ina226/voxlpm: make sure parameter sub is reset

The subscription to parameter updates has to get
copied otherwise the change detection will not get
reset for next time.

src/drivers/power_monitor/ina226/ina226.cpp

@@ -210,9 +210,11 @@ INA226::collect()
 {
 	perf_begin(_sample_perf);
 
-	parameter_update_s param_update;
+	if (_parameter_update_sub.updated()) {
+		// Read from topic to clear updated flag
+		parameter_update_s parameter_update;
+		_parameter_update_sub.copy(&parameter_update);
 
-	if (_parameters_sub.copy(&param_update)) {
 		updateParams();
 	}
 

src/drivers/power_monitor/ina226/ina226.h

@@ -207,7 +207,7 @@ private:
 
 	Battery 		  _battery;
 	uORB::Subscription  _actuators_sub{ORB_ID(actuator_controls_0)};
-	uORB::Subscription  _parameters_sub{ORB_ID(parameter_update)};
+	uORB::Subscription  _parameter_update_sub{ORB_ID(parameter_update)};
 
 	int read(uint8_t address, int16_t &data);
 	int write(uint8_t address, uint16_t data);

src/drivers/power_monitor/voxlpm/voxlpm.cpp

@@ -316,9 +316,11 @@ VOXLPM::measure()
 		}
 	}
 
-	parameter_update_s update;
+	if (_parameter_update_sub.updated()) {
+		// Read from topic to clear updated flag
+		parameter_update_s parameter_update;
+		_parameter_update_sub.copy(&parameter_update);
 
-	if (_parameter_sub.update(&update)) {
 		updateParams();
 	}
 

src/drivers/power_monitor/voxlpm/voxlpm.hpp

@@ -253,7 +253,7 @@ private:
 	perf_counter_t		_comms_errors;
 
 	uORB::PublicationMulti<power_monitor_s>		_pm_pub_topic{ORB_ID(power_monitor)};
-	uORB::Subscription _parameter_sub{ORB_ID(parameter_update)};
+	uORB::Subscription _parameter_update_sub{ORB_ID(parameter_update)};
 
 	power_monitor_s 	_pm_status{};