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Fix ZHA battery when readings produce an unknown value (#23854)

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* check for unknown readings

* only publish valid readings

* remove unused constant
This commit is contained in:
David F. Mulcahey 2019-05-14 01:16:21 -04:00 committed by Paulus Schoutsen
parent eaf4a75402
commit 9b21774392
1 changed files with 2 additions and 2 deletions
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4
homeassistant/components/zha/device_entity.py
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@ -142,8 +142,8 @@ class ZhaDeviceEntity(ZhaEntity):
"""Get the latest battery reading from channels cache."""
battery = await self._battery_channel.get_attribute_value(
'battery_percentage_remaining')
if battery is not None:
# per zcl specs battery percent is reported at 200% ¯\_(ツ)_/¯
# per zcl specs battery percent is reported at 200% ¯\_(ツ)_/¯
if battery is not None and battery != -1:
battery = battery / 2
battery = int(round(battery))
self._device_state_attributes['battery_level'] = battery