4  * SPDX-License-Identifier: Apache-2.0
8 #include <zephyr/drivers/led.h>
9 #include <zephyr/drivers/led/is31fl3733.h>
15 /* LED matrix is addressed using a row major format */
20 static int led_channel_write(const struct device *led)  in led_channel_write()  argument
34 	ret = led_write_channels(led, 0, sizeof(led_state), led_state);  in led_channel_write()
36 		printk("Error: could not write LED channels (%d)\n", ret);  in led_channel_write()
40 	/* Disable quadrant of LED display */  in led_channel_write()
41 	printk("Disable LED quadrant\n");  in led_channel_write()
48 	ret = led_write_channels(led, 0,  in led_channel_write()
51 		printk("Error: could not write LED channels (%d)\n", ret);  in led_channel_write()
58 static int led_brightness(const struct device *led)  in led_brightness()  argument
63 	/* Set LED brightness to low value sequentially */  in led_brightness()
67 			ret = led_set_brightness(led, LED_MATRIX_COORD(row, col),  in led_brightness()
70 				printk("Error: could not enable led "  in led_brightness()
81 static int led_on_off(const struct device *led)  in led_on_off()  argument
86 	printk("Toggle each led\n");  in led_on_off()
87 	/* Turn on each led for a short duration */  in led_on_off()
90 			ret = led_off(led, LED_MATRIX_COORD(row, col));  in led_on_off()
92 				printk("Error: could not disable led "  in led_on_off()
98 			ret = led_on(led, LED_MATRIX_COORD(row, col));  in led_on_off()
100 				printk("Error: could not enable led "  in led_on_off()
119 		printk("Error- LED device is not ready\n");  in main()
137 			/* Select lower current limt */  in main()
138 			printk("Restarting sample with lower current limit\n");  in main()
142 				printk("Could not set LED current limit (%d)\n", ret);  in main()
146 			/* Select higher current limt */  in main()
147 			printk("Restarting sample with higher current limit\n");  in main()
151 				printk("Could not set LED current limit (%d)\n", ret);  in main()