[SCSI] libsas: execute transport link resets with libata-eh via host workqueue
[linux-2.6.git] / drivers / leds / leds-ams-delta.c
1 /*
2  * LEDs driver for Amstrad Delta (E3)
3  *
4  * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
5  *
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.
9  */
10
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>
17
18 /*
19  * Our context
20  */
21 struct ams_delta_led {
22         struct led_classdev     cdev;
23         u8                      bitmask;
24 };
25
26 static void ams_delta_led_set(struct led_classdev *led_cdev,
27                 enum led_brightness value)
28 {
29         struct ams_delta_led *led_dev =
30                 container_of(led_cdev, struct ams_delta_led, cdev);
31
32         if (value)
33                 ams_delta_latch1_write(led_dev->bitmask, led_dev->bitmask);
34         else
35                 ams_delta_latch1_write(led_dev->bitmask, 0);
36 }
37
38 static struct ams_delta_led ams_delta_leds[] = {
39         {
40                 .cdev           = {
41                         .name           = "ams-delta::camera",
42                         .brightness_set = ams_delta_led_set,
43                 },
44                 .bitmask        = AMS_DELTA_LATCH1_LED_CAMERA,
45         },
46         {
47                 .cdev           = {
48                         .name           = "ams-delta::advert",
49                         .brightness_set = ams_delta_led_set,
50                 },
51                 .bitmask        = AMS_DELTA_LATCH1_LED_ADVERT,
52         },
53         {
54                 .cdev           = {
55                         .name           = "ams-delta::email",
56                         .brightness_set = ams_delta_led_set,
57                 },
58                 .bitmask        = AMS_DELTA_LATCH1_LED_EMAIL,
59         },
60         {
61                 .cdev           = {
62                         .name           = "ams-delta::handsfree",
63                         .brightness_set = ams_delta_led_set,
64                 },
65                 .bitmask        = AMS_DELTA_LATCH1_LED_HANDSFREE,
66         },
67         {
68                 .cdev           = {
69                         .name           = "ams-delta::voicemail",
70                         .brightness_set = ams_delta_led_set,
71                 },
72                 .bitmask        = AMS_DELTA_LATCH1_LED_VOICEMAIL,
73         },
74         {
75                 .cdev           = {
76                         .name           = "ams-delta::voice",
77                         .brightness_set = ams_delta_led_set,
78                 },
79                 .bitmask        = AMS_DELTA_LATCH1_LED_VOICE,
80         },
81 };
82
83 static int ams_delta_led_probe(struct platform_device *pdev)
84 {
85         int i, ret;
86
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);
91                 if (ret < 0)
92                         goto fail;
93         }
94
95         return 0;
96 fail:
97         while (--i >= 0)
98                 led_classdev_unregister(&ams_delta_leds[i].cdev);
99         return ret;     
100 }
101
102 static int ams_delta_led_remove(struct platform_device *pdev)
103 {
104         int i;
105
106         for (i = 0; i < ARRAY_SIZE(ams_delta_leds); i++)
107                 led_classdev_unregister(&ams_delta_leds[i].cdev);
108
109         return 0;
110 }
111
112 static struct platform_driver ams_delta_led_driver = {
113         .probe          = ams_delta_led_probe,
114         .remove         = ams_delta_led_remove,
115         .driver         = {
116                 .name = "ams-delta-led",
117                 .owner = THIS_MODULE,
118         },
119 };
120
121 module_platform_driver(ams_delta_led_driver);
122
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");