/* * Copyright 2023 Daniel DeGrasse * * SPDX-License-Identifier: Apache-2.0 */ #ifndef ZEPHYR_INCLUDE_DRIVERS_LED_IS31FL3733_H_ #define ZEPHYR_INCLUDE_DRIVERS_LED_IS31FL3733_H_ /** * @brief Blanks IS31FL3733 LED display. * * When blank_en is set, the LED display will be disabled. This can be used for * flicker-free display updates, or power saving. * * @param dev: LED device structure * @param blank_en: should blanking be enabled * @return 0 on success, or negative value on error. */ int is31fl3733_blank(const struct device *dev, bool blank_en); /** * @brief Sets led current limit * * Sets the current limit for the LED driver. This is a separate value * from per-led brightness, and applies to all LEDs. * This value sets the output current limit according * to the following formula: (840/R_ISET) * (limit/256) * See table 14 of the datasheet for additional details. * @param dev: LED device structure * @param limit: current limit to apply * @return 0 on success, or negative value on error. */ int is31fl3733_current_limit(const struct device *dev, uint8_t limit); #endif /* ZEPHYR_INCLUDE_DRIVERS_LED_IS31FL3733_H_ */