change sleep for volume control

buzzer.sh

@@ -68,6 +68,8 @@ while true; do
 			buzzerstat="$($cmdgpio read $buzzergpio)"
 			sleep $volumetimeout
 		done
+		
+		sleep $((pollingtime * 2))
 
 	elif [ "$volumevalue" -gt 0 ] && [ "$swdownstat" -eq 0 ]; then
 
@@ -78,6 +80,8 @@ while true; do
 			sleep $volumetimeout
 		done
 
+		sleep $((pollingtime * 2))
+
 	elif [ "$buzzerstat" -eq 1 ] && [ "$swupstat" -eq 0 ]; then
 		sleep $pollingtime