drivers/hid/hid-input.c

   1 /*
   2  *  Copyright (c) 2000-2001 Vojtech Pavlik
   3  *  Copyright (c) 2006-2007 Jiri Kosina
   4  *
   5  *  HID to Linux Input mapping
   6  */
   7
   8 /*
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  22  *
  23  * Should you need to contact me, the author, you can do so either by
  24  * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
  25  * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
  26  */
  27
  28 #include <linux/module.h>
  29 #include <linux/slab.h>
  30 #include <linux/kernel.h>
  31
  32 #include <linux/hid.h>
  33 #include <linux/hid-debug.h>
  34
  35 static int hid_apple_fnmode = 1;
  36 module_param_named(pb_fnmode, hid_apple_fnmode, int, 0644);
  37 MODULE_PARM_DESC(pb_fnmode,
  38                 "Mode of fn key on Apple keyboards (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
  39
  40 #define unk     KEY_UNKNOWN
  41
  42 static const unsigned char hid_keyboard[256] = {
  43           0,  0,  0,  0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
  44          50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44,  2,  3,
  45           4,  5,  6,  7,  8,  9, 10, 11, 28,  1, 14, 15, 57, 12, 13, 26,
  46          27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
  47          65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
  48         105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
  49          72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
  50         191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
  51         115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
  52         122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
  53         unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
  54         unk,unk,unk,unk,unk,unk,179,180,unk,unk,unk,unk,unk,unk,unk,unk,
  55         unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
  56         unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
  57          29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
  58         150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
  59 };
  60
  61 static const struct {
  62         __s32 x;
  63         __s32 y;
  64 }  hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
  65
  66 #define map_abs(c)      hid_map_usage(hidinput, usage, &bit, &max, EV_ABS, (c))
  67 #define map_rel(c)      hid_map_usage(hidinput, usage, &bit, &max, EV_REL, (c))
  68 #define map_key(c)      hid_map_usage(hidinput, usage, &bit, &max, EV_KEY, (c))
  69 #define map_led(c)      hid_map_usage(hidinput, usage, &bit, &max, EV_LED, (c))
  70
  71 #define map_abs_clear(c)        hid_map_usage_clear(hidinput, usage, &bit, \
  72                 &max, EV_ABS, (c))
  73 #define map_key_clear(c)        hid_map_usage_clear(hidinput, usage, &bit, \
  74                 &max, EV_KEY, (c))
  75
  76 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK
  77
  78 struct hidinput_key_translation {
  79         u16 from;
  80         u16 to;
  81         u8 flags;
  82 };
  83
  84 #define APPLE_FLAG_FKEY 0x01
  85
  86 static struct hidinput_key_translation apple_fn_keys[] = {
  87         { KEY_BACKSPACE, KEY_DELETE },
  88         { KEY_F1,       KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
  89         { KEY_F2,       KEY_BRIGHTNESSUP,   APPLE_FLAG_FKEY },
  90         { KEY_F3,       KEY_FN_F5,          APPLE_FLAG_FKEY }, /* Exposé */
  91         { KEY_F4,       KEY_FN_F4,          APPLE_FLAG_FKEY }, /* Dashboard */
  92         { KEY_F5,       KEY_KBDILLUMDOWN,   APPLE_FLAG_FKEY },
  93         { KEY_F6,       KEY_KBDILLUMUP,     APPLE_FLAG_FKEY },
  94         { KEY_F7,       KEY_PREVIOUSSONG,   APPLE_FLAG_FKEY },
  95         { KEY_F8,       KEY_PLAYPAUSE,      APPLE_FLAG_FKEY },
  96         { KEY_F9,       KEY_NEXTSONG,       APPLE_FLAG_FKEY },
  97         { KEY_F10,      KEY_MUTE,           APPLE_FLAG_FKEY },
  98         { KEY_F11,      KEY_VOLUMEDOWN,     APPLE_FLAG_FKEY },
  99         { KEY_F12,      KEY_VOLUMEUP,       APPLE_FLAG_FKEY },
 100         { KEY_UP,       KEY_PAGEUP },
 101         { KEY_DOWN,     KEY_PAGEDOWN },
 102         { KEY_LEFT,     KEY_HOME },
 103         { KEY_RIGHT,    KEY_END },
 104         { }
 105 };
 106
 107 static struct hidinput_key_translation powerbook_fn_keys[] = {
 108         { KEY_BACKSPACE, KEY_DELETE },
 109         { KEY_F1,       KEY_BRIGHTNESSDOWN,     APPLE_FLAG_FKEY },
 110         { KEY_F2,       KEY_BRIGHTNESSUP,       APPLE_FLAG_FKEY },
 111         { KEY_F3,       KEY_MUTE,               APPLE_FLAG_FKEY },
 112         { KEY_F4,       KEY_VOLUMEDOWN,         APPLE_FLAG_FKEY },
 113         { KEY_F5,       KEY_VOLUMEUP,           APPLE_FLAG_FKEY },
 114         { KEY_F6,       KEY_NUMLOCK,            APPLE_FLAG_FKEY },
 115         { KEY_F7,       KEY_SWITCHVIDEOMODE,    APPLE_FLAG_FKEY },
 116         { KEY_F8,       KEY_KBDILLUMTOGGLE,     APPLE_FLAG_FKEY },
 117         { KEY_F9,       KEY_KBDILLUMDOWN,       APPLE_FLAG_FKEY },
 118         { KEY_F10,      KEY_KBDILLUMUP,         APPLE_FLAG_FKEY },
 119         { KEY_UP,       KEY_PAGEUP },
 120         { KEY_DOWN,     KEY_PAGEDOWN },
 121         { KEY_LEFT,     KEY_HOME },
 122         { KEY_RIGHT,    KEY_END },
 123         { }
 124 };
 125
 126 static struct hidinput_key_translation powerbook_numlock_keys[] = {
 127         { KEY_J,        KEY_KP1 },
 128         { KEY_K,        KEY_KP2 },
 129         { KEY_L,        KEY_KP3 },
 130         { KEY_U,        KEY_KP4 },
 131         { KEY_I,        KEY_KP5 },
 132         { KEY_O,        KEY_KP6 },
 133         { KEY_7,        KEY_KP7 },
 134         { KEY_8,        KEY_KP8 },
 135         { KEY_9,        KEY_KP9 },
 136         { KEY_M,        KEY_KP0 },
 137         { KEY_DOT,      KEY_KPDOT },
 138         { KEY_SLASH,    KEY_KPPLUS },
 139         { KEY_SEMICOLON, KEY_KPMINUS },
 140         { KEY_P,        KEY_KPASTERISK },
 141         { KEY_MINUS,    KEY_KPEQUAL },
 142         { KEY_0,        KEY_KPSLASH },
 143         { KEY_F6,       KEY_NUMLOCK },
 144         { KEY_KPENTER,  KEY_KPENTER },
 145         { KEY_BACKSPACE, KEY_BACKSPACE },
 146         { }
 147 };
 148
 149 static struct hidinput_key_translation apple_iso_keyboard[] = {
 150         { KEY_GRAVE,    KEY_102ND },
 151         { KEY_102ND,    KEY_GRAVE },
 152         { }
 153 };
 154
 155 static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
 156 {
 157         struct hidinput_key_translation *trans;
 158
 159         /* Look for the translation */
 160         for (trans = table; trans->from; trans++)
 161                 if (trans->from == from)
 162                         return trans;
 163
 164         return NULL;
 165 }
 166
 167 int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
 168                 struct hid_usage *usage, __s32 value)
 169 {
 170         struct hidinput_key_translation *trans;
 171
 172         if (usage->code == KEY_FN) {
 173                 if (value) hid->quirks |=  HID_QUIRK_APPLE_FN_ON;
 174                 else       hid->quirks &= ~HID_QUIRK_APPLE_FN_ON;
 175
 176                 input_event(input, usage->type, usage->code, value);
 177
 178                 return 1;
 179         }
 180
 181         if (hid_apple_fnmode) {
 182                 int do_translate;
 183
 184                 trans = find_translation((hid->product < 0x220 ||
 185                                           hid->product >= 0x300) ?
 186                                          powerbook_fn_keys : apple_fn_keys,
 187                                          usage->code);
 188                 if (trans) {
 189                         if (test_bit(usage->code, hid->apple_pressed_fn))
 190                                 do_translate = 1;
 191                         else if (trans->flags & APPLE_FLAG_FKEY)
 192                                 do_translate =
 193                                         (hid_apple_fnmode == 2 &&  (hid->quirks & HID_QUIRK_APPLE_FN_ON)) ||
 194                                         (hid_apple_fnmode == 1 && !(hid->quirks & HID_QUIRK_APPLE_FN_ON));
 195                         else
 196                                 do_translate = (hid->quirks & HID_QUIRK_APPLE_FN_ON);
 197
 198                         if (do_translate) {
 199                                 if (value)
 200                                         set_bit(usage->code, hid->apple_pressed_fn);
 201                                 else
 202                                         clear_bit(usage->code, hid->apple_pressed_fn);
 203
 204                                 input_event(input, usage->type, trans->to, value);
 205
 206                                 return 1;
 207                         }
 208                 }
 209
 210                 if (hid->quirks & HID_QUIRK_APPLE_NUMLOCK_EMULATION && (
 211                                 test_bit(usage->code, hid->pb_pressed_numlock) ||
 212                                 test_bit(LED_NUML, input->led))) {
 213                         trans = find_translation(powerbook_numlock_keys, usage->code);
 214
 215                         if (trans) {
 216                                 if (value)
 217                                         set_bit(usage->code, hid->pb_pressed_numlock);
 218                                 else
 219                                         clear_bit(usage->code, hid->pb_pressed_numlock);
 220
 221                                 input_event(input, usage->type, trans->to, value);
 222                         }
 223
 224                         return 1;
 225                 }
 226         }
 227
 228         if (hid->quirks & HID_QUIRK_APPLE_ISO_KEYBOARD) {
 229                 trans = find_translation(apple_iso_keyboard, usage->code);
 230                 if (trans) {
 231                         input_event(input, usage->type, trans->to, value);
 232                         return 1;
 233                 }
 234         }
 235
 236         return 0;
 237 }
 238
 239 static void hidinput_apple_setup(struct input_dev *input)
 240 {
 241         struct hidinput_key_translation *trans;
 242
 243         set_bit(KEY_NUMLOCK, input->keybit);
 244
 245         /* Enable all needed keys */
 246         for (trans = apple_fn_keys; trans->from; trans++)
 247                 set_bit(trans->to, input->keybit);
 248
 249         for (trans = powerbook_fn_keys; trans->from; trans++)
 250                 set_bit(trans->to, input->keybit);
 251
 252         for (trans = powerbook_numlock_keys; trans->from; trans++)
 253                 set_bit(trans->to, input->keybit);
 254
 255         for (trans = apple_iso_keyboard; trans->from; trans++)
 256                 set_bit(trans->to, input->keybit);
 257
 258 }
 259 #else
 260 inline int hidinput_apple_event(struct hid_device *hid,
 261                                        struct input_dev *input,
 262                                        struct hid_usage *usage, __s32 value)
 263 {
 264         return 0;
 265 }
 266
 267 static inline void hidinput_apple_setup(struct input_dev *input)
 268 {
 269 }
 270 #endif
 271
 272 static inline int match_scancode(int code, int scancode)
 273 {
 274         if (scancode == 0)
 275                 return 1;
 276         return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode);
 277 }
 278
 279 static inline int match_keycode(int code, int keycode)
 280 {
 281         if (keycode == 0)
 282                 return 1;
 283         return (code == keycode);
 284 }
 285
 286 static struct hid_usage *hidinput_find_key(struct hid_device *hid,
 287                 int scancode, int keycode)
 288 {
 289         int i, j, k;
 290         struct hid_report *report;
 291         struct hid_usage *usage;
 292
 293         for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
 294                 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
 295                         for (i = 0; i < report->maxfield; i++) {
 296                                 for ( j = 0; j < report->field[i]->maxusage; j++) {
 297                                         usage = report->field[i]->usage + j;
 298                                         if (usage->type == EV_KEY &&
 299                                                 match_scancode(usage->hid, scancode) &&
 300                                                 match_keycode(usage->code, keycode))
 301                                                 return usage;
 302                                 }
 303                         }
 304                 }
 305         }
 306         return NULL;
 307 }
 308
 309 static int hidinput_getkeycode(struct input_dev *dev, int scancode,
 310                                 int *keycode)
 311 {
 312         struct hid_device *hid = input_get_drvdata(dev);
 313         struct hid_usage *usage;
 314
 315         usage = hidinput_find_key(hid, scancode, 0);
 316         if (usage) {
 317                 *keycode = usage->code;
 318                 return 0;
 319         }
 320         return -EINVAL;
 321 }
 322
 323 static int hidinput_setkeycode(struct input_dev *dev, int scancode,
 324                                 int keycode)
 325 {
 326         struct hid_device *hid = input_get_drvdata(dev);
 327         struct hid_usage *usage;
 328         int old_keycode;
 329
 330         if (keycode < 0 || keycode > KEY_MAX)
 331                 return -EINVAL;
 332
 333         usage = hidinput_find_key(hid, scancode, 0);
 334         if (usage) {
 335                 old_keycode = usage->code;
 336                 usage->code = keycode;
 337
 338                 clear_bit(old_keycode, dev->keybit);
 339                 set_bit(usage->code, dev->keybit);
 340                 dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode);
 341                 /* Set the keybit for the old keycode if the old keycode is used
 342                  * by another key */
 343                 if (hidinput_find_key (hid, 0, old_keycode))
 344                         set_bit(old_keycode, dev->keybit);
 345
 346                 return 0;
 347         }
 348
 349         return -EINVAL;
 350 }
 351
 352
 353 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
 354                                      struct hid_usage *usage)
 355 {
 356         struct input_dev *input = hidinput->input;
 357         struct hid_device *device = input_get_drvdata(input);
 358         int max = 0, code, ret;
 359         unsigned long *bit = NULL;
 360
 361         field->hidinput = hidinput;
 362
 363         dbg_hid("Mapping: ");
 364         hid_resolv_usage(usage->hid);
 365         dbg_hid_line(" ---> ");
 366
 367         if (field->flags & HID_MAIN_ITEM_CONSTANT)
 368                 goto ignore;
 369
 370         /* only LED usages are supported in output fields */
 371         if (field->report_type == HID_OUTPUT_REPORT &&
 372                         (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
 373                 dbg_hid_line(" [non-LED output field] ");
 374                 goto ignore;
 375         }
 376
 377         /* handle input mappings for quirky devices */
 378         ret = hidinput_mapping_quirks(usage, hidinput, &bit, &max);
 379         if (ret)
 380                 goto mapped;
 381
 382         if (device->driver->input_mapping) {
 383                 int ret = device->driver->input_mapping(device, hidinput, field,
 384                                 usage, &bit, &max);
 385                 if (ret > 0)
 386                         goto mapped;
 387                 if (ret < 0)
 388                         goto ignore;
 389         }
 390
 391         switch (usage->hid & HID_USAGE_PAGE) {
 392
 393                 case HID_UP_UNDEFINED:
 394                         goto ignore;
 395
 396                 case HID_UP_KEYBOARD:
 397
 398                         set_bit(EV_REP, input->evbit);
 399
 400                         if ((usage->hid & HID_USAGE) < 256) {
 401                                 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
 402                                 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
 403                         } else
 404                                 map_key(KEY_UNKNOWN);
 405
 406                         break;
 407
 408                 case HID_UP_BUTTON:
 409
 410                         code = ((usage->hid - 1) & 0xf);
 411
 412                         switch (field->application) {
 413                                 case HID_GD_MOUSE:
 414                                 case HID_GD_POINTER:  code += 0x110; break;
 415                                 case HID_GD_JOYSTICK: code += 0x120; break;
 416                                 case HID_GD_GAMEPAD:  code += 0x130; break;
 417                                 default:
 418                                         switch (field->physical) {
 419                                                 case HID_GD_MOUSE:
 420                                                 case HID_GD_POINTER:  code += 0x110; break;
 421                                                 case HID_GD_JOYSTICK: code += 0x120; break;
 422                                                 case HID_GD_GAMEPAD:  code += 0x130; break;
 423                                                 default:              code += 0x100;
 424                                         }
 425                         }
 426
 427                         map_key(code);
 428                         break;
 429
 430
 431                 case HID_UP_SIMULATION:
 432
 433                         switch (usage->hid & 0xffff) {
 434                                 case 0xba: map_abs(ABS_RUDDER);   break;
 435                                 case 0xbb: map_abs(ABS_THROTTLE); break;
 436                                 case 0xc4: map_abs(ABS_GAS);      break;
 437                                 case 0xc5: map_abs(ABS_BRAKE);    break;
 438                                 case 0xc8: map_abs(ABS_WHEEL);    break;
 439                                 default:   goto ignore;
 440                         }
 441                         break;
 442
 443                 case HID_UP_GENDESK:
 444
 445                         if ((usage->hid & 0xf0) == 0x80) {      /* SystemControl */
 446                                 switch (usage->hid & 0xf) {
 447                                         case 0x1: map_key_clear(KEY_POWER);  break;
 448                                         case 0x2: map_key_clear(KEY_SLEEP);  break;
 449                                         case 0x3: map_key_clear(KEY_WAKEUP); break;
 450                                         default: goto unknown;
 451                                 }
 452                                 break;
 453                         }
 454
 455                         if ((usage->hid & 0xf0) == 0x90) {      /* D-pad */
 456                                 switch (usage->hid) {
 457                                         case HID_GD_UP:    usage->hat_dir = 1; break;
 458                                         case HID_GD_DOWN:  usage->hat_dir = 5; break;
 459                                         case HID_GD_RIGHT: usage->hat_dir = 3; break;
 460                                         case HID_GD_LEFT:  usage->hat_dir = 7; break;
 461                                         default: goto unknown;
 462                                 }
 463                                 if (field->dpad) {
 464                                         map_abs(field->dpad);
 465                                         goto ignore;
 466                                 }
 467                                 map_abs(ABS_HAT0X);
 468                                 break;
 469                         }
 470
 471                         switch (usage->hid) {
 472
 473                                 /* These usage IDs map directly to the usage codes. */
 474                                 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
 475                                 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
 476                                 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
 477                                         if (field->flags & HID_MAIN_ITEM_RELATIVE)
 478                                                 map_rel(usage->hid & 0xf);
 479                                         else
 480                                                 map_abs(usage->hid & 0xf);
 481                                         break;
 482
 483                                 case HID_GD_HATSWITCH:
 484                                         usage->hat_min = field->logical_minimum;
 485                                         usage->hat_max = field->logical_maximum;
 486                                         map_abs(ABS_HAT0X);
 487                                         break;
 488
 489                                 case HID_GD_START:      map_key_clear(BTN_START);       break;
 490                                 case HID_GD_SELECT:     map_key_clear(BTN_SELECT);      break;
 491
 492                                 default: goto unknown;
 493                         }
 494
 495                         break;
 496
 497                 case HID_UP_LED:
 498
 499                         switch (usage->hid & 0xffff) {                        /* HID-Value:                   */
 500                                 case 0x01:  map_led (LED_NUML);     break;    /*   "Num Lock"                 */
 501                                 case 0x02:  map_led (LED_CAPSL);    break;    /*   "Caps Lock"                */
 502                                 case 0x03:  map_led (LED_SCROLLL);  break;    /*   "Scroll Lock"              */
 503                                 case 0x04:  map_led (LED_COMPOSE);  break;    /*   "Compose"                  */
 504                                 case 0x05:  map_led (LED_KANA);     break;    /*   "Kana"                     */
 505                                 case 0x27:  map_led (LED_SLEEP);    break;    /*   "Stand-By"                 */
 506                                 case 0x4c:  map_led (LED_SUSPEND);  break;    /*   "System Suspend"           */
 507                                 case 0x09:  map_led (LED_MUTE);     break;    /*   "Mute"                     */
 508                                 case 0x4b:  map_led (LED_MISC);     break;    /*   "Generic Indicator"        */
 509                                 case 0x19:  map_led (LED_MAIL);     break;    /*   "Message Waiting"          */
 510                                 case 0x4d:  map_led (LED_CHARGING); break;    /*   "External Power Connected" */
 511
 512                                 default: goto ignore;
 513                         }
 514                         break;
 515
 516                 case HID_UP_DIGITIZER:
 517
 518                         switch (usage->hid & 0xff) {
 519
 520                                 case 0x30: /* TipPressure */
 521                                         if (!test_bit(BTN_TOUCH, input->keybit)) {
 522                                                 device->quirks |= HID_QUIRK_NOTOUCH;
 523                                                 set_bit(EV_KEY, input->evbit);
 524                                                 set_bit(BTN_TOUCH, input->keybit);
 525                                         }
 526
 527                                         map_abs_clear(ABS_PRESSURE);
 528                                         break;
 529
 530                                 case 0x32: /* InRange */
 531                                         switch (field->physical & 0xff) {
 532                                                 case 0x21: map_key(BTN_TOOL_MOUSE); break;
 533                                                 case 0x22: map_key(BTN_TOOL_FINGER); break;
 534                                                 default: map_key(BTN_TOOL_PEN); break;
 535                                         }
 536                                         break;
 537
 538                                 case 0x3c: /* Invert */
 539                                         map_key_clear(BTN_TOOL_RUBBER);
 540                                         break;
 541
 542                                 case 0x33: /* Touch */
 543                                 case 0x42: /* TipSwitch */
 544                                 case 0x43: /* TipSwitch2 */
 545                                         device->quirks &= ~HID_QUIRK_NOTOUCH;
 546                                         map_key_clear(BTN_TOUCH);
 547                                         break;
 548
 549                                 case 0x44: /* BarrelSwitch */
 550                                         map_key_clear(BTN_STYLUS);
 551                                         break;
 552
 553                                 default:  goto unknown;
 554                         }
 555                         break;
 556
 557                 case HID_UP_CONSUMER:   /* USB HUT v1.1, pages 56-62 */
 558
 559                         switch (usage->hid & HID_USAGE) {
 560                                 case 0x000: goto ignore;
 561                                 case 0x034: map_key_clear(KEY_SLEEP);           break;
 562                                 case 0x036: map_key_clear(BTN_MISC);            break;
 563
 564                                 case 0x040: map_key_clear(KEY_MENU);            break;
 565                                 case 0x045: map_key_clear(KEY_RADIO);           break;
 566
 567                                 case 0x083: map_key_clear(KEY_LAST);            break;
 568                                 case 0x088: map_key_clear(KEY_PC);              break;
 569                                 case 0x089: map_key_clear(KEY_TV);              break;
 570                                 case 0x08a: map_key_clear(KEY_WWW);             break;
 571                                 case 0x08b: map_key_clear(KEY_DVD);             break;
 572                                 case 0x08c: map_key_clear(KEY_PHONE);           break;
 573                                 case 0x08d: map_key_clear(KEY_PROGRAM);         break;
 574                                 case 0x08e: map_key_clear(KEY_VIDEOPHONE);      break;
 575                                 case 0x08f: map_key_clear(KEY_GAMES);           break;
 576                                 case 0x090: map_key_clear(KEY_MEMO);            break;
 577                                 case 0x091: map_key_clear(KEY_CD);              break;
 578                                 case 0x092: map_key_clear(KEY_VCR);             break;
 579                                 case 0x093: map_key_clear(KEY_TUNER);           break;
 580                                 case 0x094: map_key_clear(KEY_EXIT);            break;
 581                                 case 0x095: map_key_clear(KEY_HELP);            break;
 582                                 case 0x096: map_key_clear(KEY_TAPE);            break;
 583                                 case 0x097: map_key_clear(KEY_TV2);             break;
 584                                 case 0x098: map_key_clear(KEY_SAT);             break;
 585                                 case 0x09a: map_key_clear(KEY_PVR);             break;
 586
 587                                 case 0x09c: map_key_clear(KEY_CHANNELUP);       break;
 588                                 case 0x09d: map_key_clear(KEY_CHANNELDOWN);     break;
 589                                 case 0x0a0: map_key_clear(KEY_VCR2);            break;
 590
 591                                 case 0x0b0: map_key_clear(KEY_PLAY);            break;
 592                                 case 0x0b1: map_key_clear(KEY_PAUSE);           break;
 593                                 case 0x0b2: map_key_clear(KEY_RECORD);          break;
 594                                 case 0x0b3: map_key_clear(KEY_FASTFORWARD);     break;
 595                                 case 0x0b4: map_key_clear(KEY_REWIND);          break;
 596                                 case 0x0b5: map_key_clear(KEY_NEXTSONG);        break;
 597                                 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG);    break;
 598                                 case 0x0b7: map_key_clear(KEY_STOPCD);          break;
 599                                 case 0x0b8: map_key_clear(KEY_EJECTCD);         break;
 600                                 case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT);    break;
 601
 602                                 case 0x0cd: map_key_clear(KEY_PLAYPAUSE);       break;
 603                                 case 0x0e0: map_abs_clear(ABS_VOLUME);          break;
 604                                 case 0x0e2: map_key_clear(KEY_MUTE);            break;
 605                                 case 0x0e5: map_key_clear(KEY_BASSBOOST);       break;
 606                                 case 0x0e9: map_key_clear(KEY_VOLUMEUP);        break;
 607                                 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN);      break;
 608
 609                                 case 0x182: map_key_clear(KEY_BOOKMARKS);       break;
 610                                 case 0x183: map_key_clear(KEY_CONFIG);          break;
 611                                 case 0x184: map_key_clear(KEY_WORDPROCESSOR);   break;
 612                                 case 0x185: map_key_clear(KEY_EDITOR);          break;
 613                                 case 0x186: map_key_clear(KEY_SPREADSHEET);     break;
 614                                 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR);  break;
 615                                 case 0x188: map_key_clear(KEY_PRESENTATION);    break;
 616                                 case 0x189: map_key_clear(KEY_DATABASE);        break;
 617                                 case 0x18a: map_key_clear(KEY_MAIL);            break;
 618                                 case 0x18b: map_key_clear(KEY_NEWS);            break;
 619                                 case 0x18c: map_key_clear(KEY_VOICEMAIL);       break;
 620                                 case 0x18d: map_key_clear(KEY_ADDRESSBOOK);     break;
 621                                 case 0x18e: map_key_clear(KEY_CALENDAR);        break;
 622                                 case 0x191: map_key_clear(KEY_FINANCE);         break;
 623                                 case 0x192: map_key_clear(KEY_CALC);            break;
 624                                 case 0x194: map_key_clear(KEY_FILE);            break;
 625                                 case 0x196: map_key_clear(KEY_WWW);             break;
 626                                 case 0x19c: map_key_clear(KEY_LOGOFF);          break;
 627                                 case 0x19e: map_key_clear(KEY_COFFEE);          break;
 628                                 case 0x1a6: map_key_clear(KEY_HELP);            break;
 629                                 case 0x1a7: map_key_clear(KEY_DOCUMENTS);       break;
 630                                 case 0x1ab: map_key_clear(KEY_SPELLCHECK);      break;
 631                                 case 0x1b6: map_key_clear(KEY_MEDIA);           break;
 632                                 case 0x1b7: map_key_clear(KEY_SOUND);           break;
 633                                 case 0x1bc: map_key_clear(KEY_MESSENGER);       break;
 634                                 case 0x1bd: map_key_clear(KEY_INFO);            break;
 635                                 case 0x201: map_key_clear(KEY_NEW);             break;
 636                                 case 0x202: map_key_clear(KEY_OPEN);            break;
 637                                 case 0x203: map_key_clear(KEY_CLOSE);           break;
 638                                 case 0x204: map_key_clear(KEY_EXIT);            break;
 639                                 case 0x207: map_key_clear(KEY_SAVE);            break;
 640                                 case 0x208: map_key_clear(KEY_PRINT);           break;
 641                                 case 0x209: map_key_clear(KEY_PROPS);           break;
 642                                 case 0x21a: map_key_clear(KEY_UNDO);            break;
 643                                 case 0x21b: map_key_clear(KEY_COPY);            break;
 644                                 case 0x21c: map_key_clear(KEY_CUT);             break;
 645                                 case 0x21d: map_key_clear(KEY_PASTE);           break;
 646                                 case 0x21f: map_key_clear(KEY_FIND);            break;
 647                                 case 0x221: map_key_clear(KEY_SEARCH);          break;
 648                                 case 0x222: map_key_clear(KEY_GOTO);            break;
 649                                 case 0x223: map_key_clear(KEY_HOMEPAGE);        break;
 650                                 case 0x224: map_key_clear(KEY_BACK);            break;
 651                                 case 0x225: map_key_clear(KEY_FORWARD);         break;
 652                                 case 0x226: map_key_clear(KEY_STOP);            break;
 653                                 case 0x227: map_key_clear(KEY_REFRESH);         break;
 654                                 case 0x22a: map_key_clear(KEY_BOOKMARKS);       break;
 655                                 case 0x22d: map_key_clear(KEY_ZOOMIN);          break;
 656                                 case 0x22e: map_key_clear(KEY_ZOOMOUT);         break;
 657                                 case 0x22f: map_key_clear(KEY_ZOOMRESET);       break;
 658                                 case 0x233: map_key_clear(KEY_SCROLLUP);        break;
 659                                 case 0x234: map_key_clear(KEY_SCROLLDOWN);      break;
 660                                 case 0x238: map_rel(REL_HWHEEL);                break;
 661                                 case 0x25f: map_key_clear(KEY_CANCEL);          break;
 662                                 case 0x279: map_key_clear(KEY_REDO);            break;
 663
 664                                 case 0x289: map_key_clear(KEY_REPLY);           break;
 665                                 case 0x28b: map_key_clear(KEY_FORWARDMAIL);     break;
 666                                 case 0x28c: map_key_clear(KEY_SEND);            break;
 667
 668                                 default:    goto ignore;
 669                         }
 670                         break;
 671
 672                 case HID_UP_HPVENDOR:   /* Reported on a Dutch layout HP5308 */
 673
 674                         set_bit(EV_REP, input->evbit);
 675                         switch (usage->hid & HID_USAGE) {
 676                                 case 0x021: map_key_clear(KEY_PRINT);           break;
 677                                 case 0x070: map_key_clear(KEY_HP);              break;
 678                                 case 0x071: map_key_clear(KEY_CAMERA);          break;
 679                                 case 0x072: map_key_clear(KEY_SOUND);           break;
 680                                 case 0x073: map_key_clear(KEY_QUESTION);        break;
 681                                 case 0x080: map_key_clear(KEY_EMAIL);           break;
 682                                 case 0x081: map_key_clear(KEY_CHAT);            break;
 683                                 case 0x082: map_key_clear(KEY_SEARCH);          break;
 684                                 case 0x083: map_key_clear(KEY_CONNECT);         break;
 685                                 case 0x084: map_key_clear(KEY_FINANCE);         break;
 686                                 case 0x085: map_key_clear(KEY_SPORT);           break;
 687                                 case 0x086: map_key_clear(KEY_SHOP);            break;
 688                                 default:    goto ignore;
 689                         }
 690                         break;
 691
 692                 case HID_UP_MSVENDOR:
 693
 694                         goto ignore;
 695
 696                 case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */
 697
 698                         set_bit(EV_REP, input->evbit);
 699                         switch(usage->hid & HID_USAGE) {
 700                                 case 0x003:
 701                                         /* The fn key on Apple USB keyboards */
 702                                         map_key_clear(KEY_FN);
 703                                         hidinput_apple_setup(input);
 704                                         break;
 705
 706                                 default:    goto ignore;
 707                         }
 708                         break;
 709
 710                 case HID_UP_LOGIVENDOR:
 711
 712                         goto ignore;
 713
 714                 case HID_UP_PID:
 715
 716                         switch(usage->hid & HID_USAGE) {
 717                                 case 0xa4: map_key_clear(BTN_DEAD);     break;
 718                                 default: goto ignore;
 719                         }
 720                         break;
 721
 722                 default:
 723                 unknown:
 724                         if (field->report_size == 1) {
 725                                 if (field->report->type == HID_OUTPUT_REPORT) {
 726                                         map_led(LED_MISC);
 727                                         break;
 728                                 }
 729                                 map_key(BTN_MISC);
 730                                 break;
 731                         }
 732                         if (field->flags & HID_MAIN_ITEM_RELATIVE) {
 733                                 map_rel(REL_MISC);
 734                                 break;
 735                         }
 736                         map_abs(ABS_MISC);
 737                         break;
 738         }
 739
 740 mapped:
 741         if (device->driver->input_mapped && device->driver->input_mapped(device,
 742                                 hidinput, field, usage, &bit, &max) < 0)
 743                 goto ignore;
 744
 745         if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
 746                 if (usage->hid == HID_GD_Z)
 747                         map_rel(REL_HWHEEL);
 748                 else if (usage->code == BTN_1)
 749                         map_key(BTN_2);
 750                 else if (usage->code == BTN_2)
 751                         map_key(BTN_1);
 752         }
 753
 754         if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5 |
 755                         HID_QUIRK_2WHEEL_MOUSE_HACK_B8)) && (usage->type == EV_REL) &&
 756                         (usage->code == REL_WHEEL))
 757                 set_bit(REL_HWHEEL, bit);
 758
 759         if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
 760                 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
 761                 goto ignore;
 762
 763         set_bit(usage->type, input->evbit);
 764
 765         while (usage->code <= max && test_and_set_bit(usage->code, bit))
 766                 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
 767
 768         if (usage->code > max)
 769                 goto ignore;
 770
 771
 772         if (usage->type == EV_ABS) {
 773
 774                 int a = field->logical_minimum;
 775                 int b = field->logical_maximum;
 776
 777                 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
 778                         a = field->logical_minimum = 0;
 779                         b = field->logical_maximum = 255;
 780                 }
 781
 782                 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
 783                         input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
 784                 else    input_set_abs_params(input, usage->code, a, b, 0, 0);
 785
 786         }
 787
 788         if (usage->type == EV_ABS &&
 789             (usage->hat_min < usage->hat_max || usage->hat_dir)) {
 790                 int i;
 791                 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
 792                         input_set_abs_params(input, i, -1, 1, 0, 0);
 793                         set_bit(i, input->absbit);
 794                 }
 795                 if (usage->hat_dir && !field->dpad)
 796                         field->dpad = usage->code;
 797         }
 798
 799         /* for those devices which produce Consumer volume usage as relative,
 800          * we emulate pressing volumeup/volumedown appropriate number of times
 801          * in hidinput_hid_event()
 802          */
 803         if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
 804                         (usage->code == ABS_VOLUME)) {
 805                 set_bit(KEY_VOLUMEUP, input->keybit);
 806                 set_bit(KEY_VOLUMEDOWN, input->keybit);
 807         }
 808
 809         if (usage->type == EV_KEY) {
 810                 set_bit(EV_MSC, input->evbit);
 811                 set_bit(MSC_SCAN, input->mscbit);
 812         }
 813
 814         hid_resolv_event(usage->type, usage->code);
 815
 816         dbg_hid_line("\n");
 817
 818         return;
 819
 820 ignore:
 821         dbg_hid_line("IGNORED\n");
 822         return;
 823 }
 824
 825 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
 826 {
 827         struct input_dev *input;
 828         unsigned *quirks = &hid->quirks;
 829
 830         if (!field->hidinput)
 831                 return;
 832
 833         input = field->hidinput->input;
 834
 835         if (!usage->type)
 836                 return;
 837
 838         /* handle input events for quirky devices */
 839         if (hidinput_event_quirks(hid, field, usage, value))
 840                 return;
 841
 842         if (usage->hat_min < usage->hat_max || usage->hat_dir) {
 843                 int hat_dir = usage->hat_dir;
 844                 if (!hat_dir)
 845                         hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
 846                 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
 847                 input_event(input, usage->type, usage->code    , hid_hat_to_axis[hat_dir].x);
 848                 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
 849                 return;
 850         }
 851
 852         if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
 853                 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
 854                 return;
 855         }
 856
 857         if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
 858                 if (value) {
 859                         input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
 860                         return;
 861                 }
 862                 input_event(input, usage->type, usage->code, 0);
 863                 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
 864                 return;
 865         }
 866
 867         if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
 868                 int a = field->logical_minimum;
 869                 int b = field->logical_maximum;
 870                 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
 871         }
 872
 873         if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
 874                 dbg_hid("Maximum Effects - %d\n",value);
 875                 return;
 876         }
 877
 878         if (usage->hid == (HID_UP_PID | 0x7fUL)) {
 879                 dbg_hid("PID Pool Report\n");
 880                 return;
 881         }
 882
 883         if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
 884                 return;
 885
 886         if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
 887                         (usage->code == ABS_VOLUME)) {
 888                 int count = abs(value);
 889                 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
 890                 int i;
 891
 892                 for (i = 0; i < count; i++) {
 893                         input_event(input, EV_KEY, direction, 1);
 894                         input_sync(input);
 895                         input_event(input, EV_KEY, direction, 0);
 896                         input_sync(input);
 897                 }
 898                 return;
 899         }
 900
 901         /* report the usage code as scancode if the key status has changed */
 902         if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
 903                 input_event(input, EV_MSC, MSC_SCAN, usage->hid);
 904
 905         input_event(input, usage->type, usage->code, value);
 906
 907         if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
 908                 input_event(input, usage->type, usage->code, 0);
 909 }
 910
 911 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
 912 {
 913         struct hid_input *hidinput;
 914
 915         list_for_each_entry(hidinput, &hid->inputs, list)
 916                 input_sync(hidinput->input);
 917 }
 918 EXPORT_SYMBOL_GPL(hidinput_report_event);
 919
 920 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
 921 {
 922         struct hid_report *report;
 923         int i, j;
 924
 925         list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
 926                 for (i = 0; i < report->maxfield; i++) {
 927                         *field = report->field[i];
 928                         for (j = 0; j < (*field)->maxusage; j++)
 929                                 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
 930                                         return j;
 931                 }
 932         }
 933         return -1;
 934 }
 935 EXPORT_SYMBOL_GPL(hidinput_find_field);
 936
 937 static int hidinput_open(struct input_dev *dev)
 938 {
 939         struct hid_device *hid = input_get_drvdata(dev);
 940
 941         return hid->ll_driver->open(hid);
 942 }
 943
 944 static void hidinput_close(struct input_dev *dev)
 945 {
 946         struct hid_device *hid = input_get_drvdata(dev);
 947
 948         hid->ll_driver->close(hid);
 949 }
 950
 951 /*
 952  * Register the input device; print a message.
 953  * Configure the input layer interface
 954  * Read all reports and initialize the absolute field values.
 955  */
 956
 957 int hidinput_connect(struct hid_device *hid)
 958 {
 959         struct hid_report *report;
 960         struct hid_input *hidinput = NULL;
 961         struct input_dev *input_dev;
 962         int i, j, k;
 963         int max_report_type = HID_OUTPUT_REPORT;
 964
 965         if (hid->quirks & HID_QUIRK_IGNORE_HIDINPUT)
 966                 return -1;
 967
 968         INIT_LIST_HEAD(&hid->inputs);
 969
 970         for (i = 0; i < hid->maxcollection; i++)
 971                 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
 972                     hid->collection[i].type == HID_COLLECTION_PHYSICAL)
 973                         if (IS_INPUT_APPLICATION(hid->collection[i].usage))
 974                                 break;
 975
 976         if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDINPUT) == 0)
 977                 return -1;
 978
 979         if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
 980                 max_report_type = HID_INPUT_REPORT;
 981
 982         for (k = HID_INPUT_REPORT; k <= max_report_type; k++)
 983                 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
 984
 985                         if (!report->maxfield)
 986                                 continue;
 987
 988                         if (!hidinput) {
 989                                 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
 990                                 input_dev = input_allocate_device();
 991                                 if (!hidinput || !input_dev) {
 992                                         kfree(hidinput);
 993                                         input_free_device(input_dev);
 994                                         err_hid("Out of memory during hid input probe");
 995                                         goto out_unwind;
 996                                 }
 997
 998                                 input_set_drvdata(input_dev, hid);
 999                                 input_dev->event =
1000                                         hid->ll_driver->hidinput_input_event;
1001                                 input_dev->open = hidinput_open;
1002                                 input_dev->close = hidinput_close;
1003                                 input_dev->setkeycode = hidinput_setkeycode;
1004                                 input_dev->getkeycode = hidinput_getkeycode;
1005
1006                                 input_dev->name = hid->name;
1007                                 input_dev->phys = hid->phys;
1008                                 input_dev->uniq = hid->uniq;
1009                                 input_dev->id.bustype = hid->bus;
1010                                 input_dev->id.vendor  = hid->vendor;
1011                                 input_dev->id.product = hid->product;
1012                                 input_dev->id.version = hid->version;
1013                                 input_dev->dev.parent = hid->dev.parent;
1014                                 hidinput->input = input_dev;
1015                                 list_add_tail(&hidinput->list, &hid->inputs);
1016                         }
1017
1018                         for (i = 0; i < report->maxfield; i++)
1019                                 for (j = 0; j < report->field[i]->maxusage; j++)
1020                                         hidinput_configure_usage(hidinput, report->field[i],
1021                                                                  report->field[i]->usage + j);
1022
1023                         if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
1024                                 /* This will leave hidinput NULL, so that it
1025                                  * allocates another one if we have more inputs on
1026                                  * the same interface. Some devices (e.g. Happ's
1027                                  * UGCI) cram a lot of unrelated inputs into the
1028                                  * same interface. */
1029                                 hidinput->report = report;
1030                                 if (input_register_device(hidinput->input))
1031                                         goto out_cleanup;
1032                                 hidinput = NULL;
1033                         }
1034                 }
1035
1036         if (hidinput && input_register_device(hidinput->input))
1037                 goto out_cleanup;
1038
1039         return 0;
1040
1041 out_cleanup:
1042         input_free_device(hidinput->input);
1043         kfree(hidinput);
1044 out_unwind:
1045         /* unwind the ones we already registered */
1046         hidinput_disconnect(hid);
1047
1048         return -1;
1049 }
1050 EXPORT_SYMBOL_GPL(hidinput_connect);
1051
1052 void hidinput_disconnect(struct hid_device *hid)
1053 {
1054         struct hid_input *hidinput, *next;
1055
1056         list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
1057                 list_del(&hidinput->list);
1058                 input_unregister_device(hidinput->input);
1059                 kfree(hidinput);
1060         }
1061 }
1062 EXPORT_SYMBOL_GPL(hidinput_disconnect);
1063