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Fix white value transition for addressable lights (#2045)

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Oxan van Leeuwen 2021-07-20 22:42:03 +02:00 committed by GitHub
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commit fc0deb642a
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esphome/components/light/addressable_light.cpp
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@ -68,10 +68,7 @@ void AddressableLight::write_state(LightState *state) {
// our transition will handle brightness, disable brightness in correction.
this->correction_.set_local_brightness(255);
uint8_t orig_w = target_color.w;
target_color *= static_cast<uint8_t>(roundf(end_values.get_brightness() * end_values.get_state() * 255.0f));
// w is not scaled by brightness
target_color.w = orig_w;
float denom = (1.0f - new_smoothed);
float alpha = denom == 0.0f ? 0.0f : (new_smoothed - prev_smoothed) / denom;