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[/] [test_project/] [trunk/] [linux_sd_driver/] [drivers/] [leds/] [leds-cm-x270.c] - Blame information for rev 67

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/*
 * drivers/leds/leds-cm-x270.c
 *
 * Copyright 2007 CompuLab Ltd.
 * Author: Mike Rapoport <mike@compulab.co.il>
 *
 * Based on leds-corgi.c
 * 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/arch/hardware.h>
#include <asm/arch/pxa-regs.h>
 
#define GPIO_RED_LED                    (93)
#define GPIO_GREEN_LED                  (94)
 
static void cmx270_red_set(struct led_classdev *led_cdev,
                           enum led_brightness value)
{
        if (value)
                GPCR(GPIO_RED_LED) = GPIO_bit(GPIO_RED_LED);
        else
                GPSR(GPIO_RED_LED) = GPIO_bit(GPIO_RED_LED);
}
 
static void cmx270_green_set(struct led_classdev *led_cdev,
                             enum led_brightness value)
{
        if (value)
                GPCR(GPIO_GREEN_LED) = GPIO_bit(GPIO_GREEN_LED);
        else
                GPSR(GPIO_GREEN_LED) = GPIO_bit(GPIO_GREEN_LED);
}
 
static struct led_classdev cmx270_red_led = {
        .name                   = "cm-x270:red",
        .default_trigger        = "nand-disk",
        .brightness_set         = cmx270_red_set,
};
 
static struct led_classdev cmx270_green_led = {
        .name                   = "cm-x270:green",
        .default_trigger        = "heartbeat",
        .brightness_set         = cmx270_green_set,
};
 
#ifdef CONFIG_PM
static int cmx270led_suspend(struct platform_device *dev, pm_message_t state)
{
        led_classdev_suspend(&cmx270_red_led);
        led_classdev_suspend(&cmx270_green_led);
        return 0;
}
 
static int cmx270led_resume(struct platform_device *dev)
{
        led_classdev_resume(&cmx270_red_led);
        led_classdev_resume(&cmx270_green_led);
        return 0;
}
#endif
 
static int cmx270led_probe(struct platform_device *pdev)
{
        int ret;
 
        ret = led_classdev_register(&pdev->dev, &cmx270_red_led);
        if (ret < 0)
                return ret;
 
        ret = led_classdev_register(&pdev->dev, &cmx270_green_led);
        if (ret < 0)
                led_classdev_unregister(&cmx270_red_led);
 
        return ret;
}
 
static int cmx270led_remove(struct platform_device *pdev)
{
        led_classdev_unregister(&cmx270_red_led);
        led_classdev_unregister(&cmx270_green_led);
        return 0;
}
 
static struct platform_driver cmx270led_driver = {
        .probe          = cmx270led_probe,
        .remove         = cmx270led_remove,
#ifdef CONFIG_PM
        .suspend        = cmx270led_suspend,
        .resume         = cmx270led_resume,
#endif
        .driver         = {
                .name           = "cm-x270-led",
        },
};
 
static int __init cmx270led_init(void)
{
        return platform_driver_register(&cmx270led_driver);
}
 
static void __exit cmx270led_exit(void)
{
        platform_driver_unregister(&cmx270led_driver);
}
 
module_init(cmx270led_init);
module_exit(cmx270led_exit);
 
MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
MODULE_DESCRIPTION("CM-x270 LED driver");
MODULE_LICENSE("GPL");

Line No.	Rev	Author	Line
1	62	marcus.erl	`/*`
2			`* drivers/leds/leds-cm-x270.c`
3			`*`
4			`* Copyright 2007 CompuLab Ltd.`
5			`* Author: Mike Rapoport <mike@compulab.co.il>`
6			`*`
7			`* Based on leds-corgi.c`
8			`* Author: Richard Purdie <rpurdie@openedhand.com>`
9			`*`
10			`* This program is free software; you can redistribute it and/or modify`
11			`* it under the terms of the GNU General Public License version 2 as`
12			`* published by the Free Software Foundation.`
13			`*`
14			`*/`
15
16			`#include <linux/kernel.h>`
17			`#include <linux/init.h>`
18			`#include <linux/platform_device.h>`
19			`#include <linux/leds.h>`
20
21			`#include <asm/arch/hardware.h>`
22			`#include <asm/arch/pxa-regs.h>`
23
24			`#define GPIO_RED_LED (93)`
25			`#define GPIO_GREEN_LED (94)`
26
27			`static void cmx270_red_set(struct led_classdev *led_cdev,`
28			`enum led_brightness value)`
29			`{`
30			`if (value)`
31			`GPCR(GPIO_RED_LED) = GPIO_bit(GPIO_RED_LED);`
32			`else`
33			`GPSR(GPIO_RED_LED) = GPIO_bit(GPIO_RED_LED);`
34			`}`
35
36			`static void cmx270_green_set(struct led_classdev *led_cdev,`
37			`enum led_brightness value)`
38			`{`
39			`if (value)`
40			`GPCR(GPIO_GREEN_LED) = GPIO_bit(GPIO_GREEN_LED);`
41			`else`
42			`GPSR(GPIO_GREEN_LED) = GPIO_bit(GPIO_GREEN_LED);`
43			`}`
44
45			`static struct led_classdev cmx270_red_led = {`
46			`.name = "cm-x270:red",`
47			`.default_trigger = "nand-disk",`
48			`.brightness_set = cmx270_red_set,`
49			`};`
50
51			`static struct led_classdev cmx270_green_led = {`
52			`.name = "cm-x270:green",`
53			`.default_trigger = "heartbeat",`
54			`.brightness_set = cmx270_green_set,`
55			`};`
56
57			`#ifdef CONFIG_PM`
58			`static int cmx270led_suspend(struct platform_device *dev, pm_message_t state)`
59			`{`
60			`led_classdev_suspend(&cmx270_red_led);`
61			`led_classdev_suspend(&cmx270_green_led);`
62			`return 0;`
63			`}`
64
65			`static int cmx270led_resume(struct platform_device *dev)`
66			`{`
67			`led_classdev_resume(&cmx270_red_led);`
68			`led_classdev_resume(&cmx270_green_led);`
69			`return 0;`
70			`}`
71			`#endif`
72
73			`static int cmx270led_probe(struct platform_device *pdev)`
74			`{`
75			`int ret;`
76
77			`ret = led_classdev_register(&pdev->dev, &cmx270_red_led);`
78			`if (ret < 0)`
79			`return ret;`
80
81			`ret = led_classdev_register(&pdev->dev, &cmx270_green_led);`
82			`if (ret < 0)`
83			`led_classdev_unregister(&cmx270_red_led);`
84
85			`return ret;`
86			`}`
87
88			`static int cmx270led_remove(struct platform_device *pdev)`
89			`{`
90			`led_classdev_unregister(&cmx270_red_led);`
91			`led_classdev_unregister(&cmx270_green_led);`
92			`return 0;`
93			`}`
94
95			`static struct platform_driver cmx270led_driver = {`
96			`.probe = cmx270led_probe,`
97			`.remove = cmx270led_remove,`
98			`#ifdef CONFIG_PM`
99			`.suspend = cmx270led_suspend,`
100			`.resume = cmx270led_resume,`
101			`#endif`
102			`.driver = {`
103			`.name = "cm-x270-led",`
104			`},`
105			`};`
106
107			`static int __init cmx270led_init(void)`
108			`{`
109			`return platform_driver_register(&cmx270led_driver);`
110			`}`
111
112			`static void __exit cmx270led_exit(void)`
113			`{`
114			`platform_driver_unregister(&cmx270led_driver);`
115			`}`
116
117			`module_init(cmx270led_init);`
118			`module_exit(cmx270led_exit);`
119
120			`MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");`
121			`MODULE_DESCRIPTION("CM-x270 LED driver");`
122			`MODULE_LICENSE("GPL");`

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[/] [test_project/] [trunk/] [linux_sd_driver/] [drivers/] [leds/] [leds-cm-x270.c] - Blame information for rev 67