4  * SPDX-License-Identifier: Apache-2.0
11  * @brief LP5569 LED controller
13  * The LP5569 is a 9-channel LED driver that communicates over I2C.
17 #include <zephyr/drivers/led.h>
34 /* PWM base Register for controlling the duty-cycle */
41 static int lp5569_led_set_brightness(const struct device *dev, uint32_t led,  in lp5569_led_set_brightness()  argument
44 	const struct lp5569_config *config = dev->config;  in lp5569_led_set_brightness()
48 	if (led >= LP5569_NUM_LEDS || brightness > 100) {  in lp5569_led_set_brightness()
49 		return -EINVAL;  in lp5569_led_set_brightness()
52 	/* Map 0-100 % to 0-255 pwm register value */  in lp5569_led_set_brightness()
55 	ret = i2c_reg_write_byte_dt(&config->bus, LP5569_LED0_PWM + led, val);  in lp5569_led_set_brightness()
57 		LOG_ERR("LED reg update failed");  in lp5569_led_set_brightness()
64 static inline int lp5569_led_on(const struct device *dev, uint32_t led)  in lp5569_led_on()  argument
66 	/* Set LED brightness to 100 % */  in lp5569_led_on()
67 	return lp5569_led_set_brightness(dev, led, 100);  in lp5569_led_on()
70 static inline int lp5569_led_off(const struct device *dev, uint32_t led)  in lp5569_led_off()  argument
72 	/* Set LED brightness to 0 % */  in lp5569_led_off()
73 	return lp5569_led_set_brightness(dev, led, 0);  in lp5569_led_off()
78 	const struct lp5569_config *config = dev->config;  in lp5569_enable()
81 	if (!i2c_is_ready_dt(&config->bus)) {  in lp5569_enable()
83 		return -ENODEV;  in lp5569_enable()
86 	ret = i2c_reg_write_byte_dt(&config->bus, LP5569_CONFIG,  in lp5569_enable()
93 	ret = i2c_reg_write_byte_dt(&config->bus, LP5569_MISC,  in lp5569_enable()
96 		LOG_ERR("LED reg update failed");  in lp5569_enable()
110 		LOG_INF("Init %s as PM_DEVICE_STATE_OFF", dev->name);  in lp5569_init()
121 	const struct lp5569_config *config = dev->config;  in lp5569_pm_action()
135 		ret = i2c_reg_update_byte_dt(&config->bus, LP5569_CONFIG,  in lp5569_pm_action()
143 		return -ENOTSUP;  in lp5569_pm_action()