fix file specification in comments
[linux-2.6.git] / drivers / leds / leds-spitz.c
1 /*
2  * LED Triggers Core
3  *
4  * Copyright 2005-2006 Openedhand Ltd.
5  *
6  * Author: Richard Purdie <rpurdie@openedhand.com>
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  *
12  */
13
14 #include <linux/kernel.h>
15 #include <linux/init.h>
16 #include <linux/platform_device.h>
17 #include <linux/leds.h>
18 #include <asm/hardware/scoop.h>
19 #include <asm/mach-types.h>
20 #include <asm/arch/hardware.h>
21 #include <asm/arch/pxa-regs.h>
22 #include <asm/arch/spitz.h>
23
24 static void spitzled_amber_set(struct led_classdev *led_cdev, enum led_brightness value)
25 {
26         if (value)
27                 set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_ORANGE);
28         else
29                 reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_ORANGE);
30 }
31
32 static void spitzled_green_set(struct led_classdev *led_cdev, enum led_brightness value)
33 {
34         if (value)
35                 set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_GREEN);
36         else
37                 reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_GREEN);
38 }
39
40 static struct led_classdev spitz_amber_led = {
41         .name                   = "spitz:amber",
42         .default_trigger        = "sharpsl-charge",
43         .brightness_set         = spitzled_amber_set,
44 };
45
46 static struct led_classdev spitz_green_led = {
47         .name                   = "spitz:green",
48         .default_trigger        = "ide-disk",
49         .brightness_set         = spitzled_green_set,
50 };
51
52 #ifdef CONFIG_PM
53 static int spitzled_suspend(struct platform_device *dev, pm_message_t state)
54 {
55 #ifdef CONFIG_LEDS_TRIGGERS
56         if (spitz_amber_led.trigger && strcmp(spitz_amber_led.trigger->name, "sharpsl-charge"))
57 #endif
58                 led_classdev_suspend(&spitz_amber_led);
59         led_classdev_suspend(&spitz_green_led);
60         return 0;
61 }
62
63 static int spitzled_resume(struct platform_device *dev)
64 {
65         led_classdev_resume(&spitz_amber_led);
66         led_classdev_resume(&spitz_green_led);
67         return 0;
68 }
69 #endif
70
71 static int spitzled_probe(struct platform_device *pdev)
72 {
73         int ret;
74
75         if (machine_is_akita())
76                 spitz_green_led.default_trigger = "nand-disk";
77
78         ret = led_classdev_register(&pdev->dev, &spitz_amber_led);
79         if (ret < 0)
80                 return ret;
81
82         ret = led_classdev_register(&pdev->dev, &spitz_green_led);
83         if (ret < 0)
84                 led_classdev_unregister(&spitz_amber_led);
85
86         return ret;
87 }
88
89 static int spitzled_remove(struct platform_device *pdev)
90 {
91         led_classdev_unregister(&spitz_amber_led);
92         led_classdev_unregister(&spitz_green_led);
93
94         return 0;
95 }
96
97 static struct platform_driver spitzled_driver = {
98         .probe          = spitzled_probe,
99         .remove         = spitzled_remove,
100 #ifdef CONFIG_PM
101         .suspend        = spitzled_suspend,
102         .resume         = spitzled_resume,
103 #endif
104         .driver         = {
105                 .name           = "spitz-led",
106         },
107 };
108
109 static int __init spitzled_init(void)
110 {
111         return platform_driver_register(&spitzled_driver);
112 }
113
114 static void __exit spitzled_exit(void)
115 {
116         platform_driver_unregister(&spitzled_driver);
117 }
118
119 module_init(spitzled_init);
120 module_exit(spitzled_exit);
121
122 MODULE_AUTHOR("Richard Purdie <rpurdie@openedhand.com>");
123 MODULE_DESCRIPTION("Spitz LED driver");
124 MODULE_LICENSE("GPL");