trx_toolkit: simplify Transceiver.power_event_handler()

Change-Id: I283f7ced0309bf823ad78c90e8006b9e9474dee7

src/target/trx_toolkit/ctrl_if_trx.py

@@ -107,10 +107,7 @@ class CTRLInterfaceTRX(CTRLInterface):
 				return -1
 
 			log.info("(%s) Starting transceiver..." % self.trx)
-			self.trx.running = True
+			self.trx.power_event_handler(poweron=True)
-
-			# Notify transceiver about that
-			self.trx.power_event_handler("POWERON")
 
 			return 0
 
@@ -118,10 +115,7 @@ class CTRLInterfaceTRX(CTRLInterface):
 			log.debug("(%s) Recv POWEROFF cmd" % self.trx)
 
 			log.info("(%s) Stopping transceiver..." % self.trx)
-			self.trx.running = False
+			self.trx.power_event_handler(poweron=False)
-
-			# Notify transceiver about that
-			self.trx.power_event_handler("POWEROFF")
 
 			return 0
 

src/target/trx_toolkit/transceiver.py

@@ -222,19 +222,13 @@ class Transceiver:
 	def ctrl_cmd_handler(self, request):
 		return None
 
-	def power_event_handler(self, event):
+	def power_event_handler(self, poweron: bool) -> None:
-		# Update child transceivers
+		# Update self and child transceivers
-		for trx in self.child_trx_list.trx_list:
+		for trx in [self, *self.child_trx_list.trx_list]:
-			if event == "POWERON":
+			trx.running = poweron
-				trx.running = True
+			if not poweron:
-			elif event == "POWEROFF":
-				trx.running = False
 				trx.disable_fh()
 
-		# Reset frequency hopping parameters
-		if event == "POWEROFF":
-			self.disable_fh()
-
 		# Trigger clock generator if required
 		if self.clck_gen is not None:
 			clck_links = self.clck_gen.clck_links