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knfsd: nfsd4: fix handling of acl errrors
[pv_ops_mirror.git] / drivers / hid / hid-input.c
blob8edbd30cf7955bcb54e80d2ce42fe6f2f545b8e2
1 /*
2 * $Id: hid-input.c,v 1.2 2002/04/23 00:59:25 rdamazio Exp $
3 *
4 * Copyright (c) 2000-2001 Vojtech Pavlik
5 * Copyright (c) 2006-2007 Jiri Kosina
6 *
7 * HID to Linux Input mapping
8 */
9
10 /*
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 *
25 * Should you need to contact me, the author, you can do so either by
26 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
27 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
28 */
29
30 #include <linux/module.h>
31 #include <linux/slab.h>
32 #include <linux/kernel.h>
33
34 #include <linux/hid.h>
35 #include <linux/hid-debug.h>
36
37 static int hid_pb_fnmode = 1;
38 module_param_named(pb_fnmode, hid_pb_fnmode, int, 0644);
39 MODULE_PARM_DESC(pb_fnmode,
40 "Mode of fn key on PowerBooks (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
41
42 #define unk KEY_UNKNOWN
43
44 static const unsigned char hid_keyboard[256] = {
45 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
46 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3,
47 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26,
48 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
49 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
50 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
51 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
52 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
53 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
54 122,123, 90, 91, 85,unk,unk,unk,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 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
58 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
59 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
60 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
61 };
62
63 /* extended mapping for certain Logitech hardware (Logitech cordless desktop LX500) */
64 #define LOGITECH_EXPANDED_KEYMAP_SIZE 80
65 static int logitech_expanded_keymap[LOGITECH_EXPANDED_KEYMAP_SIZE] = {
66 0,216, 0,213,175,156, 0, 0, 0, 0,
67 144, 0, 0, 0, 0, 0, 0, 0, 0,212,
68 174,167,152,161,112, 0, 0, 0,154, 0,
69 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
70 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
71 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
72 0, 0, 0, 0, 0,183,184,185,186,187,
73 188,189,190,191,192,193,194, 0, 0, 0
74 };
75
76 static const struct {
77 __s32 x;
78 __s32 y;
79 } hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
80
81 #define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
82 #define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
83 #define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
84 #define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
85
86 #define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0)
87 #define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0)
88
89 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK
90
91 struct hidinput_key_translation {
92 u16 from;
93 u16 to;
94 u8 flags;
95 };
96
97 #define POWERBOOK_FLAG_FKEY 0x01
98
99 static struct hidinput_key_translation powerbook_fn_keys[] = {
100 { KEY_BACKSPACE, KEY_DELETE },
101 { KEY_F1, KEY_BRIGHTNESSDOWN, POWERBOOK_FLAG_FKEY },
102 { KEY_F2, KEY_BRIGHTNESSUP, POWERBOOK_FLAG_FKEY },
103 { KEY_F3, KEY_MUTE, POWERBOOK_FLAG_FKEY },
104 { KEY_F4, KEY_VOLUMEDOWN, POWERBOOK_FLAG_FKEY },
105 { KEY_F5, KEY_VOLUMEUP, POWERBOOK_FLAG_FKEY },
106 { KEY_F6, KEY_NUMLOCK, POWERBOOK_FLAG_FKEY },
107 { KEY_F7, KEY_SWITCHVIDEOMODE, POWERBOOK_FLAG_FKEY },
108 { KEY_F8, KEY_KBDILLUMTOGGLE, POWERBOOK_FLAG_FKEY },
109 { KEY_F9, KEY_KBDILLUMDOWN, POWERBOOK_FLAG_FKEY },
110 { KEY_F10, KEY_KBDILLUMUP, POWERBOOK_FLAG_FKEY },
111 { KEY_UP, KEY_PAGEUP },
112 { KEY_DOWN, KEY_PAGEDOWN },
113 { KEY_LEFT, KEY_HOME },
114 { KEY_RIGHT, KEY_END },
115 { }
116 };
117
118 static struct hidinput_key_translation powerbook_numlock_keys[] = {
119 { KEY_J, KEY_KP1 },
120 { KEY_K, KEY_KP2 },
121 { KEY_L, KEY_KP3 },
122 { KEY_U, KEY_KP4 },
123 { KEY_I, KEY_KP5 },
124 { KEY_O, KEY_KP6 },
125 { KEY_7, KEY_KP7 },
126 { KEY_8, KEY_KP8 },
127 { KEY_9, KEY_KP9 },
128 { KEY_M, KEY_KP0 },
129 { KEY_DOT, KEY_KPDOT },
130 { KEY_SLASH, KEY_KPPLUS },
131 { KEY_SEMICOLON, KEY_KPMINUS },
132 { KEY_P, KEY_KPASTERISK },
133 { KEY_MINUS, KEY_KPEQUAL },
134 { KEY_0, KEY_KPSLASH },
135 { KEY_F6, KEY_NUMLOCK },
136 { KEY_KPENTER, KEY_KPENTER },
137 { KEY_BACKSPACE, KEY_BACKSPACE },
138 { }
139 };
140
141 static struct hidinput_key_translation powerbook_iso_keyboard[] = {
142 { KEY_GRAVE, KEY_102ND },
143 { KEY_102ND, KEY_GRAVE },
144 { }
145 };
146
147 static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
148 {
149 struct hidinput_key_translation *trans;
150
151 /* Look for the translation */
152 for (trans = table; trans->from; trans++)
153 if (trans->from == from)
154 return trans;
155
156 return NULL;
157 }
158
159 static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
160 struct hid_usage *usage, __s32 value)
161 {
162 struct hidinput_key_translation *trans;
163
164 if (usage->code == KEY_FN) {
165 if (value) hid->quirks |= HID_QUIRK_POWERBOOK_FN_ON;
166 else hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON;
167
168 input_event(input, usage->type, usage->code, value);
169
170 return 1;
171 }
172
173 if (hid_pb_fnmode) {
174 int do_translate;
175
176 trans = find_translation(powerbook_fn_keys, usage->code);
177 if (trans) {
178 if (test_bit(usage->code, hid->pb_pressed_fn))
179 do_translate = 1;
180 else if (trans->flags & POWERBOOK_FLAG_FKEY)
181 do_translate =
182 (hid_pb_fnmode == 2 && (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) ||
183 (hid_pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON));
184 else
185 do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON);
186
187 if (do_translate) {
188 if (value)
189 set_bit(usage->code, hid->pb_pressed_fn);
190 else
191 clear_bit(usage->code, hid->pb_pressed_fn);
192
193 input_event(input, usage->type, trans->to, value);
194
195 return 1;
196 }
197 }
198
199 if (test_bit(usage->code, hid->pb_pressed_numlock) ||
200 test_bit(LED_NUML, input->led)) {
201 trans = find_translation(powerbook_numlock_keys, usage->code);
202
203 if (trans) {
204 if (value)
205 set_bit(usage->code, hid->pb_pressed_numlock);
206 else
207 clear_bit(usage->code, hid->pb_pressed_numlock);
208
209 input_event(input, usage->type, trans->to, value);
210 }
211
212 return 1;
213 }
214 }
215
216 if (hid->quirks & HID_QUIRK_POWERBOOK_ISO_KEYBOARD) {
217 trans = find_translation(powerbook_iso_keyboard, usage->code);
218 if (trans) {
219 input_event(input, usage->type, trans->to, value);
220 return 1;
221 }
222 }
223
224 return 0;
225 }
226
227 static void hidinput_pb_setup(struct input_dev *input)
228 {
229 struct hidinput_key_translation *trans;
230
231 set_bit(KEY_NUMLOCK, input->keybit);
232
233 /* Enable all needed keys */
234 for (trans = powerbook_fn_keys; trans->from; trans++)
235 set_bit(trans->to, input->keybit);
236
237 for (trans = powerbook_numlock_keys; trans->from; trans++)
238 set_bit(trans->to, input->keybit);
239
240 for (trans = powerbook_iso_keyboard; trans->from; trans++)
241 set_bit(trans->to, input->keybit);
242
243 }
244 #else
245 static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
246 struct hid_usage *usage, __s32 value)
247 {
248 return 0;
249 }
250
251 static inline void hidinput_pb_setup(struct input_dev *input)
252 {
253 }
254 #endif
255
256 static inline int match_scancode(int code, int scancode)
257 {
258 if (scancode == 0)
259 return 1;
260 return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode);
261 }
262
263 static inline int match_keycode(int code, int keycode)
264 {
265 if (keycode == 0)
266 return 1;
267 return (code == keycode);
268 }
269
270 static struct hid_usage *hidinput_find_key(struct hid_device *hid,
271 int scancode, int keycode)
272 {
273 int i, j, k;
274 struct hid_report *report;
275 struct hid_usage *usage;
276
277 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
278 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
279 for (i = 0; i < report->maxfield; i++) {
280 for ( j = 0; j < report->field[i]->maxusage; j++) {
281 usage = report->field[i]->usage + j;
282 if (usage->type == EV_KEY &&
283 match_scancode(usage->hid, scancode) &&
284 match_keycode(usage->code, keycode))
285 return usage;
286 }
287 }
288 }
289 }
290 return NULL;
291 }
292
293 static int hidinput_getkeycode(struct input_dev *dev, int scancode,
294 int *keycode)
295 {
296 struct hid_device *hid = dev->private;
297 struct hid_usage *usage;
298
299 usage = hidinput_find_key(hid, scancode, 0);
300 if (usage) {
301 *keycode = usage->code;
302 return 0;
303 }
304 return -EINVAL;
305 }
306
307 static int hidinput_setkeycode(struct input_dev *dev, int scancode,
308 int keycode)
309 {
310 struct hid_device *hid = dev->private;
311 struct hid_usage *usage;
312 int old_keycode;
313
314 if (keycode < 0 || keycode > KEY_MAX)
315 return -EINVAL;
316
317 usage = hidinput_find_key(hid, scancode, 0);
318 if (usage) {
319 old_keycode = usage->code;
320 usage->code = keycode;
321
322 clear_bit(old_keycode, dev->keybit);
323 set_bit(usage->code, dev->keybit);
324 dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode);
325 /* Set the keybit for the old keycode if the old keycode is used
326 * by another key */
327 if (hidinput_find_key (hid, 0, old_keycode))
328 set_bit(old_keycode, dev->keybit);
329
330 return 0;
331 }
332
333 return -EINVAL;
334 }
335
336
337 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
338 struct hid_usage *usage)
339 {
340 struct input_dev *input = hidinput->input;
341 struct hid_device *device = input_get_drvdata(input);
342 int max = 0, code;
343 unsigned long *bit = NULL;
344
345 field->hidinput = hidinput;
346
347 dbg_hid("Mapping: ");
348 hid_resolv_usage(usage->hid);
349 dbg_hid_line(" ---> ");
350
351 if (field->flags & HID_MAIN_ITEM_CONSTANT)
352 goto ignore;
353
354 switch (usage->hid & HID_USAGE_PAGE) {
355
356 case HID_UP_UNDEFINED:
357 goto ignore;
358
359 case HID_UP_KEYBOARD:
360
361 set_bit(EV_REP, input->evbit);
362
363 if ((usage->hid & HID_USAGE) < 256) {
364 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
365 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
366 } else
367 map_key(KEY_UNKNOWN);
368
369 break;
370
371 case HID_UP_BUTTON:
372
373 code = ((usage->hid - 1) & 0xf);
374
375 switch (field->application) {
376 case HID_GD_MOUSE:
377 case HID_GD_POINTER: code += 0x110; break;
378 case HID_GD_JOYSTICK: code += 0x120; break;
379 case HID_GD_GAMEPAD: code += 0x130; break;
380 default:
381 switch (field->physical) {
382 case HID_GD_MOUSE:
383 case HID_GD_POINTER: code += 0x110; break;
384 case HID_GD_JOYSTICK: code += 0x120; break;
385 case HID_GD_GAMEPAD: code += 0x130; break;
386 default: code += 0x100;
387 }
388 }
389
390 /* Special handling for Logitech Cordless Desktop */
391 if (field->application != HID_GD_MOUSE) {
392 if (device->quirks & HID_QUIRK_LOGITECH_EXPANDED_KEYMAP) {
393 int hid = usage->hid & HID_USAGE;
394 if (hid < LOGITECH_EXPANDED_KEYMAP_SIZE && logitech_expanded_keymap[hid] != 0)
395 code = logitech_expanded_keymap[hid];
396 }
397 } else {
398 if (device->quirks & HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL) {
399 int hid = usage->hid & HID_USAGE;
400 if (hid == 7 || hid == 8)
401 goto ignore;
402 }
403 }
404
405 map_key(code);
406 break;
407
408
409 case HID_UP_SIMULATION:
410
411 switch (usage->hid & 0xffff) {
412 case 0xba: map_abs(ABS_RUDDER); break;
413 case 0xbb: map_abs(ABS_THROTTLE); break;
414 case 0xc4: map_abs(ABS_GAS); break;
415 case 0xc5: map_abs(ABS_BRAKE); break;
416 case 0xc8: map_abs(ABS_WHEEL); break;
417 default: goto ignore;
418 }
419 break;
420
421 case HID_UP_GENDESK:
422
423 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
424 switch (usage->hid & 0xf) {
425 case 0x1: map_key_clear(KEY_POWER); break;
426 case 0x2: map_key_clear(KEY_SLEEP); break;
427 case 0x3: map_key_clear(KEY_WAKEUP); break;
428 default: goto unknown;
429 }
430 break;
431 }
432
433 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
434 switch (usage->hid) {
435 case HID_GD_UP: usage->hat_dir = 1; break;
436 case HID_GD_DOWN: usage->hat_dir = 5; break;
437 case HID_GD_RIGHT: usage->hat_dir = 3; break;
438 case HID_GD_LEFT: usage->hat_dir = 7; break;
439 default: goto unknown;
440 }
441 if (field->dpad) {
442 map_abs(field->dpad);
443 goto ignore;
444 }
445 map_abs(ABS_HAT0X);
446 break;
447 }
448
449 switch (usage->hid) {
450
451 /* These usage IDs map directly to the usage codes. */
452 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
453 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
454 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
455 if (field->flags & HID_MAIN_ITEM_RELATIVE)
456 map_rel(usage->hid & 0xf);
457 else
458 map_abs(usage->hid & 0xf);
459 break;
460
461 case HID_GD_HATSWITCH:
462 usage->hat_min = field->logical_minimum;
463 usage->hat_max = field->logical_maximum;
464 map_abs(ABS_HAT0X);
465 break;
466
467 case HID_GD_START: map_key_clear(BTN_START); break;
468 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
469
470 default: goto unknown;
471 }
472
473 break;
474
475 case HID_UP_LED:
476
477 switch (usage->hid & 0xffff) { /* HID-Value: */
478 case 0x01: map_led (LED_NUML); break; /* "Num Lock" */
479 case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */
480 case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */
481 case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */
482 case 0x05: map_led (LED_KANA); break; /* "Kana" */
483 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */
484 case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */
485 case 0x09: map_led (LED_MUTE); break; /* "Mute" */
486 case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */
487 case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */
488 case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */
489
490 default: goto ignore;
491 }
492 break;
493
494 case HID_UP_DIGITIZER:
495
496 switch (usage->hid & 0xff) {
497
498 case 0x30: /* TipPressure */
499 if (!test_bit(BTN_TOUCH, input->keybit)) {
500 device->quirks |= HID_QUIRK_NOTOUCH;
501 set_bit(EV_KEY, input->evbit);
502 set_bit(BTN_TOUCH, input->keybit);
503 }
504
505 map_abs_clear(ABS_PRESSURE);
506 break;
507
508 case 0x32: /* InRange */
509 switch (field->physical & 0xff) {
510 case 0x21: map_key(BTN_TOOL_MOUSE); break;
511 case 0x22: map_key(BTN_TOOL_FINGER); break;
512 default: map_key(BTN_TOOL_PEN); break;
513 }
514 break;
515
516 case 0x3c: /* Invert */
517 map_key_clear(BTN_TOOL_RUBBER);
518 break;
519
520 case 0x33: /* Touch */
521 case 0x42: /* TipSwitch */
522 case 0x43: /* TipSwitch2 */
523 device->quirks &= ~HID_QUIRK_NOTOUCH;
524 map_key_clear(BTN_TOUCH);
525 break;
526
527 case 0x44: /* BarrelSwitch */
528 map_key_clear(BTN_STYLUS);
529 break;
530
531 default: goto unknown;
532 }
533 break;
534
535 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */
536
537 switch (usage->hid & HID_USAGE) {
538 case 0x000: goto ignore;
539 case 0x034: map_key_clear(KEY_SLEEP); break;
540 case 0x036: map_key_clear(BTN_MISC); break;
541 /*
542 * The next three are reported by Belkin wireless
543 * keyboard (1020:0006). These values are "reserved"
544 * in HUT 1.12.
545 */
546 case 0x03a: map_key_clear(KEY_SOUND); break;
547 case 0x03b: map_key_clear(KEY_CAMERA); break;
548 case 0x03c: map_key_clear(KEY_DOCUMENTS); break;
549
550 case 0x040: map_key_clear(KEY_MENU); break;
551 case 0x045: map_key_clear(KEY_RADIO); break;
552
553 case 0x083: map_key_clear(KEY_LAST); break;
554 case 0x088: map_key_clear(KEY_PC); break;
555 case 0x089: map_key_clear(KEY_TV); break;
556 case 0x08a: map_key_clear(KEY_WWW); break;
557 case 0x08b: map_key_clear(KEY_DVD); break;
558 case 0x08c: map_key_clear(KEY_PHONE); break;
559 case 0x08d: map_key_clear(KEY_PROGRAM); break;
560 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break;
561 case 0x08f: map_key_clear(KEY_GAMES); break;
562 case 0x090: map_key_clear(KEY_MEMO); break;
563 case 0x091: map_key_clear(KEY_CD); break;
564 case 0x092: map_key_clear(KEY_VCR); break;
565 case 0x093: map_key_clear(KEY_TUNER); break;
566 case 0x094: map_key_clear(KEY_EXIT); break;
567 case 0x095: map_key_clear(KEY_HELP); break;
568 case 0x096: map_key_clear(KEY_TAPE); break;
569 case 0x097: map_key_clear(KEY_TV2); break;
570 case 0x098: map_key_clear(KEY_SAT); break;
571 case 0x09a: map_key_clear(KEY_PVR); break;
572
573 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
574 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
575 case 0x0a0: map_key_clear(KEY_VCR2); break;
576
577 case 0x0b0: map_key_clear(KEY_PLAY); break;
578 case 0x0b1: map_key_clear(KEY_PAUSE); break;
579 case 0x0b2: map_key_clear(KEY_RECORD); break;
580 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
581 case 0x0b4: map_key_clear(KEY_REWIND); break;
582 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
583 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
584 case 0x0b7: map_key_clear(KEY_STOPCD); break;
585 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
586
587 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
588 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
589 case 0x0e2: map_key_clear(KEY_MUTE); break;
590 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
591 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
592 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
593
594 /* reserved in HUT 1.12. Reported on Petalynx remote */
595 case 0x0f6: map_key_clear(KEY_NEXT); break;
596 case 0x0fa: map_key_clear(KEY_BACK); break;
597
598 case 0x183: map_key_clear(KEY_CONFIG); break;
599 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break;
600 case 0x185: map_key_clear(KEY_EDITOR); break;
601 case 0x186: map_key_clear(KEY_SPREADSHEET); break;
602 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break;
603 case 0x188: map_key_clear(KEY_PRESENTATION); break;
604 case 0x189: map_key_clear(KEY_DATABASE); break;
605 case 0x18a: map_key_clear(KEY_MAIL); break;
606 case 0x18b: map_key_clear(KEY_NEWS); break;
607 case 0x18c: map_key_clear(KEY_VOICEMAIL); break;
608 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break;
609 case 0x18e: map_key_clear(KEY_CALENDAR); break;
610 case 0x191: map_key_clear(KEY_FINANCE); break;
611 case 0x192: map_key_clear(KEY_CALC); break;
612 case 0x194: map_key_clear(KEY_FILE); break;
613 case 0x196: map_key_clear(KEY_WWW); break;
614 case 0x19e: map_key_clear(KEY_COFFEE); break;
615 case 0x1a6: map_key_clear(KEY_HELP); break;
616 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
617 case 0x1bc: map_key_clear(KEY_MESSENGER); break;
618 case 0x1bd: map_key_clear(KEY_INFO); break;
619 case 0x201: map_key_clear(KEY_NEW); break;
620 case 0x202: map_key_clear(KEY_OPEN); break;
621 case 0x203: map_key_clear(KEY_CLOSE); break;
622 case 0x204: map_key_clear(KEY_EXIT); break;
623 case 0x207: map_key_clear(KEY_SAVE); break;
624 case 0x208: map_key_clear(KEY_PRINT); break;
625 case 0x209: map_key_clear(KEY_PROPS); break;
626 case 0x21a: map_key_clear(KEY_UNDO); break;
627 case 0x21b: map_key_clear(KEY_COPY); break;
628 case 0x21c: map_key_clear(KEY_CUT); break;
629 case 0x21d: map_key_clear(KEY_PASTE); break;
630 case 0x21f: map_key_clear(KEY_FIND); break;
631 case 0x221: map_key_clear(KEY_SEARCH); break;
632 case 0x222: map_key_clear(KEY_GOTO); break;
633 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
634 case 0x224: map_key_clear(KEY_BACK); break;
635 case 0x225: map_key_clear(KEY_FORWARD); break;
636 case 0x226: map_key_clear(KEY_STOP); break;
637 case 0x227: map_key_clear(KEY_REFRESH); break;
638 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
639 case 0x22d: map_key_clear(KEY_ZOOMIN); break;
640 case 0x22e: map_key_clear(KEY_ZOOMOUT); break;
641 case 0x22f: map_key_clear(KEY_ZOOMRESET); break;
642 case 0x233: map_key_clear(KEY_SCROLLUP); break;
643 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
644 case 0x238: map_rel(REL_HWHEEL); break;
645 case 0x25f: map_key_clear(KEY_CANCEL); break;
646 case 0x279: map_key_clear(KEY_REDO); break;
647
648 case 0x289: map_key_clear(KEY_REPLY); break;
649 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
650 case 0x28c: map_key_clear(KEY_SEND); break;
651
652 /* Reported on a Cherry Cymotion keyboard */
653 case 0x301: map_key_clear(KEY_PROG1); break;
654 case 0x302: map_key_clear(KEY_PROG2); break;
655 case 0x303: map_key_clear(KEY_PROG3); break;
656
657 /* Reported on certain Logitech wireless keyboards */
658 case 0x1001: map_key_clear(KEY_MESSENGER); break;
659 case 0x1003: map_key_clear(KEY_SOUND); break;
660 case 0x1004: map_key_clear(KEY_VIDEO); break;
661 case 0x1005: map_key_clear(KEY_AUDIO); break;
662 case 0x100a: map_key_clear(KEY_DOCUMENTS); break;
663 case 0x1011: map_key_clear(KEY_PREVIOUSSONG); break;
664 case 0x1012: map_key_clear(KEY_NEXTSONG); break;
665 case 0x1013: map_key_clear(KEY_CAMERA); break;
666 case 0x1014: map_key_clear(KEY_MESSENGER); break;
667 case 0x1015: map_key_clear(KEY_RECORD); break;
668 case 0x1016: map_key_clear(KEY_PLAYER); break;
669 case 0x1017: map_key_clear(KEY_EJECTCD); break;
670 case 0x1018: map_key_clear(KEY_MEDIA); break;
671 case 0x1019: map_key_clear(KEY_PROG1); break;
672 case 0x101a: map_key_clear(KEY_PROG2); break;
673 case 0x101b: map_key_clear(KEY_PROG3); break;
674 case 0x101f: map_key_clear(KEY_ZOOMIN); break;
675 case 0x1020: map_key_clear(KEY_ZOOMOUT); break;
676 case 0x1021: map_key_clear(KEY_ZOOMRESET); break;
677 case 0x1023: map_key_clear(KEY_CLOSE); break;
678 case 0x1027: map_key_clear(KEY_MENU); break;
679 /* this one is marked as 'Rotate' */
680 case 0x1028: map_key_clear(KEY_ANGLE); break;
681 case 0x1029: map_key_clear(KEY_SHUFFLE); break;
682 case 0x102a: map_key_clear(KEY_BACK); break;
683 case 0x102b: map_key_clear(KEY_CYCLEWINDOWS); break;
684 case 0x1041: map_key_clear(KEY_BATTERY); break;
685 case 0x1042: map_key_clear(KEY_WORDPROCESSOR); break;
686 case 0x1043: map_key_clear(KEY_SPREADSHEET); break;
687 case 0x1044: map_key_clear(KEY_PRESENTATION); break;
688 case 0x1045: map_key_clear(KEY_UNDO); break;
689 case 0x1046: map_key_clear(KEY_REDO); break;
690 case 0x1047: map_key_clear(KEY_PRINT); break;
691 case 0x1048: map_key_clear(KEY_SAVE); break;
692 case 0x1049: map_key_clear(KEY_PROG1); break;
693 case 0x104a: map_key_clear(KEY_PROG2); break;
694 case 0x104b: map_key_clear(KEY_PROG3); break;
695 case 0x104c: map_key_clear(KEY_PROG4); break;
696
697 default: goto ignore;
698 }
699 break;
700
701 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
702
703 set_bit(EV_REP, input->evbit);
704 switch (usage->hid & HID_USAGE) {
705 case 0x021: map_key_clear(KEY_PRINT); break;
706 case 0x070: map_key_clear(KEY_HP); break;
707 case 0x071: map_key_clear(KEY_CAMERA); break;
708 case 0x072: map_key_clear(KEY_SOUND); break;
709 case 0x073: map_key_clear(KEY_QUESTION); break;
710 case 0x080: map_key_clear(KEY_EMAIL); break;
711 case 0x081: map_key_clear(KEY_CHAT); break;
712 case 0x082: map_key_clear(KEY_SEARCH); break;
713 case 0x083: map_key_clear(KEY_CONNECT); break;
714 case 0x084: map_key_clear(KEY_FINANCE); break;
715 case 0x085: map_key_clear(KEY_SPORT); break;
716 case 0x086: map_key_clear(KEY_SHOP); break;
717 default: goto ignore;
718 }
719 break;
720
721 case HID_UP_MSVENDOR:
722
723 /* special case - Chicony Chicony KU-0418 tactical pad */
724 if (device->vendor == 0x04f2 && device->product == 0x0418) {
725 set_bit(EV_REP, input->evbit);
726 switch(usage->hid & HID_USAGE) {
727 case 0xff01: map_key_clear(BTN_1); break;
728 case 0xff02: map_key_clear(BTN_2); break;
729 case 0xff03: map_key_clear(BTN_3); break;
730 case 0xff04: map_key_clear(BTN_4); break;
731 case 0xff05: map_key_clear(BTN_5); break;
732 case 0xff06: map_key_clear(BTN_6); break;
733 case 0xff07: map_key_clear(BTN_7); break;
734 case 0xff08: map_key_clear(BTN_8); break;
735 case 0xff09: map_key_clear(BTN_9); break;
736 case 0xff0a: map_key_clear(BTN_A); break;
737 case 0xff0b: map_key_clear(BTN_B); break;
738 default: goto ignore;
739 }
740 } else {
741 goto ignore;
742 }
743 break;
744
745 case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */
746
747 set_bit(EV_REP, input->evbit);
748 switch(usage->hid & HID_USAGE) {
749 case 0x003:
750 /* The fn key on Apple PowerBooks */
751 map_key_clear(KEY_FN);
752 hidinput_pb_setup(input);
753 break;
754
755 default: goto ignore;
756 }
757 break;
758
759 case HID_UP_LOGIVENDOR:
760 set_bit(EV_REP, input->evbit);
761 switch(usage->hid & HID_USAGE) {
762 /* Reported on Logitech Ultra X Media Remote */
763 case 0x004: map_key_clear(KEY_AGAIN); break;
764 case 0x00d: map_key_clear(KEY_HOME); break;
765 case 0x024: map_key_clear(KEY_SHUFFLE); break;
766 case 0x025: map_key_clear(KEY_TV); break;
767 case 0x026: map_key_clear(KEY_MENU); break;
768 case 0x031: map_key_clear(KEY_AUDIO); break;
769 case 0x032: map_key_clear(KEY_TEXT); break;
770 case 0x033: map_key_clear(KEY_LAST); break;
771 case 0x047: map_key_clear(KEY_MP3); break;
772 case 0x048: map_key_clear(KEY_DVD); break;
773 case 0x049: map_key_clear(KEY_MEDIA); break;
774 case 0x04a: map_key_clear(KEY_VIDEO); break;
775 case 0x04b: map_key_clear(KEY_ANGLE); break;
776 case 0x04c: map_key_clear(KEY_LANGUAGE); break;
777 case 0x04d: map_key_clear(KEY_SUBTITLE); break;
778 case 0x051: map_key_clear(KEY_RED); break;
779 case 0x052: map_key_clear(KEY_CLOSE); break;
780
781 /* Reported on Petalynx Maxter remote */
782 case 0x05a: map_key_clear(KEY_TEXT); break;
783 case 0x05b: map_key_clear(KEY_RED); break;
784 case 0x05c: map_key_clear(KEY_GREEN); break;
785 case 0x05d: map_key_clear(KEY_YELLOW); break;
786 case 0x05e: map_key_clear(KEY_BLUE); break;
787
788 default: goto ignore;
789 }
790 break;
791
792 case HID_UP_PID:
793
794 switch(usage->hid & HID_USAGE) {
795 case 0xa4: map_key_clear(BTN_DEAD); break;
796 default: goto ignore;
797 }
798 break;
799
800 default:
801 unknown:
802 if (field->report_size == 1) {
803 if (field->report->type == HID_OUTPUT_REPORT) {
804 map_led(LED_MISC);
805 break;
806 }
807 map_key(BTN_MISC);
808 break;
809 }
810 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
811 map_rel(REL_MISC);
812 break;
813 }
814 map_abs(ABS_MISC);
815 break;
816 }
817
818 if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
819 if (usage->hid == HID_GD_Z)
820 map_rel(REL_HWHEEL);
821 else if (usage->code == BTN_1)
822 map_key(BTN_2);
823 else if (usage->code == BTN_2)
824 map_key(BTN_1);
825 }
826
827 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
828 (usage->type == EV_REL) && (usage->code == REL_WHEEL))
829 set_bit(REL_HWHEEL, bit);
830
831 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
832 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
833 goto ignore;
834
835 if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) &&
836 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE))
837 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
838
839 set_bit(usage->type, input->evbit);
840
841 if (device->quirks & HID_QUIRK_DUPLICATE_USAGES &&
842 (usage->type == EV_KEY ||
843 usage->type == EV_REL ||
844 usage->type == EV_ABS))
845 clear_bit(usage->code, bit);
846
847 while (usage->code <= max && test_and_set_bit(usage->code, bit))
848 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
849
850 if (usage->code > max)
851 goto ignore;
852
853
854 if (usage->type == EV_ABS) {
855
856 int a = field->logical_minimum;
857 int b = field->logical_maximum;
858
859 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
860 a = field->logical_minimum = 0;
861 b = field->logical_maximum = 255;
862 }
863
864 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
865 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
866 else input_set_abs_params(input, usage->code, a, b, 0, 0);
867
868 }
869
870 if (usage->type == EV_ABS &&
871 (usage->hat_min < usage->hat_max || usage->hat_dir)) {
872 int i;
873 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
874 input_set_abs_params(input, i, -1, 1, 0, 0);
875 set_bit(i, input->absbit);
876 }
877 if (usage->hat_dir && !field->dpad)
878 field->dpad = usage->code;
879 }
880
881 /* for those devices which produce Consumer volume usage as relative,
882 * we emulate pressing volumeup/volumedown appropriate number of times
883 * in hidinput_hid_event()
884 */
885 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
886 (usage->code == ABS_VOLUME)) {
887 set_bit(KEY_VOLUMEUP, input->keybit);
888 set_bit(KEY_VOLUMEDOWN, input->keybit);
889 }
890
891 hid_resolv_event(usage->type, usage->code);
892
893 dbg_hid_line("\n");
894
895 return;
896
897 ignore:
898 dbg_hid_line("IGNORED\n");
899 return;
900 }
901
902 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
903 {
904 struct input_dev *input;
905 int *quirks = &hid->quirks;
906
907 if (!field->hidinput)
908 return;
909
910 input = field->hidinput->input;
911
912 if (!usage->type)
913 return;
914
915 if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
916 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
917 if (value) hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
918 else hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
919 return;
920 }
921
922 if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
923 input_event(input, usage->type, usage->code, -value);
924 return;
925 }
926
927 if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
928 input_event(input, usage->type, REL_HWHEEL, value);
929 return;
930 }
931
932 if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value))
933 return;
934
935 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
936 int hat_dir = usage->hat_dir;
937 if (!hat_dir)
938 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
939 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
940 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
941 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
942 return;
943 }
944
945 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
946 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
947 return;
948 }
949
950 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
951 if (value) {
952 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
953 return;
954 }
955 input_event(input, usage->type, usage->code, 0);
956 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
957 return;
958 }
959
960 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
961 int a = field->logical_minimum;
962 int b = field->logical_maximum;
963 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
964 }
965
966 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
967 dbg_hid("Maximum Effects - %d\n",value);
968 return;
969 }
970
971 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
972 dbg_hid("PID Pool Report\n");
973 return;
974 }
975
976 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
977 return;
978
979 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
980 (usage->code == ABS_VOLUME)) {
981 int count = abs(value);
982 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
983 int i;
984
985 for (i = 0; i < count; i++) {
986 input_event(input, EV_KEY, direction, 1);
987 input_sync(input);
988 input_event(input, EV_KEY, direction, 0);
989 input_sync(input);
990 }
991 return;
992 }
993
994 input_event(input, usage->type, usage->code, value);
995
996 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
997 input_event(input, usage->type, usage->code, 0);
998 }
999
1000 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
1001 {
1002 struct hid_input *hidinput;
1003
1004 list_for_each_entry(hidinput, &hid->inputs, list)
1005 input_sync(hidinput->input);
1006 }
1007 EXPORT_SYMBOL_GPL(hidinput_report_event);
1008
1009 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
1010 {
1011 struct hid_report *report;
1012 int i, j;
1013
1014 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
1015 for (i = 0; i < report->maxfield; i++) {
1016 *field = report->field[i];
1017 for (j = 0; j < (*field)->maxusage; j++)
1018 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
1019 return j;
1020 }
1021 }
1022 return -1;
1023 }
1024 EXPORT_SYMBOL_GPL(hidinput_find_field);
1025
1026 static int hidinput_open(struct input_dev *dev)
1027 {
1028 struct hid_device *hid = input_get_drvdata(dev);
1029
1030 return hid->hid_open(hid);
1031 }
1032
1033 static void hidinput_close(struct input_dev *dev)
1034 {
1035 struct hid_device *hid = input_get_drvdata(dev);
1036
1037 hid->hid_close(hid);
1038 }
1039
1040 /*
1041 * Register the input device; print a message.
1042 * Configure the input layer interface
1043 * Read all reports and initialize the absolute field values.
1044 */
1045
1046 int hidinput_connect(struct hid_device *hid)
1047 {
1048 struct hid_report *report;
1049 struct hid_input *hidinput = NULL;
1050 struct input_dev *input_dev;
1051 int i, j, k;
1052 int max_report_type = HID_OUTPUT_REPORT;
1053
1054 INIT_LIST_HEAD(&hid->inputs);
1055
1056 for (i = 0; i < hid->maxcollection; i++)
1057 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
1058 hid->collection[i].type == HID_COLLECTION_PHYSICAL)
1059 if (IS_INPUT_APPLICATION(hid->collection[i].usage))
1060 break;
1061
1062 if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDINPUT) == 0)
1063 return -1;
1064
1065 if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
1066 max_report_type = HID_INPUT_REPORT;
1067
1068 for (k = HID_INPUT_REPORT; k <= max_report_type; k++)
1069 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
1070
1071 if (!report->maxfield)
1072 continue;
1073
1074 if (!hidinput) {
1075 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
1076 input_dev = input_allocate_device();
1077 if (!hidinput || !input_dev) {
1078 kfree(hidinput);
1079 input_free_device(input_dev);
1080 err_hid("Out of memory during hid input probe");
1081 return -1;
1082 }
1083
1084 input_set_drvdata(input_dev, hid);
1085 input_dev->event = hid->hidinput_input_event;
1086 input_dev->open = hidinput_open;
1087 input_dev->close = hidinput_close;
1088 input_dev->setkeycode = hidinput_setkeycode;
1089 input_dev->getkeycode = hidinput_getkeycode;
1090
1091 input_dev->name = hid->name;
1092 input_dev->phys = hid->phys;
1093 input_dev->uniq = hid->uniq;
1094 input_dev->id.bustype = hid->bus;
1095 input_dev->id.vendor = hid->vendor;
1096 input_dev->id.product = hid->product;
1097 input_dev->id.version = hid->version;
1098 input_dev->dev.parent = hid->dev;
1099 hidinput->input = input_dev;
1100 list_add_tail(&hidinput->list, &hid->inputs);
1101 }
1102
1103 for (i = 0; i < report->maxfield; i++)
1104 for (j = 0; j < report->field[i]->maxusage; j++)
1105 hidinput_configure_usage(hidinput, report->field[i],
1106 report->field[i]->usage + j);
1107
1108 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
1109 /* This will leave hidinput NULL, so that it
1110 * allocates another one if we have more inputs on
1111 * the same interface. Some devices (e.g. Happ's
1112 * UGCI) cram a lot of unrelated inputs into the
1113 * same interface. */
1114 hidinput->report = report;
1115 input_register_device(hidinput->input);
1116 hidinput = NULL;
1117 }
1118 }
1119
1120 if (hidinput)
1121 input_register_device(hidinput->input);
1122
1123 return 0;
1124 }
1125 EXPORT_SYMBOL_GPL(hidinput_connect);
1126
1127 void hidinput_disconnect(struct hid_device *hid)
1128 {
1129 struct hid_input *hidinput, *next;
1130
1131 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
1132 list_del(&hidinput->list);
1133 input_unregister_device(hidinput->input);
1134 kfree(hidinput);
1135 }
1136 }
1137 EXPORT_SYMBOL_GPL(hidinput_disconnect);
1138
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