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:charge",
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:hddactivity",
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.name = "spitz:green:mail";
77 spitz_green_led.default_trigger = "nand-disk";
78 }
79
80 ret = led_classdev_register(&pdev->dev, &spitz_amber_led);
81 if (ret < 0)
82 return ret;
83
84 ret = led_classdev_register(&pdev->dev, &spitz_green_led);
85 if (ret < 0)
86 led_classdev_unregister(&spitz_amber_led);
87
88 return ret;
89 }
90
91 static int spitzled_remove(struct platform_device *pdev)
92 {
93 led_classdev_unregister(&spitz_amber_led);
94 led_classdev_unregister(&spitz_green_led);
95
96 return 0;
97 }
98
99 static struct platform_driver spitzled_driver = {
100 .probe = spitzled_probe,
101 .remove = spitzled_remove,
102 #ifdef CONFIG_PM
103 .suspend = spitzled_suspend,
104 .resume = spitzled_resume,
105 #endif
106 .driver = {
107 .name = "spitz-led",
108 .owner = THIS_MODULE,
109 },
110 };
111
112 static int __init spitzled_init(void)
113 {
114 return platform_driver_register(&spitzled_driver);
115 }
116
117 static void __exit spitzled_exit(void)
118 {
119 platform_driver_unregister(&spitzled_driver);
120 }
121
122 module_init(spitzled_init);
123 module_exit(spitzled_exit);
124
125 MODULE_AUTHOR("Richard Purdie <rpurdie@openedhand.com>");
126 MODULE_DESCRIPTION("Spitz LED driver");
127 MODULE_LICENSE("GPL");
128 MODULE_ALIAS("platform:spitz-led");
129
|
This page was automatically generated by the
LXR engine.
|