1 /* 2 * Copyright (c) 2020 Nordic Semiconductor ASA 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #ifndef ZEPHYR_INCLUDE_DRIVERS_GPIO_GPIO_SX1509B_H_ 8 #define ZEPHYR_INCLUDE_DRIVERS_GPIO_GPIO_SX1509B_H_ 9 10 #include <zephyr/device.h> 11 #include <zephyr/drivers/gpio.h> 12 13 #ifdef __cplusplus 14 extern "C" { 15 #endif 16 17 /** 18 * @brief Configure a pin for LED intensity. 19 * 20 * Configure a pin to be controlled by SX1509B LED driver using 21 * the LED intensity functionality. 22 * To get back normal GPIO functionality, configure the pin using 23 * the standard GPIO API. 24 * 25 * @param dev Pointer to the device structure for the driver instance. 26 * @param pin Pin number. 27 * 28 * @retval 0 If successful. 29 * @retval -EWOULDBLOCK if function is called from an ISR. 30 * @retval -ERANGE if pin number is out of range. 31 * @retval -EIO if I2C fails. 32 */ 33 int sx1509b_led_intensity_pin_configure(const struct device *dev, 34 gpio_pin_t pin); 35 36 /** 37 * @brief Set LED intensity of selected pin. 38 * 39 * @param dev Pointer to the device structure for the driver instance. 40 * @param pin Pin number. 41 * @param intensity_val Intensity value. 42 * 43 * @retval 0 If successful. 44 * @retval -EIO if I2C fails. 45 */ 46 int sx1509b_led_intensity_pin_set(const struct device *dev, gpio_pin_t pin, 47 uint8_t intensity_val); 48 49 #ifdef __cplusplus 50 } 51 #endif 52 53 #endif /* ZEPHYR_INCLUDE_DRIVERS_GPIO_GPIO_SX1509B_H_ */ 54
