only set NOTIFICATION_FLAGS for 1.0 devices

lib/logitech/unifying_receiver/status.py

@@ -229,7 +229,8 @@ class DeviceStatus(dict):
 					# Make sure to set notification flags on the device, they
 					# get cleared when the device is turned off (but not when the device
 					# goes idle, and we can't tell the difference right now).
-					self[KEYS.NOTIFICATION_FLAGS] = d.enable_notifications()
+					if d.protocol < 2.0:
+						self[KEYS.NOTIFICATION_FLAGS] = d.enable_notifications()
 
 					# Devices lose configuration when they are turned off,
 					# make sure they're up-to-date.

lib/solaar/cli.py

@@ -136,7 +136,9 @@ def _print_device(dev, verbose=False):
 
 	if dev.online:
 		notification_flags = hidpp10.get_notification_flags(dev)
-		if notification_flags is not None:
+		if notification_flags is None:
+			print ("   Notifications: N/A.")
+		else:
 			if notification_flags:
 				notification_names = hidpp10.NOTIFICATION_FLAG.flag_names(notification_flags)
 				print ("   Notifications: 0x%06X = %s." % (notification_flags, ', '.join(notification_names)))

lib/solaar/ui/window.py

@@ -500,7 +500,9 @@ def _update_details(button):
 				yield (fw.kind, (fw.name + ' ' + fw.version).strip())
 
 			flag_bits = device.status.get(_K.NOTIFICATION_FLAGS)
-			if flag_bits is not None:
+			if flag_bits is None and device.kind is not None:
+				yield ('Notifications', ('N/A',))
+			else:
 				flag_names = ('(none)',) if flag_bits == 0 else _hidpp10.NOTIFICATION_FLAG.flag_names(flag_bits)
 				yield ('Notifications', ('\n%15s' % ' ').join(flag_names))