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 * Copyright (c) 2008 Jiri Slaby <jirislaby@gmail.com> 10 */ 11 12/* 13 * This program is free software; you can redistribute it and/or modify it 14 * under the terms of the GNU General Public License as published by the Free 15 * Software Foundation; either version 2 of the License, or (at your option) 16 * any later version. 17 */ 18 19#include <linux/device.h> 20#include <linux/hid.h> 21#include <linux/module.h> 22#include <linux/slab.h> 23#include <linux/usb.h> 24 25#include "hid-ids.h" 26 27#define APPLE_RDESC_JIS 0x0001 28#define APPLE_IGNORE_MOUSE 0x0002 29#define APPLE_HAS_FN 0x0004 30#define APPLE_HIDDEV 0x0008 31#define APPLE_ISO_KEYBOARD 0x0010 32#define APPLE_MIGHTYMOUSE 0x0020 33#define APPLE_INVERT_HWHEEL 0x0040 34#define APPLE_IGNORE_HIDINPUT 0x0080 35#define APPLE_NUMLOCK_EMULATION 0x0100 36 37#define APPLE_FLAG_FKEY 0x01 38 39static unsigned int fnmode = 1; 40module_param(fnmode, uint, 0644); 41MODULE_PARM_DESC(fnmode, "Mode of fn key on Apple keyboards (0 = disabled, " 42 "[1] = fkeyslast, 2 = fkeysfirst)"); 43 44static unsigned int iso_layout = 1; 45module_param(iso_layout, uint, 0644); 46MODULE_PARM_DESC(iso_layout, "Enable/Disable hardcoded ISO-layout of the keyboard. " 47 "(0 = disabled, [1] = enabled)"); 48 49struct apple_sc { 50 unsigned long quirks; 51 unsigned int fn_on; 52 DECLARE_BITMAP(pressed_fn, KEY_CNT); 53 DECLARE_BITMAP(pressed_numlock, KEY_CNT); 54}; 55 56struct apple_key_translation { 57 u16 from; 58 u16 to; 59 u8 flags; 60}; 61 62static const struct apple_key_translation apple_fn_keys[] = { 63 { KEY_BACKSPACE, KEY_DELETE }, 64 { KEY_ENTER, KEY_INSERT }, 65 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, 66 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, 67 { KEY_F3, KEY_SCALE, APPLE_FLAG_FKEY }, 68 { KEY_F4, KEY_DASHBOARD, APPLE_FLAG_FKEY }, 69 { KEY_F5, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY }, 70 { KEY_F6, KEY_KBDILLUMUP, APPLE_FLAG_FKEY }, 71 { KEY_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY }, 72 { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY }, 73 { KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY }, 74 { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY }, 75 { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY }, 76 { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY }, 77 { KEY_UP, KEY_PAGEUP }, 78 { KEY_DOWN, KEY_PAGEDOWN }, 79 { KEY_LEFT, KEY_HOME }, 80 { KEY_RIGHT, KEY_END }, 81 { } 82}; 83 84static const struct apple_key_translation powerbook_fn_keys[] = { 85 { KEY_BACKSPACE, KEY_DELETE }, 86 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, 87 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, 88 { KEY_F3, KEY_MUTE, APPLE_FLAG_FKEY }, 89 { KEY_F4, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY }, 90 { KEY_F5, KEY_VOLUMEUP, APPLE_FLAG_FKEY }, 91 { KEY_F6, KEY_NUMLOCK, APPLE_FLAG_FKEY }, 92 { KEY_F7, KEY_SWITCHVIDEOMODE, APPLE_FLAG_FKEY }, 93 { KEY_F8, KEY_KBDILLUMTOGGLE, APPLE_FLAG_FKEY }, 94 { KEY_F9, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY }, 95 { KEY_F10, KEY_KBDILLUMUP, APPLE_FLAG_FKEY }, 96 { KEY_UP, KEY_PAGEUP }, 97 { KEY_DOWN, KEY_PAGEDOWN }, 98 { KEY_LEFT, KEY_HOME }, 99 { KEY_RIGHT, KEY_END }, 100 { } 101}; 102 103static const struct apple_key_translation powerbook_numlock_keys[] = { 104 { KEY_J, KEY_KP1 }, 105 { KEY_K, KEY_KP2 }, 106 { KEY_L, KEY_KP3 }, 107 { KEY_U, KEY_KP4 }, 108 { KEY_I, KEY_KP5 }, 109 { KEY_O, KEY_KP6 }, 110 { KEY_7, KEY_KP7 }, 111 { KEY_8, KEY_KP8 }, 112 { KEY_9, KEY_KP9 }, 113 { KEY_M, KEY_KP0 }, 114 { KEY_DOT, KEY_KPDOT }, 115 { KEY_SLASH, KEY_KPPLUS }, 116 { KEY_SEMICOLON, KEY_KPMINUS }, 117 { KEY_P, KEY_KPASTERISK }, 118 { KEY_MINUS, KEY_KPEQUAL }, 119 { KEY_0, KEY_KPSLASH }, 120 { KEY_F6, KEY_NUMLOCK }, 121 { KEY_KPENTER, KEY_KPENTER }, 122 { KEY_BACKSPACE, KEY_BACKSPACE }, 123 { } 124}; 125 126static const struct apple_key_translation apple_iso_keyboard[] = { 127 { KEY_GRAVE, KEY_102ND }, 128 { KEY_102ND, KEY_GRAVE }, 129 { } 130}; 131 132static const struct apple_key_translation *apple_find_translation( 133 const struct apple_key_translation *table, u16 from) 134{ 135 const struct apple_key_translation *trans; 136 137 /* Look for the translation */ 138 for (trans = table; trans->from; trans++) 139 if (trans->from == from) 140 return trans; 141 142 return NULL; 143} 144 145static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input, 146 struct hid_usage *usage, __s32 value) 147{ 148 struct apple_sc *asc = hid_get_drvdata(hid); 149 const struct apple_key_translation *trans; 150 151 if (usage->code == KEY_FN) { 152 asc->fn_on = !!value; 153 input_event(input, usage->type, usage->code, value); 154 return 1; 155 } 156 157 if (fnmode) { 158 int do_translate; 159 160 trans = apple_find_translation((hid->product < 0x21d || 161 hid->product >= 0x300) ? 162 powerbook_fn_keys : apple_fn_keys, 163 usage->code); 164 if (trans) { 165 if (test_bit(usage->code, asc->pressed_fn)) 166 do_translate = 1; 167 else if (trans->flags & APPLE_FLAG_FKEY) 168 do_translate = (fnmode == 2 && asc->fn_on) || 169 (fnmode == 1 && !asc->fn_on); 170 else 171 do_translate = asc->fn_on; 172 173 if (do_translate) { 174 if (value) 175 set_bit(usage->code, asc->pressed_fn); 176 else 177 clear_bit(usage->code, asc->pressed_fn); 178 179 input_event(input, usage->type, trans->to, 180 value); 181 182 return 1; 183 } 184 } 185 186 if (asc->quirks & APPLE_NUMLOCK_EMULATION && 187 (test_bit(usage->code, asc->pressed_numlock) || 188 test_bit(LED_NUML, input->led))) { 189 trans = apple_find_translation(powerbook_numlock_keys, 190 usage->code); 191 192 if (trans) { 193 if (value) 194 set_bit(usage->code, 195 asc->pressed_numlock); 196 else 197 clear_bit(usage->code, 198 asc->pressed_numlock); 199 200 input_event(input, usage->type, trans->to, 201 value); 202 } 203 204 return 1; 205 } 206 } 207 208 if (iso_layout) { 209 if (asc->quirks & APPLE_ISO_KEYBOARD) { 210 trans = apple_find_translation(apple_iso_keyboard, usage->code); 211 if (trans) { 212 input_event(input, usage->type, trans->to, value); 213 return 1; 214 } 215 } 216 } 217 218 return 0; 219} 220 221static int apple_event(struct hid_device *hdev, struct hid_field *field, 222 struct hid_usage *usage, __s32 value) 223{ 224 struct apple_sc *asc = hid_get_drvdata(hdev); 225 226 if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || 227 !usage->type) 228 return 0; 229 230 if ((asc->quirks & APPLE_INVERT_HWHEEL) && 231 usage->code == REL_HWHEEL) { 232 input_event(field->hidinput->input, usage->type, usage->code, 233 -value); 234 return 1; 235 } 236 237 if ((asc->quirks & APPLE_HAS_FN) && 238 hidinput_apple_event(hdev, field->hidinput->input, 239 usage, value)) 240 return 1; 241 242 243 return 0; 244} 245 246/* 247 * MacBook JIS keyboard has wrong logical maximum 248 */ 249static void apple_report_fixup(struct hid_device *hdev, __u8 *rdesc, 250 unsigned int rsize) 251{ 252 struct apple_sc *asc = hid_get_drvdata(hdev); 253 254 if ((asc->quirks & APPLE_RDESC_JIS) && rsize >= 60 && 255 rdesc[53] == 0x65 && rdesc[59] == 0x65) { 256 dev_info(&hdev->dev, "fixing up MacBook JIS keyboard report " 257 "descriptor\n"); 258 rdesc[53] = rdesc[59] = 0xe7; 259 } 260} 261 262static void apple_setup_input(struct input_dev *input) 263{ 264 const struct apple_key_translation *trans; 265 266 set_bit(KEY_NUMLOCK, input->keybit); 267 268 /* Enable all needed keys */ 269 for (trans = apple_fn_keys; trans->from; trans++) 270 set_bit(trans->to, input->keybit); 271 272 for (trans = powerbook_fn_keys; trans->from; trans++) 273 set_bit(trans->to, input->keybit); 274 275 for (trans = powerbook_numlock_keys; trans->from; trans++) 276 set_bit(trans->to, input->keybit); 277 278 for (trans = apple_iso_keyboard; trans->from; trans++) 279 set_bit(trans->to, input->keybit); 280} 281 282static int apple_input_mapping(struct hid_device *hdev, struct hid_input *hi, 283 struct hid_field *field, struct hid_usage *usage, 284 unsigned long **bit, int *max) 285{ 286 if (usage->hid == (HID_UP_CUSTOM | 0x0003)) { 287 /* The fn key on Apple USB keyboards */ 288 set_bit(EV_REP, hi->input->evbit); 289 hid_map_usage_clear(hi, usage, bit, max, EV_KEY, KEY_FN); 290 apple_setup_input(hi->input); 291 return 1; 292 } 293 294 /* we want the hid layer to go through standard path (set and ignore) */ 295 return 0; 296} 297 298static int apple_input_mapped(struct hid_device *hdev, struct hid_input *hi, 299 struct hid_field *field, struct hid_usage *usage, 300 unsigned long **bit, int *max) 301{ 302 struct apple_sc *asc = hid_get_drvdata(hdev); 303 304 if (asc->quirks & APPLE_MIGHTYMOUSE) { 305 if (usage->hid == HID_GD_Z) 306 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL); 307 else if (usage->code == BTN_1) 308 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_2); 309 else if (usage->code == BTN_2) 310 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_1); 311 } 312 313 return 0; 314} 315 316static int apple_probe(struct hid_device *hdev, 317 const struct hid_device_id *id) 318{ 319 unsigned long quirks = id->driver_data; 320 struct apple_sc *asc; 321 unsigned int connect_mask = HID_CONNECT_DEFAULT; 322 int ret; 323 324 asc = kzalloc(sizeof(*asc), GFP_KERNEL); 325 if (asc == NULL) { 326 dev_err(&hdev->dev, "can't alloc apple descriptor\n"); 327 return -ENOMEM; 328 } 329 330 asc->quirks = quirks; 331 332 hid_set_drvdata(hdev, asc); 333 334 ret = hid_parse(hdev); 335 if (ret) { 336 dev_err(&hdev->dev, "parse failed\n"); 337 goto err_free; 338 } 339 340 if (quirks & APPLE_HIDDEV) 341 connect_mask |= HID_CONNECT_HIDDEV_FORCE; 342 if (quirks & APPLE_IGNORE_HIDINPUT) 343 connect_mask &= ~HID_CONNECT_HIDINPUT; 344 345 ret = hid_hw_start(hdev, connect_mask); 346 if (ret) { 347 dev_err(&hdev->dev, "hw start failed\n"); 348 goto err_free; 349 } 350 351 return 0; 352err_free: 353 kfree(asc); 354 return ret; 355} 356 357static void apple_remove(struct hid_device *hdev) 358{ 359 hid_hw_stop(hdev); 360 kfree(hid_get_drvdata(hdev)); 361} 362 363static const struct hid_device_id apple_devices[] = { 364 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL), 365 .driver_data = APPLE_HIDDEV | APPLE_IGNORE_HIDINPUT }, 366 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4), 367 .driver_data = APPLE_HIDDEV | APPLE_IGNORE_HIDINPUT }, 368 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE), 369 .driver_data = APPLE_MIGHTYMOUSE | APPLE_INVERT_HWHEEL }, 370 371 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI), 372 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 373 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO), 374 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 375 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI), 376 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 377 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO), 378 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | 379 APPLE_ISO_KEYBOARD }, 380 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS), 381 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 382 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI), 383 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 384 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO), 385 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | 386 APPLE_ISO_KEYBOARD }, 387 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS), 388 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | 389 APPLE_RDESC_JIS }, 390 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI), 391 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 392 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO), 393 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | 394 APPLE_ISO_KEYBOARD }, 395 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS), 396 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | 397 APPLE_RDESC_JIS }, 398 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI), 399 .driver_data = APPLE_HAS_FN }, 400 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO), 401 .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, 402 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS), 403 .driver_data = APPLE_HAS_FN }, 404 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI), 405 .driver_data = APPLE_HAS_FN }, 406 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO), 407 .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, 408 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS), 409 .driver_data = APPLE_HAS_FN }, 410 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI), 411 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 412 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO), 413 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 414 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS), 415 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | 416 APPLE_RDESC_JIS }, 417 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI), 418 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 419 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO), 420 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | 421 APPLE_ISO_KEYBOARD }, 422 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS), 423 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 424 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI), 425 .driver_data = APPLE_HAS_FN }, 426 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO), 427 .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, 428 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS), 429 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, 430 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI), 431 .driver_data = APPLE_HAS_FN }, 432 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO), 433 .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, 434 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS), 435 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, 436 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI), 437 .driver_data = APPLE_HAS_FN }, 438 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO), 439 .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, 440 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS), 441 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, 442 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI), 443 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 444 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO), 445 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | 446 APPLE_ISO_KEYBOARD }, 447 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS), 448 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 449 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY), 450 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 451 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY), 452 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, 453 454 { } 455}; 456MODULE_DEVICE_TABLE(hid, apple_devices); 457 458static struct hid_driver apple_driver = { 459 .name = "apple", 460 .id_table = apple_devices, 461 .report_fixup = apple_report_fixup, 462 .probe = apple_probe, 463 .remove = apple_remove, 464 .event = apple_event, 465 .input_mapping = apple_input_mapping, 466 .input_mapped = apple_input_mapped, 467}; 468 469static int __init apple_init(void) 470{ 471 int ret; 472 473 ret = hid_register_driver(&apple_driver); 474 if (ret) 475 printk(KERN_ERR "can't register apple driver\n"); 476 477 return ret; 478} 479 480static void __exit apple_exit(void) 481{ 482 hid_unregister_driver(&apple_driver); 483} 484 485module_init(apple_init); 486module_exit(apple_exit); 487MODULE_LICENSE("GPL"); 488