struct thermal_zone_device *, int);
#else
static inline int of_parse_thermal_zones(void) { return 0; }
static inline void of_thermal_destroy_zones(void) { }
@@ -97,6 +98,10 @@ static inline int of_thermal_get_ntrips(struct thermal_zone_device *)
{
return 0;
}
+static inline bool of_thermal_is_trip_en(struct thermal_zone_device *, int)
+{
+ return 0;
+}
#endif

#endif /* __THERMAL_CORE_H__ */
--
2.0.0.rc2