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Make sure volume level is valid when incrementing/decrementing (#25061)

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* Make sure volume level is not None before incrementing/decrementing

* Pass linting checks
This commit is contained in:
Jeff Irion 2019-07-10 15:58:29 -07:00 committed by Paulus Schoutsen
parent ca8118138c
commit 4844477d3a
1 changed files with 8 additions and 2 deletions
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10
homeassistant/components/vizio/media_player.py
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@ -223,13 +223,19 @@ class VizioDevice(MediaPlayerDevice):
def volume_up(self):
"""Increasing volume of the device."""
self._volume_level += self._volume_step / self._max_volume
self._device.vol_up(num=self._volume_step)
if self._volume_level is not None:
self._volume_level = min(1.,
self._volume_level +
self._volume_step / self._max_volume)
def volume_down(self):
"""Decreasing volume of the device."""
self._volume_level -= self._volume_step / self._max_volume
self._device.vol_down(num=self._volume_step)
if self._volume_level is not None:
self._volume_level = max(0.,
self._volume_level -
self._volume_step / self._max_volume)
def validate_setup(self):
"""Validate if host is available and auth token is correct."""