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authorIngo Molnar <mingo@elte.hu>2009-01-18 14:15:05 -0500
committerIngo Molnar <mingo@elte.hu>2009-01-18 14:15:05 -0500
commit4092762aebfe55c1f8e31440b80a053c2dbe519b (patch)
tree8fb9fd14131194174c12daf5d8195afd3b62bc3e /drivers/leds/leds-hp-disk.c
parent745b1626dd71ce9661a05ea4db57859ed5c773d2 (diff)
parent1de9e8e70f5acc441550ca75433563d91b269bbe (diff)
Merge branch 'tracing/ftrace'; commit 'v2.6.29-rc2' into tracing/core
Diffstat (limited to 'drivers/leds/leds-hp-disk.c')
-rw-r--r--drivers/leds/leds-hp-disk.c137
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 */
37static struct acpi_device_id hpled_device_ids[] = {
38 {"HPQ0004", 0}, /* HP Mobile Data Protection System PNP */
39 {"", 0},
40};
41MODULE_DEVICE_TABLE(acpi, hpled_device_ids);
42
43struct acpi_hpled {
44 struct acpi_device *device; /* The ACPI device */
45};
46
47static struct acpi_hpled adev;
48
49static 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
61static void hpled_set(struct led_classdev *led_cdev,
62 enum led_brightness value)
63{
64 hpled_acpi_write(adev.device->handle, !!value);
65}
66
67static 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
74static 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
90static 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
101static 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
111static 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
127static void __exit hpled_exit_module(void)
128{
129 acpi_bus_unregister_driver(&leds_hp_driver);
130}
131
132MODULE_DESCRIPTION("Driver for HP disk protection LED");
133MODULE_AUTHOR("Pavel Machek <pavel@suse.cz>");
134MODULE_LICENSE("GPL");
135
136module_init(hpled_init_module);
137module_exit(hpled_exit_module);