diff --git a/esphome/components/light/esp_color_correction.h b/esphome/components/light/esp_color_correction.h index eedd71ab27..979a1acb07 100644 --- a/esphome/components/light/esp_color_correction.h +++ b/esphome/components/light/esp_color_correction.h @@ -41,29 +41,29 @@ class ESPColorCorrection { if (this->max_brightness_.red == 0 || this->local_brightness_ == 0) return 0; uint16_t uncorrected = this->gamma_reverse_table_[red] * 255UL; - uint8_t res = ((uncorrected / this->max_brightness_.red) * 255UL) / this->local_brightness_; - return res; + uint16_t res = ((uncorrected / this->max_brightness_.red) * 255UL) / this->local_brightness_; + return (uint8_t) std::min(res, uint16_t(255)); } inline uint8_t color_uncorrect_green(uint8_t green) const ESPHOME_ALWAYS_INLINE { if (this->max_brightness_.green == 0 || this->local_brightness_ == 0) return 0; uint16_t uncorrected = this->gamma_reverse_table_[green] * 255UL; - uint8_t res = ((uncorrected / this->max_brightness_.green) * 255UL) / this->local_brightness_; - return res; + uint16_t res = ((uncorrected / this->max_brightness_.green) * 255UL) / this->local_brightness_; + return (uint8_t) std::min(res, uint16_t(255)); } inline uint8_t color_uncorrect_blue(uint8_t blue) const ESPHOME_ALWAYS_INLINE { if (this->max_brightness_.blue == 0 || this->local_brightness_ == 0) return 0; uint16_t uncorrected = this->gamma_reverse_table_[blue] * 255UL; - uint8_t res = ((uncorrected / this->max_brightness_.blue) * 255UL) / this->local_brightness_; - return res; + uint16_t res = ((uncorrected / this->max_brightness_.blue) * 255UL) / this->local_brightness_; + return (uint8_t) std::min(res, uint16_t(255)); } inline uint8_t color_uncorrect_white(uint8_t white) const ESPHOME_ALWAYS_INLINE { if (this->max_brightness_.white == 0 || this->local_brightness_ == 0) return 0; uint16_t uncorrected = this->gamma_reverse_table_[white] * 255UL; - uint8_t res = ((uncorrected / this->max_brightness_.white) * 255UL) / this->local_brightness_; - return res; + uint16_t res = ((uncorrected / this->max_brightness_.white) * 255UL) / this->local_brightness_; + return (uint8_t) std::min(res, uint16_t(255)); } protected: