2 * LEDs driver for Amstrad Delta (E3)
4 * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
11 #include <linux/module.h>
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/platform_device.h>
15 #include <linux/leds.h>
16 #include <plat/board-ams-delta.h>
21 struct ams_delta_led {
22 struct led_classdev cdev;
26 static void ams_delta_led_set(struct led_classdev *led_cdev,
27 enum led_brightness value)
29 struct ams_delta_led *led_dev =
30 container_of(led_cdev, struct ams_delta_led, cdev);
33 ams_delta_latch1_write(led_dev->bitmask, led_dev->bitmask);
35 ams_delta_latch1_write(led_dev->bitmask, 0);
38 static struct ams_delta_led ams_delta_leds[] = {
41 .name = "ams-delta::camera",
42 .brightness_set = ams_delta_led_set,
44 .bitmask = AMS_DELTA_LATCH1_LED_CAMERA,
48 .name = "ams-delta::advert",
49 .brightness_set = ams_delta_led_set,
51 .bitmask = AMS_DELTA_LATCH1_LED_ADVERT,
55 .name = "ams-delta::email",
56 .brightness_set = ams_delta_led_set,
58 .bitmask = AMS_DELTA_LATCH1_LED_EMAIL,
62 .name = "ams-delta::handsfree",
63 .brightness_set = ams_delta_led_set,
65 .bitmask = AMS_DELTA_LATCH1_LED_HANDSFREE,
69 .name = "ams-delta::voicemail",
70 .brightness_set = ams_delta_led_set,
72 .bitmask = AMS_DELTA_LATCH1_LED_VOICEMAIL,
76 .name = "ams-delta::voice",
77 .brightness_set = ams_delta_led_set,
79 .bitmask = AMS_DELTA_LATCH1_LED_VOICE,
83 static int ams_delta_led_probe(struct platform_device *pdev)
87 for (i = 0; i < ARRAY_SIZE(ams_delta_leds); i++) {
88 ams_delta_leds[i].cdev.flags |= LED_CORE_SUSPENDRESUME;
89 ret = led_classdev_register(&pdev->dev,
90 &ams_delta_leds[i].cdev);
98 led_classdev_unregister(&ams_delta_leds[i].cdev);
102 static int ams_delta_led_remove(struct platform_device *pdev)
106 for (i = 0; i < ARRAY_SIZE(ams_delta_leds); i++)
107 led_classdev_unregister(&ams_delta_leds[i].cdev);
112 static struct platform_driver ams_delta_led_driver = {
113 .probe = ams_delta_led_probe,
114 .remove = ams_delta_led_remove,
116 .name = "ams-delta-led",
117 .owner = THIS_MODULE,
121 module_platform_driver(ams_delta_led_driver);
123 MODULE_AUTHOR("Jonathan McDowell <noodles@earth.li>");
124 MODULE_DESCRIPTION("Amstrad Delta LED driver");
125 MODULE_LICENSE("GPL");
126 MODULE_ALIAS("platform:ams-delta-led");