drivers/leds/leds-ipaq-micro.c

1 // SPDX-License-Identifier: GPL-2.0-only
4  * h3xxx atmel micro companion support, notification LED subdevice
11 #include <linux/mfd/ipaq-micro.h>
17 #define LED_EN       (1 << 4) /* LED ON/OFF 0:off, 1:on                       */
18 #define LED_AUTOSTOP (1 << 5) /* LED ON/OFF auto stop set 0:disable, 1:enable */
19 #define LED_ALWAYS   (1 << 6) /* LED Interrupt Mask 0:No mask, 1:mask         */
24 	struct ipaq_micro *micro = dev_get_drvdata(led_cdev->dev->parent->parent);  in micro_leds_brightness_set()
27 	 * Byte 0 = LED color: 0 = yellow, 1 = green  in micro_leds_brightness_set()
28 	 *          yellow LED is always ~30 blinks per minute  in micro_leds_brightness_set()
30 	 * Byte 2 = green ontime in 1/10 sec (deciseconds)  in micro_leds_brightness_set()
33 	 * Byte 3 = green offtime in 1/10 sec (deciseconds)  in micro_leds_brightness_set()
61 	struct ipaq_micro *micro = dev_get_drvdata(led_cdev->dev->parent->parent);  in micro_leds_blink_set()
64 	 * Byte 0 = LED color: 0 = yellow, 1 = green  in micro_leds_blink_set()
65 	 *          yellow LED is always ~30 blinks per minute  in micro_leds_blink_set()
67 	 * Byte 2 = green ontime in 1/10 sec (deciseconds)  in micro_leds_blink_set()
70 	 * Byte 3 = green offtime in 1/10 sec (deciseconds)  in micro_leds_blink_set()
82 		return -EINVAL;  in micro_leds_blink_set()
102 	.name			= "led-ipaq-micro",
112 	ret = devm_led_classdev_register(&pdev->dev, &micro_led);  in micro_leds_probe()
114 		dev_err(&pdev->dev, "registering led failed: %d\n", ret);  in micro_leds_probe()
117 	dev_info(&pdev->dev, "iPAQ micro notification LED driver\n");  in micro_leds_probe()
124 		.name    = "ipaq-micro-leds",
132 MODULE_ALIAS("platform:ipaq-micro-leds");