drivers/hid/usbhid/hid-quirks.c

   1 /*
   2  *  USB HID quirks support for Linux
   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  */
  10
  11 /*
  12  * This program is free software; you can redistribute it and/or modify it
  13  * under the terms of the GNU General Public License as published by the Free
  14  * Software Foundation; either version 2 of the License, or (at your option)
  15  * any later version.
  16  */
  17
  18 #include <linux/hid.h>
  19
  20 #include "../hid-ids.h"
  21
  22 /*
  23  * Alphabetically sorted blacklist by quirk type.
  24  */
  25
  26 static const struct hid_blacklist {
  27         __u16 idVendor;
  28         __u16 idProduct;
  29         __u32 quirks;
  30 } hid_blacklist[] = {
  31
  32         { USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU, HID_QUIRK_2WHEEL_MOUSE_HACK_7 },
  33         { USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D, HID_QUIRK_2WHEEL_MOUSE_HACK_B8 },
  34         { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE, HID_QUIRK_2WHEEL_MOUSE_HACK_5 },
  35
  36         { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD },
  37         { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD },
  38         { USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD },
  39         { USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD },
  40         { USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR, HID_QUIRK_MULTI_INPUT },
  41         { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
  42         { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
  43         { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
  44         { USB_VENDOR_ID_NATSU, USB_DEVICE_ID_NATSU_GAMEPAD, HID_QUIRK_BADPAD },
  45         { USB_VENDOR_ID_NEC, USB_DEVICE_ID_NEC_USB_GAME_PAD, HID_QUIRK_BADPAD },
  46         { USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD },
  47         { USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD },
  48
  49         { USB_VENDOR_ID_AFATECH, USB_DEVICE_ID_AFATECH_AF9016, HID_QUIRK_FULLSPEED_INTERVAL },
  50
  51         { USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM, HID_QUIRK_HIDDEV },
  52         { USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_HIDDEV | HID_QUIRK_IGNORE_HIDINPUT },
  53         { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV, HID_QUIRK_HIDINPUT },
  54
  55         { USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193, HID_QUIRK_HWHEEL_WHEEL_INVERT },
  56
  57
  58         { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K, HID_QUIRK_MICROSOFT_KEYS },
  59         { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K, HID_QUIRK_MICROSOFT_KEYS },
  60
  61         { USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS },
  62         { USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII, HID_QUIRK_MULTI_INPUT },
  63
  64         { USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER, HID_QUIRK_SONY_PS3_CONTROLLER | HID_QUIRK_HIDDEV },
  65
  66         { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
  67         { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET },
  68         { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
  69         { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET },
  70         { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET },
  71         { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
  72         { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
  73         { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0, HID_QUIRK_NOGET },
  74         { USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE, HID_QUIRK_NOGET },
  75         { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
  76         { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
  77         { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS },
  78         { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
  79
  80         { USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
  81
  82         { USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658, HID_QUIRK_RESET_LEDS },
  83
  84         { 0, 0 }
  85 };
  86
  87 /* Quirks for devices which require report descriptor fixup go here */
  88 static const struct hid_rdesc_blacklist {
  89         __u16 idVendor;
  90         __u16 idProduct;
  91         __u32 quirks;
  92 } hid_rdesc_blacklist[] = {
  93
  94         { USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_RDESC_CYMOTION },
  95
  96         { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_DESKTOP_RECV_1028, HID_QUIRK_RDESC_MICROSOFT_RECV_1028 },
  97
  98         { USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E, HID_QUIRK_RDESC_BUTTON_CONSUMER },
  99
 100         { USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE, HID_QUIRK_RDESC_PETALYNX },
 101
 102         { USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_RDESC_SAMSUNG_REMOTE },
 103
 104         { USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP, HID_QUIRK_RDESC_SUNPLUS_WDESKTOP },
 105
 106         { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1, HID_QUIRK_RDESC_SWAPPED_MIN_MAX },
 107         { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2, HID_QUIRK_RDESC_SWAPPED_MIN_MAX },
 108
 109         { 0, 0 }
 110 };
 111
 112 /* Dynamic HID quirks list - specified at runtime */
 113 struct quirks_list_struct {
 114         struct hid_blacklist hid_bl_item;
 115         struct list_head node;
 116 };
 117
 118 static LIST_HEAD(dquirks_list);
 119 static DECLARE_RWSEM(dquirks_rwsem);
 120
 121 /* Runtime ("dynamic") quirks manipulation functions */
 122
 123 /**
 124  * usbhid_exists_dquirk: find any dynamic quirks for a USB HID device
 125  * @idVendor: the 16-bit USB vendor ID, in native byteorder
 126  * @idProduct: the 16-bit USB product ID, in native byteorder
 127  *
 128  * Description:
 129  *         Scans dquirks_list for a matching dynamic quirk and returns
 130  *         the pointer to the relevant struct hid_blacklist if found.
 131  *         Must be called with a read lock held on dquirks_rwsem.
 132  *
 133  * Returns: NULL if no quirk found, struct hid_blacklist * if found.
 134  */
 135 static struct hid_blacklist *usbhid_exists_dquirk(const u16 idVendor,
 136                 const u16 idProduct)
 137 {
 138         struct quirks_list_struct *q;
 139         struct hid_blacklist *bl_entry = NULL;
 140
 141         list_for_each_entry(q, &dquirks_list, node) {
 142                 if (q->hid_bl_item.idVendor == idVendor &&
 143                                 q->hid_bl_item.idProduct == idProduct) {
 144                         bl_entry = &q->hid_bl_item;
 145                         break;
 146                 }
 147         }
 148
 149         if (bl_entry != NULL)
 150                 dbg_hid("Found dynamic quirk 0x%x for USB HID vendor 0x%hx prod 0x%hx\n",
 151                                 bl_entry->quirks, bl_entry->idVendor,
 152                                 bl_entry->idProduct);
 153
 154         return bl_entry;
 155 }
 156
 157
 158 /**
 159  * usbhid_modify_dquirk: add/replace a HID quirk
 160  * @idVendor: the 16-bit USB vendor ID, in native byteorder
 161  * @idProduct: the 16-bit USB product ID, in native byteorder
 162  * @quirks: the u32 quirks value to add/replace
 163  *
 164  * Description:
 165  *         If an dynamic quirk exists in memory for this (idVendor,
 166  *         idProduct) pair, replace its quirks value with what was
 167  *         provided.  Otherwise, add the quirk to the dynamic quirks list.
 168  *
 169  * Returns: 0 OK, -error on failure.
 170  */
 171 static int usbhid_modify_dquirk(const u16 idVendor, const u16 idProduct,
 172                                 const u32 quirks)
 173 {
 174         struct quirks_list_struct *q_new, *q;
 175         int list_edited = 0;
 176
 177         if (!idVendor) {
 178                 dbg_hid("Cannot add a quirk with idVendor = 0\n");
 179                 return -EINVAL;
 180         }
 181
 182         q_new = kmalloc(sizeof(struct quirks_list_struct), GFP_KERNEL);
 183         if (!q_new) {
 184                 dbg_hid("Could not allocate quirks_list_struct\n");
 185                 return -ENOMEM;
 186         }
 187
 188         q_new->hid_bl_item.idVendor = idVendor;
 189         q_new->hid_bl_item.idProduct = idProduct;
 190         q_new->hid_bl_item.quirks = quirks;
 191
 192         down_write(&dquirks_rwsem);
 193
 194         list_for_each_entry(q, &dquirks_list, node) {
 195
 196                 if (q->hid_bl_item.idVendor == idVendor &&
 197                                 q->hid_bl_item.idProduct == idProduct) {
 198
 199                         list_replace(&q->node, &q_new->node);
 200                         kfree(q);
 201                         list_edited = 1;
 202                         break;
 203
 204                 }
 205
 206         }
 207
 208         if (!list_edited)
 209                 list_add_tail(&q_new->node, &dquirks_list);
 210
 211         up_write(&dquirks_rwsem);
 212
 213         return 0;
 214 }
 215
 216 /**
 217  * usbhid_remove_all_dquirks: remove all runtime HID quirks from memory
 218  *
 219  * Description:
 220  *         Free all memory associated with dynamic quirks - called before
 221  *         module unload.
 222  *
 223  */
 224 static void usbhid_remove_all_dquirks(void)
 225 {
 226         struct quirks_list_struct *q, *temp;
 227
 228         down_write(&dquirks_rwsem);
 229         list_for_each_entry_safe(q, temp, &dquirks_list, node) {
 230                 list_del(&q->node);
 231                 kfree(q);
 232         }
 233         up_write(&dquirks_rwsem);
 234
 235 }
 236
 237 /**
 238  * usbhid_quirks_init: apply USB HID quirks specified at module load time
 239  */
 240 int usbhid_quirks_init(char **quirks_param)
 241 {
 242         u16 idVendor, idProduct;
 243         u32 quirks;
 244         int n = 0, m;
 245
 246         for (; quirks_param[n] && n < MAX_USBHID_BOOT_QUIRKS; n++) {
 247
 248                 m = sscanf(quirks_param[n], "0x%hx:0x%hx:0x%x",
 249                                 &idVendor, &idProduct, &quirks);
 250
 251                 if (m != 3 ||
 252                                 usbhid_modify_dquirk(idVendor, idProduct, quirks) != 0) {
 253                         printk(KERN_WARNING
 254                                         "Could not parse HID quirk module param %s\n",
 255                                         quirks_param[n]);
 256                 }
 257         }
 258
 259         return 0;
 260 }
 261
 262 /**
 263  * usbhid_quirks_exit: release memory associated with dynamic_quirks
 264  *
 265  * Description:
 266  *     Release all memory associated with dynamic quirks.  Called upon
 267  *     module unload.
 268  *
 269  * Returns: nothing
 270  */
 271 void usbhid_quirks_exit(void)
 272 {
 273         usbhid_remove_all_dquirks();
 274 }
 275
 276 /**
 277  * usbhid_exists_squirk: return any static quirks for a USB HID device
 278  * @idVendor: the 16-bit USB vendor ID, in native byteorder
 279  * @idProduct: the 16-bit USB product ID, in native byteorder
 280  *
 281  * Description:
 282  *     Given a USB vendor ID and product ID, return a pointer to
 283  *     the hid_blacklist entry associated with that device.
 284  *
 285  * Returns: pointer if quirk found, or NULL if no quirks found.
 286  */
 287 static const struct hid_blacklist *usbhid_exists_squirk(const u16 idVendor,
 288                 const u16 idProduct)
 289 {
 290         const struct hid_blacklist *bl_entry = NULL;
 291         int n = 0;
 292
 293         for (; hid_blacklist[n].idVendor; n++)
 294                 if (hid_blacklist[n].idVendor == idVendor &&
 295                                 hid_blacklist[n].idProduct == idProduct)
 296                         bl_entry = &hid_blacklist[n];
 297
 298         if (bl_entry != NULL)
 299                 dbg_hid("Found squirk 0x%x for USB HID vendor 0x%hx prod 0x%hx\n",
 300                                 bl_entry->quirks, bl_entry->idVendor,
 301                                 bl_entry->idProduct);
 302         return bl_entry;
 303 }
 304
 305 /**
 306  * usbhid_lookup_quirk: return any quirks associated with a USB HID device
 307  * @idVendor: the 16-bit USB vendor ID, in native byteorder
 308  * @idProduct: the 16-bit USB product ID, in native byteorder
 309  *
 310  * Description:
 311  *     Given a USB vendor ID and product ID, return any quirks associated
 312  *     with that device.
 313  *
 314  * Returns: a u32 quirks value.
 315  */
 316 u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct)
 317 {
 318         u32 quirks = 0;
 319         const struct hid_blacklist *bl_entry = NULL;
 320
 321         /* NCR devices must not be queried for reports */
 322         if (idVendor == USB_VENDOR_ID_NCR &&
 323                         idProduct >= USB_DEVICE_ID_NCR_FIRST &&
 324                         idProduct <= USB_DEVICE_ID_NCR_LAST)
 325                         return HID_QUIRK_NOGET;
 326
 327         down_read(&dquirks_rwsem);
 328         bl_entry = usbhid_exists_dquirk(idVendor, idProduct);
 329         if (!bl_entry)
 330                 bl_entry = usbhid_exists_squirk(idVendor, idProduct);
 331         if (bl_entry)
 332                 quirks = bl_entry->quirks;
 333         up_read(&dquirks_rwsem);
 334
 335         return quirks;
 336 }
 337
 338 EXPORT_SYMBOL_GPL(usbhid_lookup_quirk);
 339
 340 /*
 341  * Cherry Cymotion keyboard have an invalid HID report descriptor,
 342  * that needs fixing before we can parse it.
 343  */
 344 static void usbhid_fixup_cymotion_descriptor(char *rdesc, int rsize)
 345 {
 346         if (rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) {
 347                 printk(KERN_INFO "Fixing up Cherry Cymotion report descriptor\n");
 348                 rdesc[11] = rdesc[16] = 0xff;
 349                 rdesc[12] = rdesc[17] = 0x03;
 350         }
 351 }
 352
 353 static void usbhid_fixup_sunplus_wdesktop(unsigned char *rdesc, int rsize)
 354 {
 355         if (rsize >= 107 && rdesc[104] == 0x26
 356                          && rdesc[105] == 0x80
 357                          && rdesc[106] == 0x03) {
 358                 printk(KERN_INFO "Fixing up Sunplus Wireless Desktop report descriptor\n");
 359                 rdesc[105] = rdesc[110] = 0x03;
 360                 rdesc[106] = rdesc[111] = 0x21;
 361         }
 362 }
 363
 364 /*
 365  * Samsung IrDA remote controller (reports as Cypress USB Mouse).
 366  *
 367  * Vendor specific report #4 has a size of 48 bit,
 368  * and therefore is not accepted when inspecting the descriptors.
 369  * As a workaround we reinterpret the report as:
 370  *   Variable type, count 6, size 8 bit, log. maximum 255
 371  * The burden to reconstruct the data is moved into user space.
 372  */
 373 static void usbhid_fixup_samsung_irda_descriptor(unsigned char *rdesc,
 374                                                   int rsize)
 375 {
 376         if (rsize >= 182 && rdesc[175] == 0x25
 377                          && rdesc[176] == 0x40
 378                          && rdesc[177] == 0x75
 379                          && rdesc[178] == 0x30
 380                          && rdesc[179] == 0x95
 381                          && rdesc[180] == 0x01
 382                          && rdesc[182] == 0x40) {
 383                 printk(KERN_INFO "Fixing up Samsung IrDA report descriptor\n");
 384                 rdesc[176] = 0xff;
 385                 rdesc[178] = 0x08;
 386                 rdesc[180] = 0x06;
 387                 rdesc[182] = 0x42;
 388         }
 389 }
 390
 391 /* Petalynx Maxter Remote has maximum for consumer page set too low */
 392 static void usbhid_fixup_petalynx_descriptor(unsigned char *rdesc, int rsize)
 393 {
 394         if (rsize >= 60 && rdesc[39] == 0x2a
 395                         && rdesc[40] == 0xf5
 396                         && rdesc[41] == 0x00
 397                         && rdesc[59] == 0x26
 398                         && rdesc[60] == 0xf9
 399                         && rdesc[61] == 0x00) {
 400                 printk(KERN_INFO "Fixing up Petalynx Maxter Remote report descriptor\n");
 401                 rdesc[60] = 0xfa;
 402                 rdesc[40] = 0xfa;
 403         }
 404 }
 405
 406 /*
 407  * Some USB barcode readers from cypress have usage min and usage max in
 408  * the wrong order
 409  */
 410 static void usbhid_fixup_cypress_descriptor(unsigned char *rdesc, int rsize)
 411 {
 412         short fixed = 0;
 413         int i;
 414
 415         for (i = 0; i < rsize - 4; i++) {
 416                 if (rdesc[i] == 0x29 && rdesc [i+2] == 0x19) {
 417                         unsigned char tmp;
 418
 419                         rdesc[i] = 0x19; rdesc[i+2] = 0x29;
 420                         tmp = rdesc[i+3];
 421                         rdesc[i+3] = rdesc[i+1];
 422                         rdesc[i+1] = tmp;
 423                 }
 424         }
 425
 426         if (fixed)
 427                 printk(KERN_INFO "Fixing up Cypress report descriptor\n");
 428 }
 429
 430 static void usbhid_fixup_button_consumer_descriptor(unsigned char *rdesc, int rsize)
 431 {
 432         if (rsize >= 30 && rdesc[29] == 0x05
 433                         && rdesc[30] == 0x09) {
 434                 printk(KERN_INFO "Fixing up button/consumer in HID report descriptor\n");
 435                 rdesc[30] = 0x0c;
 436         }
 437 }
 438
 439 /*
 440  * Microsoft Wireless Desktop Receiver (Model 1028) has several
 441  * 'Usage Min/Max' where it ought to have 'Physical Min/Max'
 442  */
 443 static void usbhid_fixup_microsoft_descriptor(unsigned char *rdesc, int rsize)
 444 {
 445         if (rsize == 571 && rdesc[284] == 0x19
 446                          && rdesc[286] == 0x2a
 447                          && rdesc[304] == 0x19
 448                          && rdesc[306] == 0x29
 449                          && rdesc[352] == 0x1a
 450                          && rdesc[355] == 0x2a
 451                          && rdesc[557] == 0x19
 452                          && rdesc[559] == 0x29) {
 453                 printk(KERN_INFO "Fixing up Microsoft Wireless Receiver Model 1028 report descriptor\n");
 454                 rdesc[284] = rdesc[304] = rdesc[557] = 0x35;
 455                 rdesc[352] = 0x36;
 456                 rdesc[286] = rdesc[355] = 0x46;
 457                 rdesc[306] = rdesc[559] = 0x45;
 458         }
 459 }
 460
 461 static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned rsize)
 462 {
 463         if ((quirks & HID_QUIRK_RDESC_CYMOTION))
 464                 usbhid_fixup_cymotion_descriptor(rdesc, rsize);
 465
 466         if (quirks & HID_QUIRK_RDESC_SWAPPED_MIN_MAX)
 467                 usbhid_fixup_cypress_descriptor(rdesc, rsize);
 468
 469         if (quirks & HID_QUIRK_RDESC_PETALYNX)
 470                 usbhid_fixup_petalynx_descriptor(rdesc, rsize);
 471
 472         if (quirks & HID_QUIRK_RDESC_BUTTON_CONSUMER)
 473                 usbhid_fixup_button_consumer_descriptor(rdesc, rsize);
 474
 475         if (quirks & HID_QUIRK_RDESC_SAMSUNG_REMOTE)
 476                 usbhid_fixup_samsung_irda_descriptor(rdesc, rsize);
 477
 478         if (quirks & HID_QUIRK_RDESC_MICROSOFT_RECV_1028)
 479                 usbhid_fixup_microsoft_descriptor(rdesc, rsize);
 480
 481         if (quirks & HID_QUIRK_RDESC_SUNPLUS_WDESKTOP)
 482                 usbhid_fixup_sunplus_wdesktop(rdesc, rsize);
 483 }
 484
 485 /**
 486  * usbhid_fixup_report_descriptor: check if report descriptor needs fixup
 487  *
 488  * Description:
 489  *      Walks the hid_rdesc_blacklist[] array and checks whether the device
 490  *      is known to have broken report descriptor that needs to be fixed up
 491  *      prior to entering the HID parser
 492  *
 493  * Returns: nothing
 494  */
 495 void usbhid_fixup_report_descriptor(const u16 idVendor, const u16 idProduct,
 496                                     char *rdesc, unsigned rsize, char **quirks_param)
 497 {
 498         int n, m;
 499         u16 paramVendor, paramProduct;
 500         u32 quirks;
 501
 502         /* static rdesc quirk entries */
 503         for (n = 0; hid_rdesc_blacklist[n].idVendor; n++)
 504                 if (hid_rdesc_blacklist[n].idVendor == idVendor &&
 505                                 hid_rdesc_blacklist[n].idProduct == idProduct)
 506                         __usbhid_fixup_report_descriptor(hid_rdesc_blacklist[n].quirks,
 507                                         rdesc, rsize);
 508
 509         /* runtime rdesc quirk entries handling */
 510         for (n = 0; quirks_param[n] && n < MAX_USBHID_BOOT_QUIRKS; n++) {
 511                 m = sscanf(quirks_param[n], "0x%hx:0x%hx:0x%x",
 512                                 &paramVendor, &paramProduct, &quirks);
 513
 514                 if (m != 3)
 515                         printk(KERN_WARNING
 516                                 "Could not parse HID quirk module param %s\n",
 517                                 quirks_param[n]);
 518                 else if (paramVendor == idVendor && paramProduct == idProduct)
 519                         __usbhid_fixup_report_descriptor(quirks, rdesc, rsize);
 520         }
 521 }