1 // SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0-or-later
3  * Dell Wyse 3020 a.k.a. "Ariel" Embedded Controller LED Driver
36 	struct ariel_led *led = led_cdev_to_ariel_led(led_cdev);  in ariel_led_get()  local
39 	if (regmap_read(led->ec_ram, led->ec_index, &led_status))  in ariel_led_get()
51 	struct ariel_led *led = led_cdev_to_ariel_led(led_cdev);  in ariel_led_set()  local
54 		regmap_write(led->ec_ram, led->ec_index, EC_LED_OFF);  in ariel_led_set()
56 		regmap_write(led->ec_ram, led->ec_index, EC_LED_STILL);  in ariel_led_set()
62 	struct ariel_led *led = led_cdev_to_ariel_led(led_cdev);  in ariel_blink_set()  local
65 		return -EINVAL;  in ariel_blink_set()
68 		regmap_write(led->ec_ram, led->ec_index, EC_LED_OFF);  in ariel_blink_set()
70 		regmap_write(led->ec_ram, led->ec_index, EC_LED_STILL);  in ariel_blink_set()
74 		regmap_write(led->ec_ram, led->ec_index, EC_LED_BLINK);  in ariel_blink_set()
84 	struct device *dev = &pdev->dev;  in ariel_led_probe()
90 	ec_ram = dev_get_regmap(dev->parent, "ec_ram");  in ariel_led_probe()
92 		return -ENODEV;  in ariel_led_probe()
96 		return -ENOMEM;  in ariel_led_probe()
100 	leds[0].led_cdev.default_trigger = "default-on";  in ariel_led_probe()
105 	leds[2].ec_index = EC_GREEN_LED;  in ariel_led_probe()
106 	leds[2].led_cdev.name = "green:status";  in ariel_led_probe()
107 	leds[2].led_cdev.default_trigger = "default-on";  in ariel_led_probe()
126 		.name = "dell-wyse-ariel-led",