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-rw-r--r--include/linux/rfkill.h89
-rw-r--r--net/Kconfig2
-rw-r--r--net/Makefile1
-rw-r--r--net/rfkill/Kconfig24
-rw-r--r--net/rfkill/Makefile6
-rw-r--r--net/rfkill/rfkill-input.c174
-rw-r--r--net/rfkill/rfkill.c407
7 files changed, 703 insertions, 0 deletions
diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h
new file mode 100644
index 000000000000..7c1ffbab7865
--- /dev/null
+++ b/include/linux/rfkill.h
@@ -0,0 +1,89 @@
1#ifndef __RFKILL_H
2#define __RFKILL_H
3
4/*
5 * Copyright (C) 2006 Ivo van Doorn
6 * Copyright (C) 2007 Dmitry Torokhov
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 as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the
20 * Free Software Foundation, Inc.,
21 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 */
23
24#include <linux/types.h>
25#include <linux/kernel.h>
26#include <linux/list.h>
27#include <linux/mutex.h>
28#include <linux/device.h>
29
30/**
31 * enum rfkill_type - type of rfkill switch.
32 * RFKILL_TYPE_WLAN: switch is no a Wireless network devices.
33 * RFKILL_TYPE_BlUETOOTH: switch is on a bluetooth device.
34 * RFKILL_TYPE_IRDA: switch is on an infrared devices.
35 */
36enum rfkill_type {
37 RFKILL_TYPE_WLAN = 0,
38 RFKILL_TYPE_BLUETOOTH = 1,
39 RFKILL_TYPE_IRDA = 2,
40 RFKILL_TYPE_MAX = 3,
41};
42
43enum rfkill_state {
44 RFKILL_STATE_OFF = 0,
45 RFKILL_STATE_ON = 1,
46};
47
48/**
49 * struct rfkill - rfkill control structure.
50 * @name: Name of the switch.
51 * @type: Radio type which the button controls, the value stored
52 * here should be a value from enum rfkill_type.
53 * @state: State of the switch (on/off).
54 * @user_claim: Set when the switch is controlled exlusively by userspace.
55 * @mutex: Guards switch state transitions
56 * @data: Pointer to the RF button drivers private data which will be
57 * passed along when toggling radio state.
58 * @toggle_radio(): Mandatory handler to control state of the radio.
59 * @dev: Device structure integrating the switch into device tree.
60 * @node: Used to place switch into list of all switches known to the
61 * the system.
62 *
63 * This structure represents a RF switch located on a network device.
64 */
65struct rfkill {
66 char *name;
67 enum rfkill_type type;
68
69 enum rfkill_state state;
70 bool user_claim;
71
72 struct mutex mutex;
73
74 void *data;
75 int (*toggle_radio)(void *data, enum rfkill_state state);
76
77 struct device dev;
78 struct list_head node;
79};
80#define to_rfkill(d) container_of(d, struct rfkill, dev)
81
82struct rfkill *rfkill_allocate(struct device *parent, enum rfkill_type type);
83void rfkill_free(struct rfkill *rfkill);
84int rfkill_register(struct rfkill *rfkill);
85void rfkill_unregister(struct rfkill *rfkill);
86
87void rfkill_switch_all(enum rfkill_type type, enum rfkill_state state);
88
89#endif /* RFKILL_H */
diff --git a/net/Kconfig b/net/Kconfig
index 5b2227813923..caeacd16656a 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -225,6 +225,8 @@ source "net/ieee80211/Kconfig"
225 225
226endmenu 226endmenu
227 227
228source "net/rfkill/Kconfig"
229
228endif # if NET 230endif # if NET
229endmenu # Networking 231endmenu # Networking
230 232
diff --git a/net/Makefile b/net/Makefile
index 9fdb60c2e4a1..34e5b2d7f877 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -51,6 +51,7 @@ obj-$(CONFIG_IEEE80211) += ieee80211/
51obj-$(CONFIG_TIPC) += tipc/ 51obj-$(CONFIG_TIPC) += tipc/
52obj-$(CONFIG_NETLABEL) += netlabel/ 52obj-$(CONFIG_NETLABEL) += netlabel/
53obj-$(CONFIG_IUCV) += iucv/ 53obj-$(CONFIG_IUCV) += iucv/
54obj-$(CONFIG_RFKILL) += rfkill/
54 55
55ifeq ($(CONFIG_NET),y) 56ifeq ($(CONFIG_NET),y)
56obj-$(CONFIG_SYSCTL) += sysctl_net.o 57obj-$(CONFIG_SYSCTL) += sysctl_net.o
diff --git a/net/rfkill/Kconfig b/net/rfkill/Kconfig
new file mode 100644
index 000000000000..8b31759ee8b0
--- /dev/null
+++ b/net/rfkill/Kconfig
@@ -0,0 +1,24 @@
1#
2# RF switch subsystem configuration
3#
4menuconfig RFKILL
5 tristate "RF switch subsystem support"
6 help
7 Say Y here if you want to have control over RF switches
8 found on many WiFi, Bluetooth and IRDA cards.
9
10 To compile this driver as a module, choose M here: the
11 module will be called rfkill.
12
13config RFKILL_INPUT
14 tristate "Input layer to RF switch connector"
15 depends on RFKILL && INPUT
16 help
17 Say Y here if you want kernel automatically toggle state
18 of RF switches on and off when user presses appropriate
19 button or a key on the keyboard. Without this module you
20 need a some kind of userspace application to control
21 state of the switches.
22
23 To compile this driver as a module, choose M here: the
24 module will be called rfkill-input.
diff --git a/net/rfkill/Makefile b/net/rfkill/Makefile
new file mode 100644
index 000000000000..b38c430be057
--- /dev/null
+++ b/net/rfkill/Makefile
@@ -0,0 +1,6 @@
1#
2# Makefile for the RF switch subsystem.
3#
4
5obj-$(CONFIG_RFKILL) += rfkill.o
6obj-$(CONFIG_RFKILL_INPUT) += rfkill-input.o
diff --git a/net/rfkill/rfkill-input.c b/net/rfkill/rfkill-input.c
new file mode 100644
index 000000000000..e5c840c30284
--- /dev/null
+++ b/net/rfkill/rfkill-input.c
@@ -0,0 +1,174 @@
1/*
2 * Input layer to RF Kill interface connector
3 *
4 * Copyright (c) 2007 Dmitry Torokhov
5 */
6
7/*
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 as published
10 * by the Free Software Foundation.
11 */
12
13#include <linux/module.h>
14#include <linux/input.h>
15#include <linux/slab.h>
16#include <linux/workqueue.h>
17#include <linux/init.h>
18#include <linux/rfkill.h>
19
20MODULE_AUTHOR("Dmitry Torokhov <dtor@mail.ru>");
21MODULE_DESCRIPTION("Input layer to RF switch connector");
22MODULE_LICENSE("GPL");
23
24struct rfkill_task {
25 struct work_struct work;
26 enum rfkill_type type;
27 struct mutex mutex; /* ensures that task is serialized */
28 spinlock_t lock; /* for accessing last and desired state */
29 unsigned long last; /* last schedule */
30 enum rfkill_state desired_state; /* on/off */
31 enum rfkill_state current_state; /* on/off */
32};
33
34static void rfkill_task_handler(struct work_struct *work)
35{
36 struct rfkill_task *task = container_of(work, struct rfkill_task, work);
37 enum rfkill_state state;
38
39 mutex_lock(&task->mutex);
40
41 /*
42 * Use temp variable to fetch desired state to keep it
43 * consistent even if rfkill_schedule_toggle() runs in
44 * another thread or interrupts us.
45 */
46 state = task->desired_state;
47
48 if (state != task->current_state) {
49 rfkill_switch_all(task->type, state);
50 task->current_state = state;
51 }
52
53 mutex_unlock(&task->mutex);
54}
55
56static void rfkill_schedule_toggle(struct rfkill_task *task)
57{
58 unsigned int flags;
59
60 spin_lock_irqsave(&task->lock, flags);
61
62 if (time_after(jiffies, task->last + msecs_to_jiffies(200))) {
63 task->desired_state = !task->desired_state;
64 task->last = jiffies;
65 schedule_work(&task->work);
66 }
67
68 spin_unlock_irqrestore(&task->lock, flags);
69}
70
71#define DEFINE_RFKILL_TASK(n, t) \
72 struct rfkill_task n = { \
73 .work = __WORK_INITIALIZER(n.work, \
74 rfkill_task_handler), \
75 .type = t, \
76 .mutex = __MUTEX_INITIALIZER(n.mutex), \
77 .lock = __SPIN_LOCK_UNLOCKED(n.lock), \
78 .desired_state = RFKILL_STATE_ON, \
79 .current_state = RFKILL_STATE_ON, \
80 }
81
82static DEFINE_RFKILL_TASK(rfkill_wlan, RFKILL_TYPE_WLAN);
83static DEFINE_RFKILL_TASK(rfkill_bt, RFKILL_TYPE_BLUETOOTH);
84
85static void rfkill_event(struct input_handle *handle, unsigned int type,
86 unsigned int code, int down)
87{
88 if (type == EV_KEY && down == 1) {
89 switch (code) {
90 case KEY_WLAN:
91 rfkill_schedule_toggle(&rfkill_wlan);
92 break;
93 case KEY_BLUETOOTH:
94 rfkill_schedule_toggle(&rfkill_bt);
95 break;
96 default:
97 break;
98 }
99 }
100}
101
102static int rfkill_connect(struct input_handler *handler, struct input_dev *dev,
103 const struct input_device_id *id)
104{
105 struct input_handle *handle;
106 int error;
107
108 handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL);
109 if (!handle)
110 return -ENOMEM;
111
112 handle->dev = dev;
113 handle->handler = handler;
114 handle->name = "rfkill";
115
116 error = input_register_handle(handle);
117 if (error)
118 goto err_free_handle;
119
120 error = input_open_device(handle);
121 if (error)
122 goto err_unregister_handle;
123
124 return 0;
125
126 err_unregister_handle:
127 input_unregister_handle(handle);
128 err_free_handle:
129 kfree(handle);
130 return error;
131}
132
133static void rfkill_disconnect(struct input_handle *handle)
134{
135 input_close_device(handle);
136 input_unregister_handle(handle);
137 kfree(handle);
138}
139
140static const struct input_device_id rfkill_ids[] = {
141 {
142 .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT,
143 .evbit = { BIT(EV_KEY) },
144 .keybit = { [LONG(KEY_WLAN)] = BIT(KEY_WLAN) },
145 },
146 {
147 .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT,
148 .evbit = { BIT(EV_KEY) },
149 .keybit = { [LONG(KEY_BLUETOOTH)] = BIT(KEY_BLUETOOTH) },
150 },
151 { }
152};
153
154static struct input_handler rfkill_handler = {
155 .event = rfkill_event,
156 .connect = rfkill_connect,
157 .disconnect = rfkill_disconnect,
158 .name = "rfkill",
159 .id_table = rfkill_ids,
160};
161
162static int __init rfkill_handler_init(void)
163{
164 return input_register_handler(&rfkill_handler);
165}
166
167static void __exit rfkill_handler_exit(void)
168{
169 input_unregister_handler(&rfkill_handler);
170 flush_scheduled_work();
171}
172
173module_init(rfkill_handler_init);
174module_exit(rfkill_handler_exit);
diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c
new file mode 100644
index 000000000000..a973603e3880
--- /dev/null
+++ b/net/rfkill/rfkill.c
@@ -0,0 +1,407 @@
1/*
2 * Copyright (C) 2006 Ivo van Doorn
3 * Copyright (C) 2007 Dmitry Torokhov
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the
17 * Free Software Foundation, Inc.,
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 */
20
21#include <linux/kernel.h>
22#include <linux/module.h>
23#include <linux/init.h>
24#include <linux/workqueue.h>
25#include <linux/capability.h>
26#include <linux/list.h>
27#include <linux/mutex.h>
28#include <linux/rfkill.h>
29
30MODULE_AUTHOR("Ivo van Doorn <IvDoorn@gmail.com>");
31MODULE_VERSION("1.0");
32MODULE_DESCRIPTION("RF switch support");
33MODULE_LICENSE("GPL");
34
35static LIST_HEAD(rfkill_list); /* list of registered rf switches */
36static DEFINE_MUTEX(rfkill_mutex);
37
38static enum rfkill_state rfkill_states[RFKILL_TYPE_MAX];
39
40static int rfkill_toggle_radio(struct rfkill *rfkill,
41 enum rfkill_state state)
42{
43 int retval;
44
45 retval = mutex_lock_interruptible(&rfkill->mutex);
46 if (retval)
47 return retval;
48
49 if (state != rfkill->state) {
50 retval = rfkill->toggle_radio(rfkill->data, state);
51 if (!retval)
52 rfkill->state = state;
53 }
54
55 mutex_unlock(&rfkill->mutex);
56 return retval;
57}
58
59/**
60 * rfkill_switch_all - Toggle state of all switches of given type
61 * @type: type of interfaces to be affeceted
62 * @state: the new state
63 *
64 * This function toggles state of all switches of given type unless
65 * a specific switch is claimed by userspace in which case it is
66 * left alone.
67 */
68
69void rfkill_switch_all(enum rfkill_type type, enum rfkill_state state)
70{
71 struct rfkill *rfkill;
72
73 mutex_lock(&rfkill_mutex);
74
75 rfkill_states[type] = state;
76
77 list_for_each_entry(rfkill, &rfkill_list, node) {
78 if (!rfkill->user_claim)
79 rfkill_toggle_radio(rfkill, state);
80 }
81
82 mutex_unlock(&rfkill_mutex);
83}
84EXPORT_SYMBOL(rfkill_switch_all);
85
86static ssize_t rfkill_name_show(struct device *dev,
87 struct device_attribute *attr,
88 char *buf)
89{
90 struct rfkill *rfkill = to_rfkill(dev);
91
92 return sprintf(buf, "%s\n", rfkill->name);
93}
94
95static ssize_t rfkill_type_show(struct device *dev,
96 struct device_attribute *attr,
97 char *buf)
98{
99 struct rfkill *rfkill = to_rfkill(dev);
100 const char *type;
101
102 switch (rfkill->type) {
103 case RFKILL_TYPE_WLAN:
104 type = "wlan";
105 break;
106 case RFKILL_TYPE_BLUETOOTH:
107 type = "bluetooth";
108 break;
109 case RFKILL_TYPE_IRDA:
110 type = "irda";
111 break;
112 default:
113 BUG();
114 }
115
116 return sprintf(buf, "%s\n", type);
117}
118
119static ssize_t rfkill_state_show(struct device *dev,
120 struct device_attribute *attr,
121 char *buf)
122{
123 struct rfkill *rfkill = to_rfkill(dev);
124
125 return sprintf(buf, "%d\n", rfkill->state);
126}
127
128static ssize_t rfkill_state_store(struct device *dev,
129 struct device_attribute *attr,
130 const char *buf, size_t count)
131{
132 struct rfkill *rfkill = to_rfkill(dev);
133 unsigned int state = simple_strtoul(buf, NULL, 0);
134 int error;
135
136 if (!capable(CAP_NET_ADMIN))
137 return -EPERM;
138
139 error = rfkill_toggle_radio(rfkill,
140 state ? RFKILL_STATE_ON : RFKILL_STATE_OFF);
141 if (error)
142 return error;
143
144 return count;
145}
146
147static ssize_t rfkill_claim_show(struct device *dev,
148 struct device_attribute *attr,
149 char *buf)
150{
151 struct rfkill *rfkill = to_rfkill(dev);
152
153 return sprintf(buf, "%d", rfkill->user_claim);
154}
155
156static ssize_t rfkill_claim_store(struct device *dev,
157 struct device_attribute *attr,
158 const char *buf, size_t count)
159{
160 struct rfkill *rfkill = to_rfkill(dev);
161 bool claim = !!simple_strtoul(buf, NULL, 0);
162 int error;
163
164 if (!capable(CAP_NET_ADMIN))
165 return -EPERM;
166
167 /*
168 * Take the global lock to make sure the kernel is not in
169 * the middle of rfkill_switch_all
170 */
171 error = mutex_lock_interruptible(&rfkill_mutex);
172 if (error)
173 return error;
174
175 if (rfkill->user_claim != claim) {
176 if (!claim)
177 rfkill_toggle_radio(rfkill,
178 rfkill_states[rfkill->type]);
179 rfkill->user_claim = claim;
180 }
181
182 mutex_unlock(&rfkill_mutex);
183
184 return count;
185}
186
187static struct device_attribute rfkill_dev_attrs[] = {
188 __ATTR(name, S_IRUGO, rfkill_name_show, NULL),
189 __ATTR(type, S_IRUGO, rfkill_type_show, NULL),
190 __ATTR(state, S_IRUGO, rfkill_state_show, rfkill_state_store),
191 __ATTR(claim, S_IRUGO|S_IWUSR, rfkill_claim_show, rfkill_claim_store),
192 __ATTR_NULL
193};
194
195static void rfkill_release(struct device *dev)
196{
197 struct rfkill *rfkill = to_rfkill(dev);
198
199 kfree(rfkill);
200 module_put(THIS_MODULE);
201}
202
203#ifdef CONFIG_PM
204static int rfkill_suspend(struct device *dev, pm_message_t state)
205{
206 struct rfkill *rfkill = to_rfkill(dev);
207
208 if (dev->power.power_state.event != state.event) {
209 if (state.event == PM_EVENT_SUSPEND) {
210 mutex_lock(&rfkill->mutex);
211
212 if (rfkill->state == RFKILL_STATE_ON)
213 rfkill->toggle_radio(rfkill->data,
214 RFKILL_STATE_OFF);
215
216 mutex_unlock(&rfkill->mutex);
217 }
218
219 dev->power.power_state = state;
220 }
221
222 return 0;
223}
224
225static int rfkill_resume(struct device *dev)
226{
227 struct rfkill *rfkill = to_rfkill(dev);
228
229 if (dev->power.power_state.event != PM_EVENT_ON) {
230 mutex_lock(&rfkill->mutex);
231
232 if (rfkill->state == RFKILL_STATE_ON)
233 rfkill->toggle_radio(rfkill->data, RFKILL_STATE_ON);
234
235 mutex_unlock(&rfkill->mutex);
236 }
237
238 dev->power.power_state = PMSG_ON;
239 return 0;
240}
241#else
242#define rfkill_suspend NULL
243#define rfkill_resume NULL
244#endif
245
246static struct class rfkill_class = {
247 .name = "rfkill",
248 .dev_release = rfkill_release,
249 .dev_attrs = rfkill_dev_attrs,
250 .suspend = rfkill_suspend,
251 .resume = rfkill_resume,
252};
253
254static int rfkill_add_switch(struct rfkill *rfkill)
255{
256 int retval;
257
258 retval = mutex_lock_interruptible(&rfkill_mutex);
259 if (retval)
260 return retval;
261
262 retval = rfkill_toggle_radio(rfkill, rfkill_states[rfkill->type]);
263 if (retval)
264 goto out;
265
266 list_add_tail(&rfkill->node, &rfkill_list);
267
268 out:
269 mutex_unlock(&rfkill_mutex);
270 return retval;
271}
272
273static void rfkill_remove_switch(struct rfkill *rfkill)
274{
275 mutex_lock(&rfkill_mutex);
276 list_del_init(&rfkill->node);
277 rfkill_toggle_radio(rfkill, RFKILL_STATE_OFF);
278 mutex_unlock(&rfkill_mutex);
279}
280
281/**
282 * rfkill_allocate - allocate memory for rfkill structure.
283 * @parent: device that has rf switch on it
284 * @type: type of the switch (wlan, bluetooth, irda)
285 *
286 * This function should be called by the network driver when it needs
287 * rfkill structure. Once the structure is allocated the driver shoud
288 * finish its initialization by setting name, private data, enable_radio
289 * and disable_radio methods and then register it with rfkill_register().
290 * NOTE: If registration fails the structure shoudl be freed by calling
291 * rfkill_free() otherwise rfkill_unregister() should be used.
292 */
293struct rfkill *rfkill_allocate(struct device *parent, enum rfkill_type type)
294{
295 struct rfkill *rfkill;
296 struct device *dev;
297
298 rfkill = kzalloc(sizeof(struct rfkill), GFP_KERNEL);
299 if (rfkill)
300 return NULL;
301
302 mutex_init(&rfkill->mutex);
303 INIT_LIST_HEAD(&rfkill->node);
304 rfkill->type = type;
305
306 dev = &rfkill->dev;
307 dev->class = &rfkill_class;
308 dev->parent = parent;
309 device_initialize(dev);
310
311 __module_get(THIS_MODULE);
312
313 return rfkill;
314}
315EXPORT_SYMBOL(rfkill_allocate);
316
317/**
318 * rfkill_free - Mark rfkill structure for deletion
319 * @rfkill: rfkill structure to be destroyed
320 *
321 * Decrements reference count of rfkill structure so it is destoryed.
322 * Note that rfkill_free() should _not_ be called after rfkill_unregister().
323 */
324void rfkill_free(struct rfkill *rfkill)
325{
326 if (rfkill)
327 put_device(&rfkill->dev);
328}
329EXPORT_SYMBOL(rfkill_free);
330
331/**
332 * rfkill_register - Register a rfkill structure.
333 * @rfkill: rfkill structure to be registered
334 *
335 * This function should be called by the network driver when the rfkill
336 * structure needs to be registered. Immediately from registration the
337 * switch driver should be able to service calls to toggle_radio.
338 */
339int rfkill_register(struct rfkill *rfkill)
340{
341 static atomic_t rfkill_no = ATOMIC_INIT(0);
342 struct device *dev = &rfkill->dev;
343 int error;
344
345 if (!rfkill->toggle_radio)
346 return -EINVAL;
347
348 error = rfkill_add_switch(rfkill);
349 if (error)
350 return error;
351
352 snprintf(dev->bus_id, sizeof(dev->bus_id),
353 "rfkill%ld", (long)atomic_inc_return(&rfkill_no) - 1);
354
355 error = device_add(dev);
356 if (error) {
357 rfkill_remove_switch(rfkill);
358 return error;
359 }
360
361 return 0;
362}
363EXPORT_SYMBOL(rfkill_register);
364
365/**
366 * rfkill_unregister - Uegister a rfkill structure.
367 * @rfkill: rfkill structure to be unregistered
368 *
369 * This function should be called by the network driver during device
370 * teardown to destroy rfkill structure. Note that rfkill_free() should
371 * _not_ be called after rfkill_unregister().
372 */
373void rfkill_unregister(struct rfkill *rfkill)
374{
375 device_del(&rfkill->dev);
376 rfkill_remove_switch(rfkill);
377 put_device(&rfkill->dev);
378}
379EXPORT_SYMBOL(rfkill_unregister);
380
381/*
382 * Rfkill module initialization/deinitialization.
383 */
384static int __init rfkill_init(void)
385{
386 int error;
387 int i;
388
389 for (i = 0; i < ARRAY_SIZE(rfkill_states); i++)
390 rfkill_states[i] = RFKILL_STATE_ON;
391
392 error = class_register(&rfkill_class);
393 if (error) {
394 printk(KERN_ERR "rfkill: unable to register rfkill class\n");
395 return error;
396 }
397
398 return 0;
399}
400
401static void __exit rfkill_exit(void)
402{
403 class_unregister(&rfkill_class);
404}
405
406module_init(rfkill_init);
407module_exit(rfkill_exit);
generated by cgit v1.2.2 (git 2.25.0) at 2025-11-02 03:56:19 -0500