custom_components/vizio/media_player.py
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)
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)
Increasing volume of the device.