diff options
Diffstat (limited to 'drivers/leds/leds-hp-disk.c')
-rw-r--r-- | drivers/leds/leds-hp-disk.c | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/drivers/leds/leds-hp-disk.c b/drivers/leds/leds-hp-disk.c deleted file mode 100644 index d786adc8c5e3..000000000000 --- a/drivers/leds/leds-hp-disk.c +++ /dev/null | |||
@@ -1,137 +0,0 @@ | |||
1 | /* | ||
2 | * leds-hp-disk.c - driver for HP "hard disk protection" LED | ||
3 | * | ||
4 | * Copyright (C) 2008 Pavel Machek | ||
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 as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with this program; if not, write to the Free Software | ||
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
19 | */ | ||
20 | |||
21 | #include <linux/kernel.h> | ||
22 | #include <linux/init.h> | ||
23 | #include <linux/dmi.h> | ||
24 | #include <linux/module.h> | ||
25 | #include <linux/types.h> | ||
26 | #include <linux/platform_device.h> | ||
27 | #include <linux/interrupt.h> | ||
28 | #include <linux/input.h> | ||
29 | #include <linux/kthread.h> | ||
30 | #include <linux/leds.h> | ||
31 | #include <acpi/acpi_drivers.h> | ||
32 | |||
33 | #define DRIVER_NAME "leds-hp-disk" | ||
34 | #define ACPI_MDPS_CLASS "led" | ||
35 | |||
36 | /* For automatic insertion of the module */ | ||
37 | static struct acpi_device_id hpled_device_ids[] = { | ||
38 | {"HPQ0004", 0}, /* HP Mobile Data Protection System PNP */ | ||
39 | {"", 0}, | ||
40 | }; | ||
41 | MODULE_DEVICE_TABLE(acpi, hpled_device_ids); | ||
42 | |||
43 | struct acpi_hpled { | ||
44 | struct acpi_device *device; /* The ACPI device */ | ||
45 | }; | ||
46 | |||
47 | static struct acpi_hpled adev; | ||
48 | |||
49 | static acpi_status hpled_acpi_write(acpi_handle handle, int reg) | ||
50 | { | ||
51 | unsigned long long ret; /* Not used when writing */ | ||
52 | union acpi_object in_obj[1]; | ||
53 | struct acpi_object_list args = { 1, in_obj }; | ||
54 | |||
55 | in_obj[0].type = ACPI_TYPE_INTEGER; | ||
56 | in_obj[0].integer.value = reg; | ||
57 | |||
58 | return acpi_evaluate_integer(handle, "ALED", &args, &ret); | ||
59 | } | ||
60 | |||
61 | static void hpled_set(struct led_classdev *led_cdev, | ||
62 | enum led_brightness value) | ||
63 | { | ||
64 | hpled_acpi_write(adev.device->handle, !!value); | ||
65 | } | ||
66 | |||
67 | static struct led_classdev hpled_led = { | ||
68 | .name = "hp:red:hddprotection", | ||
69 | .default_trigger = "heartbeat", | ||
70 | .brightness_set = hpled_set, | ||
71 | .flags = LED_CORE_SUSPENDRESUME, | ||
72 | }; | ||
73 | |||
74 | static int hpled_add(struct acpi_device *device) | ||
75 | { | ||
76 | int ret; | ||
77 | |||
78 | if (!device) | ||
79 | return -EINVAL; | ||
80 | |||
81 | adev.device = device; | ||
82 | strcpy(acpi_device_name(device), DRIVER_NAME); | ||
83 | strcpy(acpi_device_class(device), ACPI_MDPS_CLASS); | ||
84 | device->driver_data = &adev; | ||
85 | |||
86 | ret = led_classdev_register(NULL, &hpled_led); | ||
87 | return ret; | ||
88 | } | ||
89 | |||
90 | static int hpled_remove(struct acpi_device *device, int type) | ||
91 | { | ||
92 | if (!device) | ||
93 | return -EINVAL; | ||
94 | |||
95 | led_classdev_unregister(&hpled_led); | ||
96 | return 0; | ||
97 | } | ||
98 | |||
99 | |||
100 | |||
101 | static struct acpi_driver leds_hp_driver = { | ||
102 | .name = DRIVER_NAME, | ||
103 | .class = ACPI_MDPS_CLASS, | ||
104 | .ids = hpled_device_ids, | ||
105 | .ops = { | ||
106 | .add = hpled_add, | ||
107 | .remove = hpled_remove, | ||
108 | } | ||
109 | }; | ||
110 | |||
111 | static int __init hpled_init_module(void) | ||
112 | { | ||
113 | int ret; | ||
114 | |||
115 | if (acpi_disabled) | ||
116 | return -ENODEV; | ||
117 | |||
118 | ret = acpi_bus_register_driver(&leds_hp_driver); | ||
119 | if (ret < 0) | ||
120 | return ret; | ||
121 | |||
122 | printk(KERN_INFO DRIVER_NAME " driver loaded.\n"); | ||
123 | |||
124 | return 0; | ||
125 | } | ||
126 | |||
127 | static void __exit hpled_exit_module(void) | ||
128 | { | ||
129 | acpi_bus_unregister_driver(&leds_hp_driver); | ||
130 | } | ||
131 | |||
132 | MODULE_DESCRIPTION("Driver for HP disk protection LED"); | ||
133 | MODULE_AUTHOR("Pavel Machek <pavel@suse.cz>"); | ||
134 | MODULE_LICENSE("GPL"); | ||
135 | |||
136 | module_init(hpled_init_module); | ||
137 | module_exit(hpled_exit_module); | ||