hid-lg.c revision 7362cd2286d2364cca6738b583668f64254fe04b
1/* 2 * HID driver for some logitech "special" devices 3 * 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) 2007 Paul Walmsley 9 * Copyright (c) 2008 Jiri Slaby 10 * Copyright (c) 2010 Hendrik Iben 11 */ 12 13/* 14 * This program is free software; you can redistribute it and/or modify it 15 * under the terms of the GNU General Public License as published by the Free 16 * Software Foundation; either version 2 of the License, or (at your option) 17 * any later version. 18 */ 19 20#include <linux/device.h> 21#include <linux/hid.h> 22#include <linux/module.h> 23#include <linux/random.h> 24#include <linux/sched.h> 25#include <linux/wait.h> 26 27#include "hid-ids.h" 28#include "hid-lg.h" 29 30#define LG_RDESC 0x001 31#define LG_BAD_RELATIVE_KEYS 0x002 32#define LG_DUPLICATE_USAGES 0x004 33#define LG_EXPANDED_KEYMAP 0x010 34#define LG_IGNORE_DOUBLED_WHEEL 0x020 35#define LG_WIRELESS 0x040 36#define LG_INVERT_HWHEEL 0x080 37#define LG_NOGET 0x100 38#define LG_FF 0x200 39#define LG_FF2 0x400 40#define LG_RDESC_REL_ABS 0x800 41#define LG_FF3 0x1000 42#define LG_FF4 0x2000 43 44/* Size of the original descriptor of the Driving Force Pro wheel */ 45#define DFP_RDESC_ORIG_SIZE 97 46 47/* Fixed report descriptor for Logitech Driving Force Pro wheel controller 48 * 49 * The original descriptor hides the separate throttle and brake axes in 50 * a custom vendor usage page, providing only a combined value as 51 * GenericDesktop.Y. 52 * This descriptor removes the combined Y axis and instead reports 53 * separate throttle (Y) and brake (RZ). 54 */ 55static __u8 dfp_rdesc_fixed[] = { 560x05, 0x01, /* Usage Page (Desktop), */ 570x09, 0x04, /* Usage (Joystik), */ 580xA1, 0x01, /* Collection (Application), */ 590xA1, 0x02, /* Collection (Logical), */ 600x95, 0x01, /* Report Count (1), */ 610x75, 0x0E, /* Report Size (14), */ 620x14, /* Logical Minimum (0), */ 630x26, 0xFF, 0x3F, /* Logical Maximum (16383), */ 640x34, /* Physical Minimum (0), */ 650x46, 0xFF, 0x3F, /* Physical Maximum (16383), */ 660x09, 0x30, /* Usage (X), */ 670x81, 0x02, /* Input (Variable), */ 680x95, 0x0E, /* Report Count (14), */ 690x75, 0x01, /* Report Size (1), */ 700x25, 0x01, /* Logical Maximum (1), */ 710x45, 0x01, /* Physical Maximum (1), */ 720x05, 0x09, /* Usage Page (Button), */ 730x19, 0x01, /* Usage Minimum (01h), */ 740x29, 0x0E, /* Usage Maximum (0Eh), */ 750x81, 0x02, /* Input (Variable), */ 760x05, 0x01, /* Usage Page (Desktop), */ 770x95, 0x01, /* Report Count (1), */ 780x75, 0x04, /* Report Size (4), */ 790x25, 0x07, /* Logical Maximum (7), */ 800x46, 0x3B, 0x01, /* Physical Maximum (315), */ 810x65, 0x14, /* Unit (Degrees), */ 820x09, 0x39, /* Usage (Hat Switch), */ 830x81, 0x42, /* Input (Variable, Nullstate), */ 840x65, 0x00, /* Unit, */ 850x26, 0xFF, 0x00, /* Logical Maximum (255), */ 860x46, 0xFF, 0x00, /* Physical Maximum (255), */ 870x75, 0x08, /* Report Size (8), */ 880x81, 0x01, /* Input (Constant), */ 890x09, 0x31, /* Usage (Y), */ 900x81, 0x02, /* Input (Variable), */ 910x09, 0x35, /* Usage (Rz), */ 920x81, 0x02, /* Input (Variable), */ 930x81, 0x01, /* Input (Constant), */ 940xC0, /* End Collection, */ 950xA1, 0x02, /* Collection (Logical), */ 960x09, 0x02, /* Usage (02h), */ 970x95, 0x07, /* Report Count (7), */ 980x91, 0x02, /* Output (Variable), */ 990xC0, /* End Collection, */ 1000xC0 /* End Collection */ 101}; 102 103 104/* 105 * Certain Logitech keyboards send in report #3 keys which are far 106 * above the logical maximum described in descriptor. This extends 107 * the original value of 0x28c of logical maximum to 0x104d 108 */ 109static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc, 110 unsigned int *rsize) 111{ 112 unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); 113 114 if ((quirks & LG_RDESC) && *rsize >= 90 && rdesc[83] == 0x26 && 115 rdesc[84] == 0x8c && rdesc[85] == 0x02) { 116 hid_info(hdev, 117 "fixing up Logitech keyboard report descriptor\n"); 118 rdesc[84] = rdesc[89] = 0x4d; 119 rdesc[85] = rdesc[90] = 0x10; 120 } 121 if ((quirks & LG_RDESC_REL_ABS) && *rsize >= 50 && 122 rdesc[32] == 0x81 && rdesc[33] == 0x06 && 123 rdesc[49] == 0x81 && rdesc[50] == 0x06) { 124 hid_info(hdev, 125 "fixing up rel/abs in Logitech report descriptor\n"); 126 rdesc[33] = rdesc[50] = 0x02; 127 } 128 if ((quirks & LG_FF4) && *rsize >= 101 && 129 rdesc[41] == 0x95 && rdesc[42] == 0x0B && 130 rdesc[47] == 0x05 && rdesc[48] == 0x09) { 131 hid_info(hdev, "fixing up Logitech Speed Force Wireless button descriptor\n"); 132 rdesc[41] = 0x05; 133 rdesc[42] = 0x09; 134 rdesc[47] = 0x95; 135 rdesc[48] = 0x0B; 136 } 137 138 switch (hdev->product) { 139 case USB_DEVICE_ID_LOGITECH_DFP_WHEEL: 140 if (*rsize == DFP_RDESC_ORIG_SIZE) { 141 hid_info(hdev, 142 "fixing up Logitech Driving Force Pro report descriptor\n"); 143 rdesc = dfp_rdesc_fixed; 144 *rsize = sizeof(dfp_rdesc_fixed); 145 } 146 break; 147 } 148 149 return rdesc; 150} 151 152#define lg_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ 153 EV_KEY, (c)) 154 155static int lg_ultrax_remote_mapping(struct hid_input *hi, 156 struct hid_usage *usage, unsigned long **bit, int *max) 157{ 158 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR) 159 return 0; 160 161 set_bit(EV_REP, hi->input->evbit); 162 switch (usage->hid & HID_USAGE) { 163 /* Reported on Logitech Ultra X Media Remote */ 164 case 0x004: lg_map_key_clear(KEY_AGAIN); break; 165 case 0x00d: lg_map_key_clear(KEY_HOME); break; 166 case 0x024: lg_map_key_clear(KEY_SHUFFLE); break; 167 case 0x025: lg_map_key_clear(KEY_TV); break; 168 case 0x026: lg_map_key_clear(KEY_MENU); break; 169 case 0x031: lg_map_key_clear(KEY_AUDIO); break; 170 case 0x032: lg_map_key_clear(KEY_TEXT); break; 171 case 0x033: lg_map_key_clear(KEY_LAST); break; 172 case 0x047: lg_map_key_clear(KEY_MP3); break; 173 case 0x048: lg_map_key_clear(KEY_DVD); break; 174 case 0x049: lg_map_key_clear(KEY_MEDIA); break; 175 case 0x04a: lg_map_key_clear(KEY_VIDEO); break; 176 case 0x04b: lg_map_key_clear(KEY_ANGLE); break; 177 case 0x04c: lg_map_key_clear(KEY_LANGUAGE); break; 178 case 0x04d: lg_map_key_clear(KEY_SUBTITLE); break; 179 case 0x051: lg_map_key_clear(KEY_RED); break; 180 case 0x052: lg_map_key_clear(KEY_CLOSE); break; 181 182 default: 183 return 0; 184 } 185 return 1; 186} 187 188static int lg_dinovo_mapping(struct hid_input *hi, struct hid_usage *usage, 189 unsigned long **bit, int *max) 190{ 191 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR) 192 return 0; 193 194 switch (usage->hid & HID_USAGE) { 195 196 case 0x00d: lg_map_key_clear(KEY_MEDIA); break; 197 default: 198 return 0; 199 200 } 201 return 1; 202} 203 204static int lg_wireless_mapping(struct hid_input *hi, struct hid_usage *usage, 205 unsigned long **bit, int *max) 206{ 207 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) 208 return 0; 209 210 switch (usage->hid & HID_USAGE) { 211 case 0x1001: lg_map_key_clear(KEY_MESSENGER); break; 212 case 0x1003: lg_map_key_clear(KEY_SOUND); break; 213 case 0x1004: lg_map_key_clear(KEY_VIDEO); break; 214 case 0x1005: lg_map_key_clear(KEY_AUDIO); break; 215 case 0x100a: lg_map_key_clear(KEY_DOCUMENTS); break; 216 /* The following two entries are Playlist 1 and 2 on the MX3200 */ 217 case 0x100f: lg_map_key_clear(KEY_FN_1); break; 218 case 0x1010: lg_map_key_clear(KEY_FN_2); break; 219 case 0x1011: lg_map_key_clear(KEY_PREVIOUSSONG); break; 220 case 0x1012: lg_map_key_clear(KEY_NEXTSONG); break; 221 case 0x1013: lg_map_key_clear(KEY_CAMERA); break; 222 case 0x1014: lg_map_key_clear(KEY_MESSENGER); break; 223 case 0x1015: lg_map_key_clear(KEY_RECORD); break; 224 case 0x1016: lg_map_key_clear(KEY_PLAYER); break; 225 case 0x1017: lg_map_key_clear(KEY_EJECTCD); break; 226 case 0x1018: lg_map_key_clear(KEY_MEDIA); break; 227 case 0x1019: lg_map_key_clear(KEY_PROG1); break; 228 case 0x101a: lg_map_key_clear(KEY_PROG2); break; 229 case 0x101b: lg_map_key_clear(KEY_PROG3); break; 230 case 0x101c: lg_map_key_clear(KEY_CYCLEWINDOWS); break; 231 case 0x101f: lg_map_key_clear(KEY_ZOOMIN); break; 232 case 0x1020: lg_map_key_clear(KEY_ZOOMOUT); break; 233 case 0x1021: lg_map_key_clear(KEY_ZOOMRESET); break; 234 case 0x1023: lg_map_key_clear(KEY_CLOSE); break; 235 case 0x1027: lg_map_key_clear(KEY_MENU); break; 236 /* this one is marked as 'Rotate' */ 237 case 0x1028: lg_map_key_clear(KEY_ANGLE); break; 238 case 0x1029: lg_map_key_clear(KEY_SHUFFLE); break; 239 case 0x102a: lg_map_key_clear(KEY_BACK); break; 240 case 0x102b: lg_map_key_clear(KEY_CYCLEWINDOWS); break; 241 case 0x102d: lg_map_key_clear(KEY_WWW); break; 242 /* The following two are 'Start/answer call' and 'End/reject call' 243 on the MX3200 */ 244 case 0x1031: lg_map_key_clear(KEY_OK); break; 245 case 0x1032: lg_map_key_clear(KEY_CANCEL); break; 246 case 0x1041: lg_map_key_clear(KEY_BATTERY); break; 247 case 0x1042: lg_map_key_clear(KEY_WORDPROCESSOR); break; 248 case 0x1043: lg_map_key_clear(KEY_SPREADSHEET); break; 249 case 0x1044: lg_map_key_clear(KEY_PRESENTATION); break; 250 case 0x1045: lg_map_key_clear(KEY_UNDO); break; 251 case 0x1046: lg_map_key_clear(KEY_REDO); break; 252 case 0x1047: lg_map_key_clear(KEY_PRINT); break; 253 case 0x1048: lg_map_key_clear(KEY_SAVE); break; 254 case 0x1049: lg_map_key_clear(KEY_PROG1); break; 255 case 0x104a: lg_map_key_clear(KEY_PROG2); break; 256 case 0x104b: lg_map_key_clear(KEY_PROG3); break; 257 case 0x104c: lg_map_key_clear(KEY_PROG4); break; 258 259 default: 260 return 0; 261 } 262 return 1; 263} 264 265static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi, 266 struct hid_field *field, struct hid_usage *usage, 267 unsigned long **bit, int *max) 268{ 269 /* extended mapping for certain Logitech hardware (Logitech cordless 270 desktop LX500) */ 271 static const u8 e_keymap[] = { 272 0,216, 0,213,175,156, 0, 0, 0, 0, 273 144, 0, 0, 0, 0, 0, 0, 0, 0,212, 274 174,167,152,161,112, 0, 0, 0,154, 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, 0, 0, 0, 0, 0, 278 0, 0, 0, 0, 0,183,184,185,186,187, 279 188,189,190,191,192,193,194, 0, 0, 0 280 }; 281 unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); 282 unsigned int hid = usage->hid; 283 284 if (hdev->product == USB_DEVICE_ID_LOGITECH_RECEIVER && 285 lg_ultrax_remote_mapping(hi, usage, bit, max)) 286 return 1; 287 288 if (hdev->product == USB_DEVICE_ID_DINOVO_MINI && 289 lg_dinovo_mapping(hi, usage, bit, max)) 290 return 1; 291 292 if ((quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max)) 293 return 1; 294 295 if ((hid & HID_USAGE_PAGE) != HID_UP_BUTTON) 296 return 0; 297 298 hid &= HID_USAGE; 299 300 /* Special handling for Logitech Cordless Desktop */ 301 if (field->application == HID_GD_MOUSE) { 302 if ((quirks & LG_IGNORE_DOUBLED_WHEEL) && 303 (hid == 7 || hid == 8)) 304 return -1; 305 } else { 306 if ((quirks & LG_EXPANDED_KEYMAP) && 307 hid < ARRAY_SIZE(e_keymap) && 308 e_keymap[hid] != 0) { 309 hid_map_usage(hi, usage, bit, max, EV_KEY, 310 e_keymap[hid]); 311 return 1; 312 } 313 } 314 315 return 0; 316} 317 318static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi, 319 struct hid_field *field, struct hid_usage *usage, 320 unsigned long **bit, int *max) 321{ 322 unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); 323 324 if ((quirks & LG_BAD_RELATIVE_KEYS) && usage->type == EV_KEY && 325 (field->flags & HID_MAIN_ITEM_RELATIVE)) 326 field->flags &= ~HID_MAIN_ITEM_RELATIVE; 327 328 if ((quirks & LG_DUPLICATE_USAGES) && (usage->type == EV_KEY || 329 usage->type == EV_REL || usage->type == EV_ABS)) 330 clear_bit(usage->code, *bit); 331 332 return 0; 333} 334 335static int lg_event(struct hid_device *hdev, struct hid_field *field, 336 struct hid_usage *usage, __s32 value) 337{ 338 unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); 339 340 if ((quirks & LG_INVERT_HWHEEL) && usage->code == REL_HWHEEL) { 341 input_event(field->hidinput->input, usage->type, usage->code, 342 -value); 343 return 1; 344 } 345 346 return 0; 347} 348 349static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id) 350{ 351 unsigned long quirks = id->driver_data; 352 unsigned int connect_mask = HID_CONNECT_DEFAULT; 353 int ret; 354 355 hid_set_drvdata(hdev, (void *)quirks); 356 357 if (quirks & LG_NOGET) 358 hdev->quirks |= HID_QUIRK_NOGET; 359 360 ret = hid_parse(hdev); 361 if (ret) { 362 hid_err(hdev, "parse failed\n"); 363 goto err_free; 364 } 365 366 if (quirks & (LG_FF | LG_FF2 | LG_FF3 | LG_FF4)) 367 connect_mask &= ~HID_CONNECT_FF; 368 369 ret = hid_hw_start(hdev, connect_mask); 370 if (ret) { 371 hid_err(hdev, "hw start failed\n"); 372 goto err_free; 373 } 374 375 /* Setup wireless link with Logitech Wii wheel */ 376 if(hdev->product == USB_DEVICE_ID_LOGITECH_WII_WHEEL) { 377 unsigned char buf[] = { 0x00, 0xAF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; 378 379 ret = hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT); 380 381 if (ret >= 0) { 382 /* insert a little delay of 10 jiffies ~ 40ms */ 383 wait_queue_head_t wait; 384 init_waitqueue_head (&wait); 385 wait_event_interruptible_timeout(wait, 0, 10); 386 387 /* Select random Address */ 388 buf[1] = 0xB2; 389 get_random_bytes(&buf[2], 2); 390 391 ret = hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT); 392 } 393 } 394 395 if (quirks & LG_FF) 396 lgff_init(hdev); 397 if (quirks & LG_FF2) 398 lg2ff_init(hdev); 399 if (quirks & LG_FF3) 400 lg3ff_init(hdev); 401 if (quirks & LG_FF4) 402 lg4ff_init(hdev); 403 404 return 0; 405err_free: 406 return ret; 407} 408 409static const struct hid_device_id lg_devices[] = { 410 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER), 411 .driver_data = LG_RDESC | LG_WIRELESS }, 412 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER), 413 .driver_data = LG_RDESC | LG_WIRELESS }, 414 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2), 415 .driver_data = LG_RDESC | LG_WIRELESS }, 416 417 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER), 418 .driver_data = LG_BAD_RELATIVE_KEYS }, 419 420 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP), 421 .driver_data = LG_DUPLICATE_USAGES }, 422 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE), 423 .driver_data = LG_DUPLICATE_USAGES }, 424 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI), 425 .driver_data = LG_DUPLICATE_USAGES }, 426 427 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD), 428 .driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP }, 429 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500), 430 .driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP }, 431 432 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D), 433 .driver_data = LG_NOGET }, 434 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL), 435 .driver_data = LG_NOGET | LG_FF4 }, 436 437 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD), 438 .driver_data = LG_FF2 }, 439 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD), 440 .driver_data = LG_FF }, 441 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2), 442 .driver_data = LG_FF }, 443 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D), 444 .driver_data = LG_FF }, 445 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO), 446 .driver_data = LG_FF }, 447 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL), 448 .driver_data = LG_FF4 }, 449 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2), 450 .driver_data = LG_FF4 }, 451 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL), 452 .driver_data = LG_FF4 }, 453 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL), 454 .driver_data = LG_FF4 }, 455 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL), 456 .driver_data = LG_FF4 }, 457 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL), 458 .driver_data = LG_NOGET | LG_FF4 }, 459 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL), 460 .driver_data = LG_FF4 }, 461 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ), 462 .driver_data = LG_FF }, 463 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2), 464 .driver_data = LG_FF2 }, 465 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940), 466 .driver_data = LG_FF3 }, 467 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR), 468 .driver_data = LG_RDESC_REL_ABS }, 469 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER), 470 .driver_data = LG_RDESC_REL_ABS }, 471 { } 472}; 473 474MODULE_DEVICE_TABLE(hid, lg_devices); 475 476static struct hid_driver lg_driver = { 477 .name = "logitech", 478 .id_table = lg_devices, 479 .report_fixup = lg_report_fixup, 480 .input_mapping = lg_input_mapping, 481 .input_mapped = lg_input_mapped, 482 .event = lg_event, 483 .probe = lg_probe, 484}; 485 486static int __init lg_init(void) 487{ 488 return hid_register_driver(&lg_driver); 489} 490 491static void __exit lg_exit(void) 492{ 493 hid_unregister_driver(&lg_driver); 494} 495 496module_init(lg_init); 497module_exit(lg_exit); 498MODULE_LICENSE("GPL"); 499