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 /** 14 * @brief Configure a pin for LED intensity. 15 * 16 * Configure a pin to be controlled by SX1509B LED driver using 17 * the LED intensity functionality. 18 * To get back normal GPIO functionality, configure the pin using 19 * the standard GPIO API. 20 * 21 * @param dev Pointer to the device structure for the driver instance. 22 * @param pin Pin number. 23 * 24 * @retval 0 If successful. 25 * @retval -EWOULDBLOCK if function is called from an ISR. 26 * @retval -ERANGE if pin number is out of range. 27 * @retval -EIO if I2C fails. 28 */ 29 int sx1509b_led_intensity_pin_configure(const struct device *dev, 30 gpio_pin_t pin); 31 32 /** 33 * @brief Set LED intensity of selected pin. 34 * 35 * @param dev Pointer to the device structure for the driver instance. 36 * @param pin Pin number. 37 * @param intensity_val Intensity value. 38 * 39 * @retval 0 If successful. 40 * @retval -EIO if I2C fails. 41 */ 42 int sx1509b_led_intensity_pin_set(const struct device *dev, gpio_pin_t pin, 43 uint8_t intensity_val); 44 45 #endif /* ZEPHYR_INCLUDE_DRIVERS_GPIO_GPIO_SX1509B_H_ */ 46
