summaryrefslogtreecommitdiffstats
path: root/drivers/leds/leds-spitz.c
blob: 178831c64bfb2dbed496df7886f151235bb80a01 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/*
 * LED Triggers Core
 *
 * Copyright 2005-2006 Openedhand Ltd.
 *
 * Author: Richard Purdie <rpurdie@openedhand.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <asm/hardware/scoop.h>
#include <asm/mach-types.h>
#include <mach/hardware.h>
#include <mach/pxa-regs.h>
#include <mach/spitz.h>

static void spitzled_amber_set(struct led_classdev *led_cdev,
			       enum led_brightness value)
{
	if (value)
		set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_ORANGE);
	else
		reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_ORANGE);
}

static void spitzled_green_set(struct led_classdev *led_cdev,
			       enum led_brightness value)
{
	if (value)
		set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_GREEN);
	else
		reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_GREEN);
}

static struct led_classdev spitz_amber_led = {
	.name			= "spitz:amber:charge",
	.default_trigger	= "sharpsl-charge",
	.brightness_set		= spitzled_amber_set,
};

static struct led_classdev spitz_green_led = {
	.name			= "spitz:green:hddactivity",
	.default_trigger	= "ide-disk",
	.brightness_set		= spitzled_green_set,
};

#ifdef CONFIG_PM
static int spitzled_suspend(struct platform_device *dev, pm_message_t state)
{
#ifdef CONFIG_LEDS_TRIGGERS
	if (spitz_amber_led.trigger &&
	    strcmp(spitz_amber_led.trigger->name, "sharpsl-charge"))
#endif
		led_classdev_suspend(&spitz_amber_led);
	led_classdev_suspend(&spitz_green_led);
	return 0;
}

static int spitzled_resume(struct platform_device *dev)
{
	led_classdev_resume(&spitz_amber_led);
	led_classdev_resume(&spitz_green_led);
	return 0;
}
#endif

static int spitzled_probe(struct platform_device *pdev)
{
	int ret;

	if (machine_is_akita()) {
		spitz_green_led.name = "spitz:green:mail";
		spitz_green_led.default_trigger = "nand-disk";
	}

	ret = led_classdev_register(&pdev->dev, &spitz_amber_led);
	if (ret < 0)
		return ret;

	ret = led_classdev_register(&pdev->dev, &spitz_green_led);
	if (ret < 0)
		led_classdev_unregister(&spitz_amber_led);

	return ret;
}

static int spitzled_remove(struct platform_device *pdev)
{
	led_classdev_unregister(&spitz_amber_led);
	led_classdev_unregister(&spitz_green_led);

	return 0;
}

static struct platform_driver spitzled_driver = {
	.probe		= spitzled_probe,
	.remove		= spitzled_remove,
#ifdef CONFIG_PM
	.suspend	= spitzled_suspend,
	.resume		= spitzled_resume,
#endif
	.driver		= {
		.name		= "spitz-led",
		.owner		= THIS_MODULE,
	},
};

static int __init spitzled_init(void)
{
	return platform_driver_register(&spitzled_driver);
}

static void __exit spitzled_exit(void)
{
	platform_driver_unregister(&spitzled_driver);
}

module_init(spitzled_init);
module_exit(spitzled_exit);

MODULE_AUTHOR("Richard Purdie <rpurdie@openedhand.com>");
MODULE_DESCRIPTION("Spitz LED driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:spitz-led");
OpenPOWER on IntegriCloud