2 * HID driver for some logitech "special" devices
4 * Copyright (c) 1999 Andreas Gal
5 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
6 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
7 * Copyright (c) 2006-2007 Jiri Kosina
8 * Copyright (c) 2008 Jiri Slaby
9 * Copyright (c) 2010 Hendrik Iben
13 * This program is free software; you can redistribute it and/or modify it
14 * under the terms of the GNU General Public License as published by the Free
15 * Software Foundation; either version 2 of the License, or (at your option)
19 #include <linux/device.h>
20 #include <linux/hid.h>
21 #include <linux/module.h>
22 #include <linux/random.h>
23 #include <linux/sched.h>
24 #include <linux/wait.h>
29 #define LG_RDESC 0x001
30 #define LG_BAD_RELATIVE_KEYS 0x002
31 #define LG_DUPLICATE_USAGES 0x004
32 #define LG_EXPANDED_KEYMAP 0x010
33 #define LG_IGNORE_DOUBLED_WHEEL 0x020
34 #define LG_WIRELESS 0x040
35 #define LG_INVERT_HWHEEL 0x080
36 #define LG_NOGET 0x100
39 #define LG_RDESC_REL_ABS 0x800
43 /* Size of the original descriptor of the Driving Force Pro wheel */
44 #define DFP_RDESC_ORIG_SIZE 97
46 /* Fixed report descriptor for Logitech Driving Force Pro wheel controller
48 * The original descriptor hides the separate throttle and brake axes in
49 * a custom vendor usage page, providing only a combined value as
51 * This descriptor removes the combined Y axis and instead reports
52 * separate throttle (Y) and brake (RZ).
54 static __u8 dfp_rdesc_fixed
[] = {
55 0x05, 0x01, /* Usage Page (Desktop), */
56 0x09, 0x04, /* Usage (Joystik), */
57 0xA1, 0x01, /* Collection (Application), */
58 0xA1, 0x02, /* Collection (Logical), */
59 0x95, 0x01, /* Report Count (1), */
60 0x75, 0x0E, /* Report Size (14), */
61 0x14, /* Logical Minimum (0), */
62 0x26, 0xFF, 0x3F, /* Logical Maximum (16383), */
63 0x34, /* Physical Minimum (0), */
64 0x46, 0xFF, 0x3F, /* Physical Maximum (16383), */
65 0x09, 0x30, /* Usage (X), */
66 0x81, 0x02, /* Input (Variable), */
67 0x95, 0x0E, /* Report Count (14), */
68 0x75, 0x01, /* Report Size (1), */
69 0x25, 0x01, /* Logical Maximum (1), */
70 0x45, 0x01, /* Physical Maximum (1), */
71 0x05, 0x09, /* Usage Page (Button), */
72 0x19, 0x01, /* Usage Minimum (01h), */
73 0x29, 0x0E, /* Usage Maximum (0Eh), */
74 0x81, 0x02, /* Input (Variable), */
75 0x05, 0x01, /* Usage Page (Desktop), */
76 0x95, 0x01, /* Report Count (1), */
77 0x75, 0x04, /* Report Size (4), */
78 0x25, 0x07, /* Logical Maximum (7), */
79 0x46, 0x3B, 0x01, /* Physical Maximum (315), */
80 0x65, 0x14, /* Unit (Degrees), */
81 0x09, 0x39, /* Usage (Hat Switch), */
82 0x81, 0x42, /* Input (Variable, Nullstate), */
83 0x65, 0x00, /* Unit, */
84 0x26, 0xFF, 0x00, /* Logical Maximum (255), */
85 0x46, 0xFF, 0x00, /* Physical Maximum (255), */
86 0x75, 0x08, /* Report Size (8), */
87 0x81, 0x01, /* Input (Constant), */
88 0x09, 0x31, /* Usage (Y), */
89 0x81, 0x02, /* Input (Variable), */
90 0x09, 0x35, /* Usage (Rz), */
91 0x81, 0x02, /* Input (Variable), */
92 0x81, 0x01, /* Input (Constant), */
93 0xC0, /* End Collection, */
94 0xA1, 0x02, /* Collection (Logical), */
95 0x09, 0x02, /* Usage (02h), */
96 0x95, 0x07, /* Report Count (7), */
97 0x91, 0x02, /* Output (Variable), */
98 0xC0, /* End Collection, */
99 0xC0 /* End Collection */
104 * Certain Logitech keyboards send in report #3 keys which are far
105 * above the logical maximum described in descriptor. This extends
106 * the original value of 0x28c of logical maximum to 0x104d
108 static __u8
*lg_report_fixup(struct hid_device
*hdev
, __u8
*rdesc
,
111 struct lg_drv_data
*drv_data
= hid_get_drvdata(hdev
);
113 if ((drv_data
->quirks
& LG_RDESC
) && *rsize
>= 90 && rdesc
[83] == 0x26 &&
114 rdesc
[84] == 0x8c && rdesc
[85] == 0x02) {
116 "fixing up Logitech keyboard report descriptor\n");
117 rdesc
[84] = rdesc
[89] = 0x4d;
118 rdesc
[85] = rdesc
[90] = 0x10;
120 if ((drv_data
->quirks
& LG_RDESC_REL_ABS
) && *rsize
>= 50 &&
121 rdesc
[32] == 0x81 && rdesc
[33] == 0x06 &&
122 rdesc
[49] == 0x81 && rdesc
[50] == 0x06) {
124 "fixing up rel/abs in Logitech report descriptor\n");
125 rdesc
[33] = rdesc
[50] = 0x02;
127 if ((drv_data
->quirks
& LG_FF4
) && *rsize
>= 101 &&
128 rdesc
[41] == 0x95 && rdesc
[42] == 0x0B &&
129 rdesc
[47] == 0x05 && rdesc
[48] == 0x09) {
130 hid_info(hdev
, "fixing up Logitech Speed Force Wireless button descriptor\n");
137 switch (hdev
->product
) {
138 case USB_DEVICE_ID_LOGITECH_DFP_WHEEL
:
139 if (*rsize
== DFP_RDESC_ORIG_SIZE
) {
141 "fixing up Logitech Driving Force Pro report descriptor\n");
142 rdesc
= dfp_rdesc_fixed
;
143 *rsize
= sizeof(dfp_rdesc_fixed
);
151 #define lg_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
154 static int lg_ultrax_remote_mapping(struct hid_input
*hi
,
155 struct hid_usage
*usage
, unsigned long **bit
, int *max
)
157 if ((usage
->hid
& HID_USAGE_PAGE
) != HID_UP_LOGIVENDOR
)
160 set_bit(EV_REP
, hi
->input
->evbit
);
161 switch (usage
->hid
& HID_USAGE
) {
162 /* Reported on Logitech Ultra X Media Remote */
163 case 0x004: lg_map_key_clear(KEY_AGAIN
); break;
164 case 0x00d: lg_map_key_clear(KEY_HOME
); break;
165 case 0x024: lg_map_key_clear(KEY_SHUFFLE
); break;
166 case 0x025: lg_map_key_clear(KEY_TV
); break;
167 case 0x026: lg_map_key_clear(KEY_MENU
); break;
168 case 0x031: lg_map_key_clear(KEY_AUDIO
); break;
169 case 0x032: lg_map_key_clear(KEY_TEXT
); break;
170 case 0x033: lg_map_key_clear(KEY_LAST
); break;
171 case 0x047: lg_map_key_clear(KEY_MP3
); break;
172 case 0x048: lg_map_key_clear(KEY_DVD
); break;
173 case 0x049: lg_map_key_clear(KEY_MEDIA
); break;
174 case 0x04a: lg_map_key_clear(KEY_VIDEO
); break;
175 case 0x04b: lg_map_key_clear(KEY_ANGLE
); break;
176 case 0x04c: lg_map_key_clear(KEY_LANGUAGE
); break;
177 case 0x04d: lg_map_key_clear(KEY_SUBTITLE
); break;
178 case 0x051: lg_map_key_clear(KEY_RED
); break;
179 case 0x052: lg_map_key_clear(KEY_CLOSE
); break;
187 static int lg_dinovo_mapping(struct hid_input
*hi
, struct hid_usage
*usage
,
188 unsigned long **bit
, int *max
)
190 if ((usage
->hid
& HID_USAGE_PAGE
) != HID_UP_LOGIVENDOR
)
193 switch (usage
->hid
& HID_USAGE
) {
195 case 0x00d: lg_map_key_clear(KEY_MEDIA
); break;
203 static int lg_wireless_mapping(struct hid_input
*hi
, struct hid_usage
*usage
,
204 unsigned long **bit
, int *max
)
206 if ((usage
->hid
& HID_USAGE_PAGE
) != HID_UP_CONSUMER
)
209 switch (usage
->hid
& HID_USAGE
) {
210 case 0x1001: lg_map_key_clear(KEY_MESSENGER
); break;
211 case 0x1003: lg_map_key_clear(KEY_SOUND
); break;
212 case 0x1004: lg_map_key_clear(KEY_VIDEO
); break;
213 case 0x1005: lg_map_key_clear(KEY_AUDIO
); break;
214 case 0x100a: lg_map_key_clear(KEY_DOCUMENTS
); break;
215 /* The following two entries are Playlist 1 and 2 on the MX3200 */
216 case 0x100f: lg_map_key_clear(KEY_FN_1
); break;
217 case 0x1010: lg_map_key_clear(KEY_FN_2
); break;
218 case 0x1011: lg_map_key_clear(KEY_PREVIOUSSONG
); break;
219 case 0x1012: lg_map_key_clear(KEY_NEXTSONG
); break;
220 case 0x1013: lg_map_key_clear(KEY_CAMERA
); break;
221 case 0x1014: lg_map_key_clear(KEY_MESSENGER
); break;
222 case 0x1015: lg_map_key_clear(KEY_RECORD
); break;
223 case 0x1016: lg_map_key_clear(KEY_PLAYER
); break;
224 case 0x1017: lg_map_key_clear(KEY_EJECTCD
); break;
225 case 0x1018: lg_map_key_clear(KEY_MEDIA
); break;
226 case 0x1019: lg_map_key_clear(KEY_PROG1
); break;
227 case 0x101a: lg_map_key_clear(KEY_PROG2
); break;
228 case 0x101b: lg_map_key_clear(KEY_PROG3
); break;
229 case 0x101c: lg_map_key_clear(KEY_CYCLEWINDOWS
); break;
230 case 0x101f: lg_map_key_clear(KEY_ZOOMIN
); break;
231 case 0x1020: lg_map_key_clear(KEY_ZOOMOUT
); break;
232 case 0x1021: lg_map_key_clear(KEY_ZOOMRESET
); break;
233 case 0x1023: lg_map_key_clear(KEY_CLOSE
); break;
234 case 0x1027: lg_map_key_clear(KEY_MENU
); break;
235 /* this one is marked as 'Rotate' */
236 case 0x1028: lg_map_key_clear(KEY_ANGLE
); break;
237 case 0x1029: lg_map_key_clear(KEY_SHUFFLE
); break;
238 case 0x102a: lg_map_key_clear(KEY_BACK
); break;
239 case 0x102b: lg_map_key_clear(KEY_CYCLEWINDOWS
); break;
240 case 0x102d: lg_map_key_clear(KEY_WWW
); break;
241 /* The following two are 'Start/answer call' and 'End/reject call'
243 case 0x1031: lg_map_key_clear(KEY_OK
); break;
244 case 0x1032: lg_map_key_clear(KEY_CANCEL
); break;
245 case 0x1041: lg_map_key_clear(KEY_BATTERY
); break;
246 case 0x1042: lg_map_key_clear(KEY_WORDPROCESSOR
); break;
247 case 0x1043: lg_map_key_clear(KEY_SPREADSHEET
); break;
248 case 0x1044: lg_map_key_clear(KEY_PRESENTATION
); break;
249 case 0x1045: lg_map_key_clear(KEY_UNDO
); break;
250 case 0x1046: lg_map_key_clear(KEY_REDO
); break;
251 case 0x1047: lg_map_key_clear(KEY_PRINT
); break;
252 case 0x1048: lg_map_key_clear(KEY_SAVE
); break;
253 case 0x1049: lg_map_key_clear(KEY_PROG1
); break;
254 case 0x104a: lg_map_key_clear(KEY_PROG2
); break;
255 case 0x104b: lg_map_key_clear(KEY_PROG3
); break;
256 case 0x104c: lg_map_key_clear(KEY_PROG4
); break;
264 static int lg_input_mapping(struct hid_device
*hdev
, struct hid_input
*hi
,
265 struct hid_field
*field
, struct hid_usage
*usage
,
266 unsigned long **bit
, int *max
)
268 /* extended mapping for certain Logitech hardware (Logitech cordless
270 static const u8 e_keymap
[] = {
271 0,216, 0,213,175,156, 0, 0, 0, 0,
272 144, 0, 0, 0, 0, 0, 0, 0, 0,212,
273 174,167,152,161,112, 0, 0, 0,154, 0,
274 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
275 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
276 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
277 0, 0, 0, 0, 0,183,184,185,186,187,
278 188,189,190,191,192,193,194, 0, 0, 0
280 struct lg_drv_data
*drv_data
= hid_get_drvdata(hdev
);
281 unsigned int hid
= usage
->hid
;
283 if (hdev
->product
== USB_DEVICE_ID_LOGITECH_RECEIVER
&&
284 lg_ultrax_remote_mapping(hi
, usage
, bit
, max
))
287 if (hdev
->product
== USB_DEVICE_ID_DINOVO_MINI
&&
288 lg_dinovo_mapping(hi
, usage
, bit
, max
))
291 if ((drv_data
->quirks
& LG_WIRELESS
) && lg_wireless_mapping(hi
, usage
, bit
, max
))
294 if ((hid
& HID_USAGE_PAGE
) != HID_UP_BUTTON
)
299 /* Special handling for Logitech Cordless Desktop */
300 if (field
->application
== HID_GD_MOUSE
) {
301 if ((drv_data
->quirks
& LG_IGNORE_DOUBLED_WHEEL
) &&
302 (hid
== 7 || hid
== 8))
305 if ((drv_data
->quirks
& LG_EXPANDED_KEYMAP
) &&
306 hid
< ARRAY_SIZE(e_keymap
) &&
307 e_keymap
[hid
] != 0) {
308 hid_map_usage(hi
, usage
, bit
, max
, EV_KEY
,
317 static int lg_input_mapped(struct hid_device
*hdev
, struct hid_input
*hi
,
318 struct hid_field
*field
, struct hid_usage
*usage
,
319 unsigned long **bit
, int *max
)
321 struct lg_drv_data
*drv_data
= hid_get_drvdata(hdev
);
323 if ((drv_data
->quirks
& LG_BAD_RELATIVE_KEYS
) && usage
->type
== EV_KEY
&&
324 (field
->flags
& HID_MAIN_ITEM_RELATIVE
))
325 field
->flags
&= ~HID_MAIN_ITEM_RELATIVE
;
327 if ((drv_data
->quirks
& LG_DUPLICATE_USAGES
) && (usage
->type
== EV_KEY
||
328 usage
->type
== EV_REL
|| usage
->type
== EV_ABS
))
329 clear_bit(usage
->code
, *bit
);
334 static int lg_event(struct hid_device
*hdev
, struct hid_field
*field
,
335 struct hid_usage
*usage
, __s32 value
)
337 struct lg_drv_data
*drv_data
= hid_get_drvdata(hdev
);
339 if ((drv_data
->quirks
& LG_INVERT_HWHEEL
) && usage
->code
== REL_HWHEEL
) {
340 input_event(field
->hidinput
->input
, usage
->type
, usage
->code
,
344 if (drv_data
->quirks
& LG_FF4
) {
345 return lg4ff_adjust_input_event(hdev
, field
, usage
, value
, drv_data
);
351 static int lg_probe(struct hid_device
*hdev
, const struct hid_device_id
*id
)
353 unsigned int connect_mask
= HID_CONNECT_DEFAULT
;
354 struct lg_drv_data
*drv_data
;
357 drv_data
= kzalloc(sizeof(struct lg_drv_data
), GFP_KERNEL
);
359 hid_err(hdev
, "Insufficient memory, cannot allocate driver data\n");
362 drv_data
->quirks
= id
->driver_data
;
364 hid_set_drvdata(hdev
, (void *)drv_data
);
366 if (drv_data
->quirks
& LG_NOGET
)
367 hdev
->quirks
|= HID_QUIRK_NOGET
;
369 ret
= hid_parse(hdev
);
371 hid_err(hdev
, "parse failed\n");
375 if (drv_data
->quirks
& (LG_FF
| LG_FF2
| LG_FF3
| LG_FF4
))
376 connect_mask
&= ~HID_CONNECT_FF
;
378 ret
= hid_hw_start(hdev
, connect_mask
);
380 hid_err(hdev
, "hw start failed\n");
384 /* Setup wireless link with Logitech Wii wheel */
385 if (hdev
->product
== USB_DEVICE_ID_LOGITECH_WII_WHEEL
) {
386 unsigned char buf
[] = { 0x00, 0xAF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
388 ret
= hdev
->hid_output_raw_report(hdev
, buf
, sizeof(buf
), HID_FEATURE_REPORT
);
391 /* insert a little delay of 10 jiffies ~ 40ms */
392 wait_queue_head_t wait
;
393 init_waitqueue_head (&wait
);
394 wait_event_interruptible_timeout(wait
, 0, 10);
396 /* Select random Address */
398 get_random_bytes(&buf
[2], 2);
400 ret
= hdev
->hid_output_raw_report(hdev
, buf
, sizeof(buf
), HID_FEATURE_REPORT
);
404 if (drv_data
->quirks
& LG_FF
)
406 if (drv_data
->quirks
& LG_FF2
)
408 if (drv_data
->quirks
& LG_FF3
)
410 if (drv_data
->quirks
& LG_FF4
)
419 static void lg_remove(struct hid_device
*hdev
)
421 struct lg_drv_data
*drv_data
= hid_get_drvdata(hdev
);
422 if (drv_data
->quirks
& LG_FF4
)
429 static const struct hid_device_id lg_devices
[] = {
430 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_MX3000_RECEIVER
),
431 .driver_data
= LG_RDESC
| LG_WIRELESS
},
432 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_S510_RECEIVER
),
433 .driver_data
= LG_RDESC
| LG_WIRELESS
},
434 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_S510_RECEIVER_2
),
435 .driver_data
= LG_RDESC
| LG_WIRELESS
},
437 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_RECEIVER
),
438 .driver_data
= LG_BAD_RELATIVE_KEYS
},
440 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_DINOVO_DESKTOP
),
441 .driver_data
= LG_DUPLICATE_USAGES
},
442 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_DINOVO_EDGE
),
443 .driver_data
= LG_DUPLICATE_USAGES
},
444 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_DINOVO_MINI
),
445 .driver_data
= LG_DUPLICATE_USAGES
},
447 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_ELITE_KBD
),
448 .driver_data
= LG_IGNORE_DOUBLED_WHEEL
| LG_EXPANDED_KEYMAP
},
449 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500
),
450 .driver_data
= LG_IGNORE_DOUBLED_WHEEL
| LG_EXPANDED_KEYMAP
},
452 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_EXTREME_3D
),
453 .driver_data
= LG_NOGET
},
454 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_WHEEL
),
455 .driver_data
= LG_NOGET
| LG_FF4
},
457 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD
),
458 .driver_data
= LG_FF2
},
459 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_RUMBLEPAD
),
460 .driver_data
= LG_FF
},
461 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2
),
462 .driver_data
= LG_FF
},
463 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D
),
464 .driver_data
= LG_FF
},
465 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO
),
466 .driver_data
= LG_FF
},
467 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL
),
468 .driver_data
= LG_FF4
},
469 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2
),
470 .driver_data
= LG_FF4
},
471 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_G25_WHEEL
),
472 .driver_data
= LG_FF4
},
473 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL
),
474 .driver_data
= LG_FF4
},
475 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_G27_WHEEL
),
476 .driver_data
= LG_FF4
},
477 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_DFP_WHEEL
),
478 .driver_data
= LG_NOGET
| LG_FF4
},
479 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_WII_WHEEL
),
480 .driver_data
= LG_FF4
},
481 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG
),
482 .driver_data
= LG_FF
},
483 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2
),
484 .driver_data
= LG_FF2
},
485 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940
),
486 .driver_data
= LG_FF3
},
487 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_SPACENAVIGATOR
),
488 .driver_data
= LG_RDESC_REL_ABS
},
489 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_SPACETRAVELLER
),
490 .driver_data
= LG_RDESC_REL_ABS
},
494 MODULE_DEVICE_TABLE(hid
, lg_devices
);
496 static struct hid_driver lg_driver
= {
498 .id_table
= lg_devices
,
499 .report_fixup
= lg_report_fixup
,
500 .input_mapping
= lg_input_mapping
,
501 .input_mapped
= lg_input_mapped
,
507 static int __init
lg_init(void)
509 return hid_register_driver(&lg_driver
);
512 static void __exit
lg_exit(void)
514 hid_unregister_driver(&lg_driver
);
517 module_init(lg_init
);
518 module_exit(lg_exit
);
519 MODULE_LICENSE("GPL");