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Commit c64569d3 authored by Ram Chandrasekar's avatar Ram Chandrasekar
Browse files

drivers: thermal: Print thermal temperature trace for userspace query 



Print the thermal sensor temperature value in a new trace message. This
will print the temperature value read when it is queried via sysfs.

Change-Id: I7ff6859dcbea67ed068bae6b970d0e626ed0ec5b
Signed-off-by: default avatarRam Chandrasekar <rkumbako@codeaurora.org>
parent 5b93813a

drivers/thermal/thermal_core.c

+1 −0
Original line number Diff line number Diff line
@@ -522,6 +522,7 @@ int thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp) 
		if (!ret && *temp < crit_temp)

			*temp = tz->emul_temperature;

	}

	trace_thermal_query_temp(tz, *temp);

	mutex_unlock(&tz->lock);

exit:

	return ret;

include/trace/events/thermal.h

+23 −0
Original line number Diff line number Diff line
@@ -20,6 +20,29 @@ TRACE_DEFINE_ENUM(THERMAL_TRIP_ACTIVE); 
			 { THERMAL_TRIP_PASSIVE,  "PASSIVE"},	\

			 { THERMAL_TRIP_ACTIVE,   "ACTIVE"})



TRACE_EVENT(thermal_query_temp,



	TP_PROTO(struct thermal_zone_device *tz, int temp),



	TP_ARGS(tz, temp),



	TP_STRUCT__entry(

		__string(thermal_zone, tz->type)

		__field(int, id)

		__field(int, temp)

	),



	TP_fast_assign(

		__assign_str(thermal_zone, tz->type);

		__entry->id = tz->id;

		__entry->temp = temp;

	),



	TP_printk("thermal_zone=%s id=%d temp=%d",

		__get_str(thermal_zone), __entry->id,

		__entry->temp)

);



TRACE_EVENT(thermal_temperature,



	TP_PROTO(struct thermal_zone_device *tz),