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1 0 : /* 2 : * Copyright 2023 Daniel DeGrasse <daniel@degrasse.com> 3 : * 4 : * SPDX-License-Identifier: Apache-2.0 5 : */ 6 : 7 : #ifndef ZEPHYR_INCLUDE_DRIVERS_LED_IS31FL3733_H_ 8 : #define ZEPHYR_INCLUDE_DRIVERS_LED_IS31FL3733_H_ 9 : 10 : /** 11 : * @brief Blanks IS31FL3733 LED display. 12 : * 13 : * When blank_en is set, the LED display will be disabled. This can be used for 14 : * flicker-free display updates, or power saving. 15 : * 16 : * @param dev: LED device structure 17 : * @param blank_en: should blanking be enabled 18 : * @return 0 on success, or negative value on error. 19 : */ 20 1 : int is31fl3733_blank(const struct device *dev, bool blank_en); 21 : 22 : /** 23 : * @brief Sets led current limit 24 : * 25 : * Sets the current limit for the LED driver. This is a separate value 26 : * from per-led brightness, and applies to all LEDs. 27 : * This value sets the output current limit according 28 : * to the following formula: (840/R_ISET) * (limit/256) 29 : * See table 14 of the datasheet for additional details. 30 : * @param dev: LED device structure 31 : * @param limit: current limit to apply 32 : * @return 0 on success, or negative value on error. 33 : */ 34 1 : int is31fl3733_current_limit(const struct device *dev, uint8_t limit); 35 : 36 : #endif /* ZEPHYR_INCLUDE_DRIVERS_LED_IS31FL3733_H_ */