drivers/hid/hid-asus.c

   1 /*
   2  *  HID driver for Asus notebook built-in keyboard.
   3  *  Fixes small logical maximum to match usage maximum.
   4  *
   5  *  Currently supported devices are:
   6  *    EeeBook X205TA
   7  *    VivoBook E200HA
   8  *
   9  *  Copyright (c) 2016 Yusuke Fujimaki <usk.fujimaki@gmail.com>
  10  *
  11  *  This module based on hid-ortek by
  12  *  Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com>
  13  *  Copyright (c) 2011 Jiri Kosina
  14  *
  15  *  This module has been updated to add support for Asus i2c touchpad.
  16  *
  17  *  Copyright (c) 2016 Brendan McGrath <redmcg@redmandi.dyndns.org>
  18  *  Copyright (c) 2016 Victor Vlasenko <victor.vlasenko@sysgears.com>
  19  *  Copyright (c) 2016 Frederik Wenigwieser <frederik.wenigwieser@gmail.com>
  20  */
  21
  22 /*
  23  * This program is free software; you can redistribute it and/or modify it
  24  * under the terms of the GNU General Public License as published by the Free
  25  * Software Foundation; either version 2 of the License, or (at your option)
  26  * any later version.
  27  */
  28
  29 #include <linux/hid.h>
  30 #include <linux/module.h>
  31 #include <linux/input/mt.h>
  32
  33 #include "hid-ids.h"
  34
  35 MODULE_AUTHOR("Yusuke Fujimaki <usk.fujimaki@gmail.com>");
  36 MODULE_AUTHOR("Brendan McGrath <redmcg@redmandi.dyndns.org>");
  37 MODULE_AUTHOR("Victor Vlasenko <victor.vlasenko@sysgears.com>");
  38 MODULE_AUTHOR("Frederik Wenigwieser <frederik.wenigwieser@gmail.com>");
  39 MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
  40
  41 #define FEATURE_REPORT_ID 0x0d
  42 #define INPUT_REPORT_ID 0x5d
  43 #define FEATURE_KBD_REPORT_ID 0x5a
  44
  45 #define INPUT_REPORT_SIZE 28
  46 #define FEATURE_KBD_REPORT_SIZE 16
  47
  48 #define SUPPORT_KBD_BACKLIGHT BIT(0)
  49
  50 #define MAX_CONTACTS 5
  51
  52 #define MAX_X 2794
  53 #define MAX_Y 1758
  54 #define MAX_TOUCH_MAJOR 8
  55 #define MAX_PRESSURE 128
  56
  57 #define CONTACT_DATA_SIZE 5
  58
  59 #define BTN_LEFT_MASK 0x01
  60 #define CONTACT_TOOL_TYPE_MASK 0x80
  61 #define CONTACT_X_MSB_MASK 0xf0
  62 #define CONTACT_Y_MSB_MASK 0x0f
  63 #define CONTACT_TOUCH_MAJOR_MASK 0x07
  64 #define CONTACT_PRESSURE_MASK 0x7f
  65
  66 #define QUIRK_FIX_NOTEBOOK_REPORT       BIT(0)
  67 #define QUIRK_NO_INIT_REPORTS           BIT(1)
  68 #define QUIRK_SKIP_INPUT_MAPPING        BIT(2)
  69 #define QUIRK_IS_MULTITOUCH             BIT(3)
  70 #define QUIRK_NO_CONSUMER_USAGES        BIT(4)
  71 #define QUIRK_USE_KBD_BACKLIGHT         BIT(5)
  72
  73 #define I2C_KEYBOARD_QUIRKS                     (QUIRK_FIX_NOTEBOOK_REPORT | \
  74                                                  QUIRK_NO_INIT_REPORTS | \
  75                                                  QUIRK_NO_CONSUMER_USAGES)
  76 #define I2C_TOUCHPAD_QUIRKS                     (QUIRK_NO_INIT_REPORTS | \
  77                                                  QUIRK_SKIP_INPUT_MAPPING | \
  78                                                  QUIRK_IS_MULTITOUCH)
  79
  80 #define TRKID_SGN       ((TRKID_MAX + 1) >> 1)
  81
  82 struct asus_kbd_leds {
  83         struct led_classdev cdev;
  84         struct hid_device *hdev;
  85         struct work_struct work;
  86         unsigned int brightness;
  87         bool removed;
  88 };
  89
  90 struct asus_drvdata {
  91         unsigned long quirks;
  92         struct input_dev *input;
  93         struct asus_kbd_leds *kbd_backlight;
  94         bool enable_backlight;
  95 };
  96
  97 static void asus_report_contact_down(struct input_dev *input,
  98                 int toolType, u8 *data)
  99 {
 100         int touch_major, pressure;
 101         int x = (data[0] & CONTACT_X_MSB_MASK) << 4 | data[1];
 102         int y = MAX_Y - ((data[0] & CONTACT_Y_MSB_MASK) << 8 | data[2]);
 103
 104         if (toolType == MT_TOOL_PALM) {
 105                 touch_major = MAX_TOUCH_MAJOR;
 106                 pressure = MAX_PRESSURE;
 107         } else {
 108                 touch_major = (data[3] >> 4) & CONTACT_TOUCH_MAJOR_MASK;
 109                 pressure = data[4] & CONTACT_PRESSURE_MASK;
 110         }
 111
 112         input_report_abs(input, ABS_MT_POSITION_X, x);
 113         input_report_abs(input, ABS_MT_POSITION_Y, y);
 114         input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major);
 115         input_report_abs(input, ABS_MT_PRESSURE, pressure);
 116 }
 117
 118 /* Required for Synaptics Palm Detection */
 119 static void asus_report_tool_width(struct input_dev *input)
 120 {
 121         struct input_mt *mt = input->mt;
 122         struct input_mt_slot *oldest;
 123         int oldid, count, i;
 124
 125         oldest = NULL;
 126         oldid = mt->trkid;
 127         count = 0;
 128
 129         for (i = 0; i < mt->num_slots; ++i) {
 130                 struct input_mt_slot *ps = &mt->slots[i];
 131                 int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
 132
 133                 if (id < 0)
 134                         continue;
 135                 if ((id - oldid) & TRKID_SGN) {
 136                         oldest = ps;
 137                         oldid = id;
 138                 }
 139                 count++;
 140         }
 141
 142         if (oldest) {
 143                 input_report_abs(input, ABS_TOOL_WIDTH,
 144                         input_mt_get_value(oldest, ABS_MT_TOUCH_MAJOR));
 145         }
 146 }
 147
 148 static void asus_report_input(struct input_dev *input, u8 *data)
 149 {
 150         int i;
 151         u8 *contactData = data + 2;
 152
 153         for (i = 0; i < MAX_CONTACTS; i++) {
 154                 bool down = !!(data[1] & BIT(i+3));
 155                 int toolType = contactData[3] & CONTACT_TOOL_TYPE_MASK ?
 156                                                 MT_TOOL_PALM : MT_TOOL_FINGER;
 157
 158                 input_mt_slot(input, i);
 159                 input_mt_report_slot_state(input, toolType, down);
 160
 161                 if (down) {
 162                         asus_report_contact_down(input, toolType, contactData);
 163                         contactData += CONTACT_DATA_SIZE;
 164                 }
 165         }
 166
 167         input_report_key(input, BTN_LEFT, data[1] & BTN_LEFT_MASK);
 168         asus_report_tool_width(input);
 169
 170         input_mt_sync_frame(input);
 171         input_sync(input);
 172 }
 173
 174 static int asus_raw_event(struct hid_device *hdev,
 175                 struct hid_report *report, u8 *data, int size)
 176 {
 177         struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
 178
 179         if (drvdata->quirks & QUIRK_IS_MULTITOUCH &&
 180                                          data[0] == INPUT_REPORT_ID &&
 181                                                 size == INPUT_REPORT_SIZE) {
 182                 asus_report_input(drvdata->input, data);
 183                 return 1;
 184         }
 185
 186         return 0;
 187 }
 188
 189 static int asus_kbd_set_report(struct hid_device *hdev, u8 *buf, size_t buf_size)
 190 {
 191         unsigned char *dmabuf;
 192         int ret;
 193
 194         dmabuf = kmemdup(buf, buf_size, GFP_KERNEL);
 195         if (!dmabuf)
 196                 return -ENOMEM;
 197
 198         ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, dmabuf,
 199                                  buf_size, HID_FEATURE_REPORT,
 200                                  HID_REQ_SET_REPORT);
 201         kfree(dmabuf);
 202
 203         return ret;
 204 }
 205
 206 static int asus_kbd_init(struct hid_device *hdev)
 207 {
 208         u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x41, 0x53, 0x55, 0x53, 0x20, 0x54,
 209                      0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 };
 210         int ret;
 211
 212         ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
 213         if (ret < 0)
 214                 hid_err(hdev, "Asus failed to send init command: %d\n", ret);
 215
 216         return ret;
 217 }
 218
 219 static int asus_kbd_get_functions(struct hid_device *hdev,
 220                                   unsigned char *kbd_func)
 221 {
 222         u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 };
 223         u8 *readbuf;
 224         int ret;
 225
 226         ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
 227         if (ret < 0) {
 228                 hid_err(hdev, "Asus failed to send configuration command: %d\n", ret);
 229                 return ret;
 230         }
 231
 232         readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL);
 233         if (!readbuf)
 234                 return -ENOMEM;
 235
 236         ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, readbuf,
 237                                  FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT,
 238                                  HID_REQ_GET_REPORT);
 239         if (ret < 0) {
 240                 hid_err(hdev, "Asus failed to request functions: %d\n", ret);
 241                 kfree(readbuf);
 242                 return ret;
 243         }
 244
 245         *kbd_func = readbuf[6];
 246
 247         kfree(readbuf);
 248         return ret;
 249 }
 250
 251 static void asus_kbd_backlight_set(struct led_classdev *led_cdev,
 252                                    enum led_brightness brightness)
 253 {
 254         struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
 255                                                  cdev);
 256         if (led->brightness == brightness)
 257                 return;
 258
 259         led->brightness = brightness;
 260         schedule_work(&led->work);
 261 }
 262
 263 static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev)
 264 {
 265         struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
 266                                                  cdev);
 267
 268         return led->brightness;
 269 }
 270
 271 static void asus_kbd_backlight_work(struct work_struct *work)
 272 {
 273         struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work);
 274         u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 };
 275         int ret;
 276
 277         if (led->removed)
 278                 return;
 279
 280         buf[4] = led->brightness;
 281
 282         ret = asus_kbd_set_report(led->hdev, buf, sizeof(buf));
 283         if (ret < 0)
 284                 hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret);
 285 }
 286
 287 static int asus_kbd_register_leds(struct hid_device *hdev)
 288 {
 289         struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
 290         unsigned char kbd_func;
 291         int ret;
 292
 293         /* Initialize keyboard */
 294         ret = asus_kbd_init(hdev);
 295         if (ret < 0)
 296                 return ret;
 297
 298         /* Get keyboard functions */
 299         ret = asus_kbd_get_functions(hdev, &kbd_func);
 300         if (ret < 0)
 301                 return ret;
 302
 303         /* Check for backlight support */
 304         if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
 305                 return -ENODEV;
 306
 307         drvdata->kbd_backlight = devm_kzalloc(&hdev->dev,
 308                                               sizeof(struct asus_kbd_leds),
 309                                               GFP_KERNEL);
 310         if (!drvdata->kbd_backlight)
 311                 return -ENOMEM;
 312
 313         drvdata->kbd_backlight->removed = false;
 314         drvdata->kbd_backlight->brightness = 0;
 315         drvdata->kbd_backlight->hdev = hdev;
 316         drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight";
 317         drvdata->kbd_backlight->cdev.max_brightness = 3;
 318         drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set;
 319         drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get;
 320         INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work);
 321
 322         ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev);
 323         if (ret < 0) {
 324                 /* No need to have this still around */
 325                 devm_kfree(&hdev->dev, drvdata->kbd_backlight);
 326         }
 327
 328         return ret;
 329 }
 330
 331 static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
 332 {
 333         struct input_dev *input = hi->input;
 334         struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
 335
 336         if (drvdata->quirks & QUIRK_IS_MULTITOUCH) {
 337                 int ret;
 338
 339                 input_set_abs_params(input, ABS_MT_POSITION_X, 0, MAX_X, 0, 0);
 340                 input_set_abs_params(input, ABS_MT_POSITION_Y, 0, MAX_Y, 0, 0);
 341                 input_set_abs_params(input, ABS_TOOL_WIDTH, 0, MAX_TOUCH_MAJOR, 0, 0);
 342                 input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, MAX_TOUCH_MAJOR, 0, 0);
 343                 input_set_abs_params(input, ABS_MT_PRESSURE, 0, MAX_PRESSURE, 0, 0);
 344
 345                 __set_bit(BTN_LEFT, input->keybit);
 346                 __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
 347
 348                 ret = input_mt_init_slots(input, MAX_CONTACTS, INPUT_MT_POINTER);
 349
 350                 if (ret) {
 351                         hid_err(hdev, "Asus input mt init slots failed: %d\n", ret);
 352                         return ret;
 353                 }
 354         }
 355
 356         drvdata->input = input;
 357
 358         if (drvdata->enable_backlight && asus_kbd_register_leds(hdev))
 359                 hid_warn(hdev, "Failed to initialize backlight.\n");
 360
 361         return 0;
 362 }
 363
 364 #define asus_map_key_clear(c)   hid_map_usage_clear(hi, usage, bit, \
 365                                                     max, EV_KEY, (c))
 366 static int asus_input_mapping(struct hid_device *hdev,
 367                 struct hid_input *hi, struct hid_field *field,
 368                 struct hid_usage *usage, unsigned long **bit,
 369                 int *max)
 370 {
 371         struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
 372
 373         if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) {
 374                 /* Don't map anything from the HID report.
 375                  * We do it all manually in asus_input_configured
 376                  */
 377                 return -1;
 378         }
 379
 380         /* ASUS-specific keyboard hotkeys */
 381         if ((usage->hid & HID_USAGE_PAGE) == 0xff310000) {
 382                 set_bit(EV_REP, hi->input->evbit);
 383                 switch (usage->hid & HID_USAGE) {
 384                 case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN);      break;
 385                 case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP);                break;
 386                 case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF);         break;
 387                 case 0x6c: asus_map_key_clear(KEY_SLEEP);               break;
 388                 case 0x82: asus_map_key_clear(KEY_CAMERA);              break;
 389                 case 0x88: asus_map_key_clear(KEY_RFKILL);                      break;
 390                 case 0xb5: asus_map_key_clear(KEY_CALC);                        break;
 391                 case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP);          break;
 392                 case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN);                break;
 393
 394                 /* ASUS touchpad toggle */
 395                 case 0x6b: asus_map_key_clear(KEY_F21);                 break;
 396
 397                 /* ROG key */
 398                 case 0x38: asus_map_key_clear(KEY_PROG1);               break;
 399
 400                 /* Fn+C ASUS Splendid */
 401                 case 0xba: asus_map_key_clear(KEY_PROG2);               break;
 402
 403                 /* Fn+Space Power4Gear Hybrid */
 404                 case 0x5c: asus_map_key_clear(KEY_PROG3);               break;
 405
 406                 default:
 407                         /* ASUS lazily declares 256 usages, ignore the rest,
 408                          * as some make the keyboard appear as a pointer device. */
 409                         return -1;
 410                 }
 411
 412                 /*
 413                  * Check and enable backlight only on devices with UsagePage ==
 414                  * 0xff31 to avoid initializing the keyboard firmware multiple
 415                  * times on devices with multiple HID descriptors but same
 416                  * PID/VID.
 417                  */
 418                 if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT)
 419                         drvdata->enable_backlight = true;
 420
 421                 return 1;
 422         }
 423
 424         if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES &&
 425                 (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
 426                 switch (usage->hid & HID_USAGE) {
 427                 case 0xe2: /* Mute */
 428                 case 0xe9: /* Volume up */
 429                 case 0xea: /* Volume down */
 430                         return 0;
 431                 default:
 432                         /* Ignore dummy Consumer usages which make the
 433                          * keyboard incorrectly appear as a pointer device.
 434                          */
 435                         return -1;
 436                 }
 437         }
 438
 439         return 0;
 440 }
 441
 442 static int asus_start_multitouch(struct hid_device *hdev)
 443 {
 444         int ret;
 445         const unsigned char buf[] = { FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00 };
 446         unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL);
 447
 448         if (!dmabuf) {
 449                 ret = -ENOMEM;
 450                 hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret);
 451                 return ret;
 452         }
 453
 454         ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf),
 455                                         HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
 456
 457         kfree(dmabuf);
 458
 459         if (ret != sizeof(buf)) {
 460                 hid_err(hdev, "Asus failed to start multitouch: %d\n", ret);
 461                 return ret;
 462         }
 463
 464         return 0;
 465 }
 466
 467 static int __maybe_unused asus_reset_resume(struct hid_device *hdev)
 468 {
 469         struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
 470
 471         if (drvdata->quirks & QUIRK_IS_MULTITOUCH)
 472                 return asus_start_multitouch(hdev);
 473
 474         return 0;
 475 }
 476
 477 static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
 478 {
 479         int ret;
 480         struct asus_drvdata *drvdata;
 481
 482         drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL);
 483         if (drvdata == NULL) {
 484                 hid_err(hdev, "Can't alloc Asus descriptor\n");
 485                 return -ENOMEM;
 486         }
 487
 488         hid_set_drvdata(hdev, drvdata);
 489
 490         drvdata->quirks = id->driver_data;
 491
 492         if (drvdata->quirks & QUIRK_NO_INIT_REPORTS)
 493                 hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
 494
 495         ret = hid_parse(hdev);
 496         if (ret) {
 497                 hid_err(hdev, "Asus hid parse failed: %d\n", ret);
 498                 return ret;
 499         }
 500
 501         ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
 502         if (ret) {
 503                 hid_err(hdev, "Asus hw start failed: %d\n", ret);
 504                 return ret;
 505         }
 506
 507         if (!drvdata->input) {
 508                 hid_err(hdev, "Asus input not registered\n");
 509                 ret = -ENOMEM;
 510                 goto err_stop_hw;
 511         }
 512
 513         if (drvdata->quirks & QUIRK_IS_MULTITOUCH) {
 514                 drvdata->input->name = "Asus TouchPad";
 515         } else {
 516                 drvdata->input->name = "Asus Keyboard";
 517         }
 518
 519         if (drvdata->quirks & QUIRK_IS_MULTITOUCH) {
 520                 ret = asus_start_multitouch(hdev);
 521                 if (ret)
 522                         goto err_stop_hw;
 523         }
 524
 525         return 0;
 526 err_stop_hw:
 527         hid_hw_stop(hdev);
 528         return ret;
 529 }
 530
 531 static void asus_remove(struct hid_device *hdev)
 532 {
 533         struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
 534
 535         if (drvdata->kbd_backlight) {
 536                 drvdata->kbd_backlight->removed = true;
 537                 cancel_work_sync(&drvdata->kbd_backlight->work);
 538         }
 539 }
 540
 541 static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 542                 unsigned int *rsize)
 543 {
 544         struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
 545
 546         if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT &&
 547                         *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) {
 548                 hid_info(hdev, "Fixing up Asus notebook report descriptor\n");
 549                 rdesc[55] = 0xdd;
 550         }
 551         return rdesc;
 552 }
 553
 554 static const struct hid_device_id asus_devices[] = {
 555         { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
 556                 USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS},
 557         { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
 558                 USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS },
 559         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
 560                 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1) },
 561         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
 562                 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT },
 563         { }
 564 };
 565 MODULE_DEVICE_TABLE(hid, asus_devices);
 566
 567 static struct hid_driver asus_driver = {
 568         .name                   = "asus",
 569         .id_table               = asus_devices,
 570         .report_fixup           = asus_report_fixup,
 571         .probe                  = asus_probe,
 572         .remove                 = asus_remove,
 573         .input_mapping          = asus_input_mapping,
 574         .input_configured       = asus_input_configured,
 575 #ifdef CONFIG_PM
 576         .reset_resume           = asus_reset_resume,
 577 #endif
 578         .raw_event              = asus_raw_event
 579 };
 580 module_hid_driver(asus_driver);
 581
 582 MODULE_LICENSE("GPL");