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Merge git://git.infradead.org/~dedekind/ubi-2.6
[deliverable/linux.git] / drivers / hid / hid-input.c
CommitLineData
dde5845a
JK		 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
b55fd23c 5 * Copyright (c) 2006-2007 Jiri Kosina
dde5845a
JK		 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>
dde5845a 33
dde5845a 34#include <linux/hid.h>
c080d89a 35#include <linux/hid-debug.h>
dde5845a 36
81e1a875
MD		 37static int hid_apple_fnmode = 1;
38module_param_named(pb_fnmode, hid_apple_fnmode, int, 0644);
76398f96 39MODULE_PARM_DESC(pb_fnmode,
81e1a875 40 "Mode of fn key on Apple keyboards (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
76398f96 41
dde5845a
JK		 42#define unk KEY_UNKNOWN
43
44static 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,
1fe8736d 56 unk,unk,unk,unk,unk,unk,179,180,unk,unk,unk,unk,unk,unk,unk,unk,
dde5845a
JK		 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
5f9c464a
RD		 63/* extended mapping for certain Logitech hardware (Logitech cordless desktop LX500) */
64#define LOGITECH_EXPANDED_KEYMAP_SIZE 80
65static 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
dde5845a
JK		 76static 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
91struct hidinput_key_translation {
92 u16 from;
93 u16 to;
94 u8 flags;
95};
96
81e1a875 97#define APPLE_FLAG_FKEY 0x01
dde5845a 98
a45d82d1
MD		 99static struct hidinput_key_translation apple_fn_keys[] = {
100 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
101 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
102 { KEY_F3, KEY_CYCLEWINDOWS, APPLE_FLAG_FKEY }, /* Exposé */
103 { KEY_F4, KEY_FN_F4, APPLE_FLAG_FKEY }, /* Dashboard */
104 { KEY_F5, KEY_FN_F5 },
105 { KEY_F6, KEY_FN_F6 },
106 { KEY_F7, KEY_BACK, APPLE_FLAG_FKEY },
107 { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY },
108 { KEY_F9, KEY_FORWARD, APPLE_FLAG_FKEY },
109 { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY },
110 { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
111 { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
112 { }
113};
114
dde5845a
JK		 115static struct hidinput_key_translation powerbook_fn_keys[] = {
116 { KEY_BACKSPACE, KEY_DELETE },
81e1a875
MD		 117 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
118 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
119 { KEY_F3, KEY_MUTE, APPLE_FLAG_FKEY },
120 { KEY_F4, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
121 { KEY_F5, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
122 { KEY_F6, KEY_NUMLOCK, APPLE_FLAG_FKEY },
123 { KEY_F7, KEY_SWITCHVIDEOMODE, APPLE_FLAG_FKEY },
124 { KEY_F8, KEY_KBDILLUMTOGGLE, APPLE_FLAG_FKEY },
125 { KEY_F9, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY },
126 { KEY_F10, KEY_KBDILLUMUP, APPLE_FLAG_FKEY },
dde5845a
JK		 127 { KEY_UP, KEY_PAGEUP },
128 { KEY_DOWN, KEY_PAGEDOWN },
129 { KEY_LEFT, KEY_HOME },
130 { KEY_RIGHT, KEY_END },
131 { }
132};
133
134static struct hidinput_key_translation powerbook_numlock_keys[] = {
135 { KEY_J, KEY_KP1 },
136 { KEY_K, KEY_KP2 },
137 { KEY_L, KEY_KP3 },
138 { KEY_U, KEY_KP4 },
139 { KEY_I, KEY_KP5 },
140 { KEY_O, KEY_KP6 },
141 { KEY_7, KEY_KP7 },
142 { KEY_8, KEY_KP8 },
143 { KEY_9, KEY_KP9 },
144 { KEY_M, KEY_KP0 },
145 { KEY_DOT, KEY_KPDOT },
146 { KEY_SLASH, KEY_KPPLUS },
147 { KEY_SEMICOLON, KEY_KPMINUS },
148 { KEY_P, KEY_KPASTERISK },
149 { KEY_MINUS, KEY_KPEQUAL },
150 { KEY_0, KEY_KPSLASH },
151 { KEY_F6, KEY_NUMLOCK },
152 { KEY_KPENTER, KEY_KPENTER },
153 { KEY_BACKSPACE, KEY_BACKSPACE },
154 { }
155};
156
81e1a875 157static struct hidinput_key_translation apple_iso_keyboard[] = {
dde5845a
JK		 158 { KEY_GRAVE, KEY_102ND },
159 { KEY_102ND, KEY_GRAVE },
160 { }
161};
162
dde5845a
JK		 163static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
164{
165 struct hidinput_key_translation *trans;
166
167 /* Look for the translation */
168 for (trans = table; trans->from; trans++)
169 if (trans->from == from)
170 return trans;
171
172 return NULL;
173}
174
87bc2aa9 175int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
dde5845a
JK		 176 struct hid_usage *usage, __s32 value)
177{
178 struct hidinput_key_translation *trans;
179
180 if (usage->code == KEY_FN) {
81e1a875
MD		 181 if (value) hid->quirks |= HID_QUIRK_APPLE_FN_ON;
182 else hid->quirks &= ~HID_QUIRK_APPLE_FN_ON;
dde5845a
JK		 183
184 input_event(input, usage->type, usage->code, value);
185
186 return 1;
187 }
188
81e1a875 189 if (hid_apple_fnmode) {
dde5845a
JK		 190 int do_translate;
191
a45d82d1
MD		 192 trans = find_translation((hid->product < 0x220 ||
193 hid->product >= 0x300) ?
194 powerbook_fn_keys : apple_fn_keys,
195 usage->code);
dde5845a 196 if (trans) {
81e1a875 197 if (test_bit(usage->code, hid->apple_pressed_fn))
dde5845a 198 do_translate = 1;
81e1a875 199 else if (trans->flags & APPLE_FLAG_FKEY)
dde5845a 200 do_translate =
81e1a875
MD		 201 (hid_apple_fnmode == 2 && (hid->quirks & HID_QUIRK_APPLE_FN_ON)) ||
202 (hid_apple_fnmode == 1 && !(hid->quirks & HID_QUIRK_APPLE_FN_ON));
dde5845a 203 else
81e1a875 204 do_translate = (hid->quirks & HID_QUIRK_APPLE_FN_ON);
dde5845a
JK		 205
206 if (do_translate) {
207 if (value)
81e1a875 208 set_bit(usage->code, hid->apple_pressed_fn);
dde5845a 209 else
81e1a875 210 clear_bit(usage->code, hid->apple_pressed_fn);
dde5845a
JK		 211
212 input_event(input, usage->type, trans->to, value);
213
214 return 1;
215 }
216 }
217
218 if (test_bit(usage->code, hid->pb_pressed_numlock) ||
219 test_bit(LED_NUML, input->led)) {
220 trans = find_translation(powerbook_numlock_keys, usage->code);
221
222 if (trans) {
223 if (value)
224 set_bit(usage->code, hid->pb_pressed_numlock);
225 else
226 clear_bit(usage->code, hid->pb_pressed_numlock);
227
228 input_event(input, usage->type, trans->to, value);
229 }
230
231 return 1;
232 }
233 }
234
81e1a875
MD		 235 if (hid->quirks & HID_QUIRK_APPLE_ISO_KEYBOARD) {
236 trans = find_translation(apple_iso_keyboard, usage->code);
dde5845a
JK		 237 if (trans) {
238 input_event(input, usage->type, trans->to, value);
239 return 1;
240 }
241 }
242
243 return 0;
244}
245
81e1a875 246static void hidinput_apple_setup(struct input_dev *input)
dde5845a
JK		 247{
248 struct hidinput_key_translation *trans;
249
250 set_bit(KEY_NUMLOCK, input->keybit);
251
252 /* Enable all needed keys */
a45d82d1
MD		 253 for (trans = apple_fn_keys; trans->from; trans++)
254 set_bit(trans->to, input->keybit);
255
dde5845a
JK		 256 for (trans = powerbook_fn_keys; trans->from; trans++)
257 set_bit(trans->to, input->keybit);
258
259 for (trans = powerbook_numlock_keys; trans->from; trans++)
260 set_bit(trans->to, input->keybit);
261
81e1a875 262 for (trans = apple_iso_keyboard; trans->from; trans++)
dde5845a
JK		 263 set_bit(trans->to, input->keybit);
264
265}
266#else
87bc2aa9 267inline int hidinput_apple_event(struct hid_device *hid,
81e1a875
MD		 268 struct input_dev *input,
269 struct hid_usage *usage, __s32 value)
dde5845a
JK		 270{
271 return 0;
272}
273
81e1a875 274static inline void hidinput_apple_setup(struct input_dev *input)
dde5845a
JK		 275{
276}
277#endif
278
fe7ba31f
MR		 279static inline int match_scancode(int code, int scancode)
280{
281 if (scancode == 0)
282 return 1;
283 return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode);
284}
285
286static inline int match_keycode(int code, int keycode)
287{
288 if (keycode == 0)
289 return 1;
290 return (code == keycode);
291}
292
293static struct hid_usage *hidinput_find_key(struct hid_device *hid,
294 int scancode, int keycode)
295{
296 int i, j, k;
297 struct hid_report *report;
298 struct hid_usage *usage;
299
300 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
301 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
302 for (i = 0; i < report->maxfield; i++) {
303 for ( j = 0; j < report->field[i]->maxusage; j++) {
304 usage = report->field[i]->usage + j;
305 if (usage->type == EV_KEY &&
306 match_scancode(usage->hid, scancode) &&
307 match_keycode(usage->code, keycode))
308 return usage;
309 }
310 }
311 }
312 }
313 return NULL;
314}
315
316static int hidinput_getkeycode(struct input_dev *dev, int scancode,
317 int *keycode)
318{
f202df60 319 struct hid_device *hid = input_get_drvdata(dev);
fe7ba31f 320 struct hid_usage *usage;
77b29662 321
fe7ba31f
MR		 322 usage = hidinput_find_key(hid, scancode, 0);
323 if (usage) {
324 *keycode = usage->code;
325 return 0;
326 }
327 return -EINVAL;
328}
329
330static int hidinput_setkeycode(struct input_dev *dev, int scancode,
331 int keycode)
332{
f202df60 333 struct hid_device *hid = input_get_drvdata(dev);
fe7ba31f
MR		 334 struct hid_usage *usage;
335 int old_keycode;
77b29662 336
fe7ba31f
MR		 337 if (keycode < 0 || keycode > KEY_MAX)
338 return -EINVAL;
77b29662 339
fe7ba31f
MR		 340 usage = hidinput_find_key(hid, scancode, 0);
341 if (usage) {
342 old_keycode = usage->code;
343 usage->code = keycode;
77b29662 344
fe7ba31f
MR		 345 clear_bit(old_keycode, dev->keybit);
346 set_bit(usage->code, dev->keybit);
58037eb9 347 dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode);
fe7ba31f
MR		 348 /* Set the keybit for the old keycode if the old keycode is used
349 * by another key */
350 if (hidinput_find_key (hid, 0, old_keycode))
351 set_bit(old_keycode, dev->keybit);
77b29662 352
fe7ba31f
MR		 353 return 0;
354 }
77b29662 355
fe7ba31f
MR		 356 return -EINVAL;
357}
358
359
dde5845a
JK		 360static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
361 struct hid_usage *usage)
362{
363 struct input_dev *input = hidinput->input;
e0712985 364 struct hid_device *device = input_get_drvdata(input);
10bd065f 365 int max = 0, code, ret;
dde5845a
JK		 366 unsigned long *bit = NULL;
367
368 field->hidinput = hidinput;
369
58037eb9 370 dbg_hid("Mapping: ");
c080d89a 371 hid_resolv_usage(usage->hid);
58037eb9 372 dbg_hid_line(" ---> ");
dde5845a
JK		 373
374 if (field->flags & HID_MAIN_ITEM_CONSTANT)
375 goto ignore;
376
82eb1219
JK		 377 /* only LED usages are supported in output fields */
378 if (field->report_type == HID_OUTPUT_REPORT &&
379 (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
380 dbg_hid_line(" [non-LED output field] ");
381 goto ignore;
382 }
383
87bc2aa9 384 /* handle input mappings for quirky devices */
70d215c4 385 ret = hidinput_mapping_quirks(usage, input, &bit, &max);
10bd065f
JK		 386 if (ret)
387 goto mapped;
388
dde5845a
JK		 389 switch (usage->hid & HID_USAGE_PAGE) {
390
391 case HID_UP_UNDEFINED:
392 goto ignore;
393
394 case HID_UP_KEYBOARD:
395
396 set_bit(EV_REP, input->evbit);
397
398 if ((usage->hid & HID_USAGE) < 256) {
399 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
400 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
401 } else
402 map_key(KEY_UNKNOWN);
403
404 break;
405
406 case HID_UP_BUTTON:
407
408 code = ((usage->hid - 1) & 0xf);
409
410 switch (field->application) {
411 case HID_GD_MOUSE:
412 case HID_GD_POINTER: code += 0x110; break;
413 case HID_GD_JOYSTICK: code += 0x120; break;
414 case HID_GD_GAMEPAD: code += 0x130; break;
415 default:
416 switch (field->physical) {
417 case HID_GD_MOUSE:
418 case HID_GD_POINTER: code += 0x110; break;
419 case HID_GD_JOYSTICK: code += 0x120; break;
420 case HID_GD_GAMEPAD: code += 0x130; break;
421 default: code += 0x100;
422 }
423 }
424
5f9c464a
RD		 425 /* Special handling for Logitech Cordless Desktop */
426 if (field->application != HID_GD_MOUSE) {
427 if (device->quirks & HID_QUIRK_LOGITECH_EXPANDED_KEYMAP) {
428 int hid = usage->hid & HID_USAGE;
429 if (hid < LOGITECH_EXPANDED_KEYMAP_SIZE && logitech_expanded_keymap[hid] != 0)
430 code = logitech_expanded_keymap[hid];
431 }
432 } else {
433 if (device->quirks & HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL) {
434 int hid = usage->hid & HID_USAGE;
435 if (hid == 7 || hid == 8)
436 goto ignore;
437 }
438 }
439
25914662 440 map_key(code);
dde5845a
JK		 441 break;
442
443
444 case HID_UP_SIMULATION:
445
446 switch (usage->hid & 0xffff) {
447 case 0xba: map_abs(ABS_RUDDER); break;
448 case 0xbb: map_abs(ABS_THROTTLE); break;
449 case 0xc4: map_abs(ABS_GAS); break;
450 case 0xc5: map_abs(ABS_BRAKE); break;
451 case 0xc8: map_abs(ABS_WHEEL); break;
452 default: goto ignore;
453 }
454 break;
455
456 case HID_UP_GENDESK:
457
458 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
459 switch (usage->hid & 0xf) {
460 case 0x1: map_key_clear(KEY_POWER); break;
461 case 0x2: map_key_clear(KEY_SLEEP); break;
462 case 0x3: map_key_clear(KEY_WAKEUP); break;
463 default: goto unknown;
464 }
465 break;
466 }
467
468 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
469 switch (usage->hid) {
470 case HID_GD_UP: usage->hat_dir = 1; break;
471 case HID_GD_DOWN: usage->hat_dir = 5; break;
472 case HID_GD_RIGHT: usage->hat_dir = 3; break;
473 case HID_GD_LEFT: usage->hat_dir = 7; break;
474 default: goto unknown;
475 }
476 if (field->dpad) {
477 map_abs(field->dpad);
478 goto ignore;
479 }
480 map_abs(ABS_HAT0X);
481 break;
482 }
483
484 switch (usage->hid) {
485
486 /* These usage IDs map directly to the usage codes. */
487 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
488 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
489 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
490 if (field->flags & HID_MAIN_ITEM_RELATIVE)
25914662 491 map_rel(usage->hid & 0xf);
dde5845a 492 else
25914662 493 map_abs(usage->hid & 0xf);
dde5845a
JK		 494 break;
495
496 case HID_GD_HATSWITCH:
497 usage->hat_min = field->logical_minimum;
498 usage->hat_max = field->logical_maximum;
499 map_abs(ABS_HAT0X);
500 break;
501
502 case HID_GD_START: map_key_clear(BTN_START); break;
503 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
504
505 default: goto unknown;
506 }
507
508 break;
509
510 case HID_UP_LED:
d4ae650a
SB		 511
512 switch (usage->hid & 0xffff) { /* HID-Value: */
513 case 0x01: map_led (LED_NUML); break; /* "Num Lock" */
514 case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */
515 case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */
516 case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */
517 case 0x05: map_led (LED_KANA); break; /* "Kana" */
518 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */
519 case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */
520 case 0x09: map_led (LED_MUTE); break; /* "Mute" */
521 case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */
522 case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */
523 case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */
524
525 default: goto ignore;
526 }
dde5845a
JK		 527 break;
528
529 case HID_UP_DIGITIZER:
530
531 switch (usage->hid & 0xff) {
532
533 case 0x30: /* TipPressure */
534 if (!test_bit(BTN_TOUCH, input->keybit)) {
535 device->quirks |= HID_QUIRK_NOTOUCH;
536 set_bit(EV_KEY, input->evbit);
537 set_bit(BTN_TOUCH, input->keybit);
538 }
539
540 map_abs_clear(ABS_PRESSURE);
541 break;
542
543 case 0x32: /* InRange */
544 switch (field->physical & 0xff) {
545 case 0x21: map_key(BTN_TOOL_MOUSE); break;
546 case 0x22: map_key(BTN_TOOL_FINGER); break;
547 default: map_key(BTN_TOOL_PEN); break;
548 }
549 break;
550
551 case 0x3c: /* Invert */
552 map_key_clear(BTN_TOOL_RUBBER);
553 break;
554
555 case 0x33: /* Touch */
556 case 0x42: /* TipSwitch */
557 case 0x43: /* TipSwitch2 */
558 device->quirks &= ~HID_QUIRK_NOTOUCH;
559 map_key_clear(BTN_TOUCH);
560 break;
561
562 case 0x44: /* BarrelSwitch */
563 map_key_clear(BTN_STYLUS);
564 break;
565
566 default: goto unknown;
567 }
568 break;
569
570 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */
571
572 switch (usage->hid & HID_USAGE) {
573 case 0x000: goto ignore;
574 case 0x034: map_key_clear(KEY_SLEEP); break;
575 case 0x036: map_key_clear(BTN_MISC); break;
daa0bc90 576
1c1e40b5 577 case 0x040: map_key_clear(KEY_MENU); break;
dde5845a 578 case 0x045: map_key_clear(KEY_RADIO); break;
1c1e40b5 579
8eda232e 580 case 0x083: map_key_clear(KEY_LAST); break;
1c1e40b5
FF		 581 case 0x088: map_key_clear(KEY_PC); break;
582 case 0x089: map_key_clear(KEY_TV); break;
dde5845a 583 case 0x08a: map_key_clear(KEY_WWW); break;
1c1e40b5
FF		 584 case 0x08b: map_key_clear(KEY_DVD); break;
585 case 0x08c: map_key_clear(KEY_PHONE); break;
dde5845a 586 case 0x08d: map_key_clear(KEY_PROGRAM); break;
1c1e40b5
FF		 587 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break;
588 case 0x08f: map_key_clear(KEY_GAMES); break;
589 case 0x090: map_key_clear(KEY_MEMO); break;
590 case 0x091: map_key_clear(KEY_CD); break;
591 case 0x092: map_key_clear(KEY_VCR); break;
592 case 0x093: map_key_clear(KEY_TUNER); break;
593 case 0x094: map_key_clear(KEY_EXIT); break;
dde5845a 594 case 0x095: map_key_clear(KEY_HELP); break;
1c1e40b5
FF		 595 case 0x096: map_key_clear(KEY_TAPE); break;
596 case 0x097: map_key_clear(KEY_TV2); break;
597 case 0x098: map_key_clear(KEY_SAT); break;
8eda232e 598 case 0x09a: map_key_clear(KEY_PVR); break;
1c1e40b5 599
dde5845a
JK		 600 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
601 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
1c1e40b5
FF		 602 case 0x0a0: map_key_clear(KEY_VCR2); break;
603
dde5845a
JK		 604 case 0x0b0: map_key_clear(KEY_PLAY); break;
605 case 0x0b1: map_key_clear(KEY_PAUSE); break;
606 case 0x0b2: map_key_clear(KEY_RECORD); break;
607 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
608 case 0x0b4: map_key_clear(KEY_REWIND); break;
609 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
610 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
611 case 0x0b7: map_key_clear(KEY_STOPCD); break;
612 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
1c1e40b5 613
dde5845a
JK		 614 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
615 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
616 case 0x0e2: map_key_clear(KEY_MUTE); break;
617 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
618 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
619 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
92d9e6e6 620
3cc5f916 621 case 0x182: map_key_clear(KEY_BOOKMARKS); break;
dde5845a 622 case 0x183: map_key_clear(KEY_CONFIG); break;
1c1e40b5
FF		 623 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break;
624 case 0x185: map_key_clear(KEY_EDITOR); break;
625 case 0x186: map_key_clear(KEY_SPREADSHEET); break;
626 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break;
627 case 0x188: map_key_clear(KEY_PRESENTATION); break;
628 case 0x189: map_key_clear(KEY_DATABASE); break;
dde5845a 629 case 0x18a: map_key_clear(KEY_MAIL); break;
1c1e40b5
FF		 630 case 0x18b: map_key_clear(KEY_NEWS); break;
631 case 0x18c: map_key_clear(KEY_VOICEMAIL); break;
632 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break;
633 case 0x18e: map_key_clear(KEY_CALENDAR); break;
634 case 0x191: map_key_clear(KEY_FINANCE); break;
dde5845a
JK		 635 case 0x192: map_key_clear(KEY_CALC); break;
636 case 0x194: map_key_clear(KEY_FILE); break;
1c1e40b5 637 case 0x196: map_key_clear(KEY_WWW); break;
3cc5f916 638 case 0x19c: map_key_clear(KEY_LOGOFF); break;
1c1e40b5
FF		 639 case 0x19e: map_key_clear(KEY_COFFEE); break;
640 case 0x1a6: map_key_clear(KEY_HELP); break;
dde5845a 641 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
1fe8736d 642 case 0x1ab: map_key_clear(KEY_SPELLCHECK); break;
3cc5f916
KB		 643 case 0x1b6: map_key_clear(KEY_MEDIA); break;
644 case 0x1b7: map_key_clear(KEY_SOUND); break;
1c1e40b5
FF		 645 case 0x1bc: map_key_clear(KEY_MESSENGER); break;
646 case 0x1bd: map_key_clear(KEY_INFO); break;
dde5845a 647 case 0x201: map_key_clear(KEY_NEW); break;
1c1e40b5
FF		 648 case 0x202: map_key_clear(KEY_OPEN); break;
649 case 0x203: map_key_clear(KEY_CLOSE); break;
650 case 0x204: map_key_clear(KEY_EXIT); break;
dde5845a
JK		 651 case 0x207: map_key_clear(KEY_SAVE); break;
652 case 0x208: map_key_clear(KEY_PRINT); break;
653 case 0x209: map_key_clear(KEY_PROPS); break;
654 case 0x21a: map_key_clear(KEY_UNDO); break;
655 case 0x21b: map_key_clear(KEY_COPY); break;
656 case 0x21c: map_key_clear(KEY_CUT); break;
657 case 0x21d: map_key_clear(KEY_PASTE); break;
5fce620c
HG		 658 case 0x21f: map_key_clear(KEY_FIND); break;
659 case 0x221: map_key_clear(KEY_SEARCH); break;
660 case 0x222: map_key_clear(KEY_GOTO); break;
dde5845a
JK		 661 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
662 case 0x224: map_key_clear(KEY_BACK); break;
663 case 0x225: map_key_clear(KEY_FORWARD); break;
664 case 0x226: map_key_clear(KEY_STOP); break;
665 case 0x227: map_key_clear(KEY_REFRESH); break;
666 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
1c1e40b5
FF		 667 case 0x22d: map_key_clear(KEY_ZOOMIN); break;
668 case 0x22e: map_key_clear(KEY_ZOOMOUT); break;
669 case 0x22f: map_key_clear(KEY_ZOOMRESET); break;
dde5845a
JK		 670 case 0x233: map_key_clear(KEY_SCROLLUP); break;
671 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
25914662 672 case 0x238: map_rel(REL_HWHEEL); break;
1c1e40b5 673 case 0x25f: map_key_clear(KEY_CANCEL); break;
dde5845a 674 case 0x279: map_key_clear(KEY_REDO); break;
1c1e40b5 675
dde5845a
JK		 676 case 0x289: map_key_clear(KEY_REPLY); break;
677 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
678 case 0x28c: map_key_clear(KEY_SEND); break;
679
dde5845a
JK		 680 default: goto ignore;
681 }
682 break;
683
684 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
685
686 set_bit(EV_REP, input->evbit);
687 switch (usage->hid & HID_USAGE) {
688 case 0x021: map_key_clear(KEY_PRINT); break;
689 case 0x070: map_key_clear(KEY_HP); break;
690 case 0x071: map_key_clear(KEY_CAMERA); break;
691 case 0x072: map_key_clear(KEY_SOUND); break;
692 case 0x073: map_key_clear(KEY_QUESTION); break;
693 case 0x080: map_key_clear(KEY_EMAIL); break;
694 case 0x081: map_key_clear(KEY_CHAT); break;
695 case 0x082: map_key_clear(KEY_SEARCH); break;
696 case 0x083: map_key_clear(KEY_CONNECT); break;
697 case 0x084: map_key_clear(KEY_FINANCE); break;
698 case 0x085: map_key_clear(KEY_SPORT); break;
699 case 0x086: map_key_clear(KEY_SHOP); break;
700 default: goto ignore;
701 }
702 break;
703
704 case HID_UP_MSVENDOR:
cb1d93c9 705
10bd065f 706 goto ignore;
dde5845a 707
81e1a875 708 case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */
dde5845a
JK		 709
710 set_bit(EV_REP, input->evbit);
711 switch(usage->hid & HID_USAGE) {
712 case 0x003:
81e1a875 713 /* The fn key on Apple USB keyboards */
dde5845a 714 map_key_clear(KEY_FN);
81e1a875 715 hidinput_apple_setup(input);
dde5845a
JK		 716 break;
717
718 default: goto ignore;
719 }
720 break;
721
92d9e6e6 722 case HID_UP_LOGIVENDOR:
dde5845a 723
10bd065f
JK		 724 goto ignore;
725
dde5845a
JK		 726 case HID_UP_PID:
727
728 switch(usage->hid & HID_USAGE) {
729 case 0xa4: map_key_clear(BTN_DEAD); break;
730 default: goto ignore;
731 }
732 break;
733
734 default:
735 unknown:
736 if (field->report_size == 1) {
737 if (field->report->type == HID_OUTPUT_REPORT) {
738 map_led(LED_MISC);
739 break;
740 }
741 map_key(BTN_MISC);
742 break;
743 }
744 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
745 map_rel(REL_MISC);
746 break;
747 }
748 map_abs(ABS_MISC);
749 break;
750 }
751
10bd065f 752mapped:
dde5845a
JK		 753 if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
754 if (usage->hid == HID_GD_Z)
755 map_rel(REL_HWHEEL);
756 else if (usage->code == BTN_1)
757 map_key(BTN_2);
758 else if (usage->code == BTN_2)
759 map_key(BTN_1);
760 }
761
c80e5ffa
PT		 762 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5 |
763 HID_QUIRK_2WHEEL_MOUSE_HACK_B8)) && (usage->type == EV_REL) &&
764 (usage->code == REL_WHEEL))
765 set_bit(REL_HWHEEL, bit);
dde5845a
JK		 766
767 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
768 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
769 goto ignore;
770
771 if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) &&
772 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE))
773 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
774
775 set_bit(usage->type, input->evbit);
776
25914662
JK		 777 if (device->quirks & HID_QUIRK_DUPLICATE_USAGES &&
778 (usage->type == EV_KEY ||
779 usage->type == EV_REL ||
780 usage->type == EV_ABS))
781 clear_bit(usage->code, bit);
782
dde5845a
JK		 783 while (usage->code <= max && test_and_set_bit(usage->code, bit))
784 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
785
786 if (usage->code > max)
787 goto ignore;
788
789
790 if (usage->type == EV_ABS) {
791
792 int a = field->logical_minimum;
793 int b = field->logical_maximum;
794
795 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
796 a = field->logical_minimum = 0;
797 b = field->logical_maximum = 255;
798 }
799
800 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
801 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
802 else input_set_abs_params(input, usage->code, a, b, 0, 0);
803
804 }
805
806 if (usage->type == EV_ABS &&
807 (usage->hat_min < usage->hat_max || usage->hat_dir)) {
808 int i;
809 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
810 input_set_abs_params(input, i, -1, 1, 0, 0);
811 set_bit(i, input->absbit);
812 }
813 if (usage->hat_dir && !field->dpad)
814 field->dpad = usage->code;
815 }
816
2c1d8aea
JK		 817 /* for those devices which produce Consumer volume usage as relative,
818 * we emulate pressing volumeup/volumedown appropriate number of times
819 * in hidinput_hid_event()
820 */
821 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
822 (usage->code == ABS_VOLUME)) {
823 set_bit(KEY_VOLUMEUP, input->keybit);
824 set_bit(KEY_VOLUMEDOWN, input->keybit);
825 }
826
c01d50d1
JK		 827 if (usage->type == EV_KEY) {
828 set_bit(EV_MSC, input->evbit);
829 set_bit(MSC_SCAN, input->mscbit);
830 }
831
c080d89a 832 hid_resolv_event(usage->type, usage->code);
58037eb9
JK		 833
834 dbg_hid_line("\n");
835
dde5845a
JK		 836 return;
837
838ignore:
58037eb9 839 dbg_hid_line("IGNORED\n");
dde5845a
JK		 840 return;
841}
842
843void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
844{
845 struct input_dev *input;
b4482a4b 846 unsigned *quirks = &hid->quirks;
dde5845a
JK		 847
848 if (!field->hidinput)
849 return;
850
851 input = field->hidinput->input;
852
853 if (!usage->type)
854 return;
855
87bc2aa9
JK		 856 /* handle input events for quirky devices */
857 hidinput_event_quirks(hid, field, usage, value);
dde5845a
JK		 858
859 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
860 int hat_dir = usage->hat_dir;
861 if (!hat_dir)
862 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
863 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
864 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
865 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
866 return;
867 }
868
869 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
870 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
871 return;
872 }
873
874 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
875 if (value) {
876 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
877 return;
878 }
879 input_event(input, usage->type, usage->code, 0);
880 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
881 return;
882 }
883
884 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
885 int a = field->logical_minimum;
886 int b = field->logical_maximum;
887 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
888 }
889
890 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
58037eb9 891 dbg_hid("Maximum Effects - %d\n",value);
dde5845a
JK		 892 return;
893 }
894
895 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
58037eb9 896 dbg_hid("PID Pool Report\n");
dde5845a
JK		 897 return;
898 }
899
900 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
901 return;
902
2c1d8aea
JK		 903 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
904 (usage->code == ABS_VOLUME)) {
905 int count = abs(value);
906 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
907 int i;
908
909 for (i = 0; i < count; i++) {
910 input_event(input, EV_KEY, direction, 1);
911 input_sync(input);
912 input_event(input, EV_KEY, direction, 0);
913 input_sync(input);
914 }
915 return;
916 }
917
c01d50d1
JK		 918 /* report the usage code as scancode if the key status has changed */
919 if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
920 input_event(input, EV_MSC, MSC_SCAN, usage->hid);
1fe8736d 921
dde5845a
JK		 922 input_event(input, usage->type, usage->code, value);
923
924 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
925 input_event(input, usage->type, usage->code, 0);
926}
927
928void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
929{
930 struct hid_input *hidinput;
931
932 list_for_each_entry(hidinput, &hid->inputs, list)
933 input_sync(hidinput->input);
934}
229695e5 935EXPORT_SYMBOL_GPL(hidinput_report_event);
dde5845a 936
229695e5 937int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
dde5845a
JK		 938{
939 struct hid_report *report;
940 int i, j;
941
942 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
943 for (i = 0; i < report->maxfield; i++) {
944 *field = report->field[i];
945 for (j = 0; j < (*field)->maxusage; j++)
946 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
947 return j;
948 }
949 }
950 return -1;
951}
229695e5 952EXPORT_SYMBOL_GPL(hidinput_find_field);
dde5845a 953
7c379146
JK		 954static int hidinput_open(struct input_dev *dev)
955{
e0712985
DT		 956 struct hid_device *hid = input_get_drvdata(dev);
957
7c379146
JK		 958 return hid->hid_open(hid);
959}
960
961static void hidinput_close(struct input_dev *dev)
962{
e0712985
DT		 963 struct hid_device *hid = input_get_drvdata(dev);
964
7c379146
JK		 965 hid->hid_close(hid);
966}
967
dde5845a
JK		 968/*
969 * Register the input device; print a message.
970 * Configure the input layer interface
971 * Read all reports and initialize the absolute field values.
972 */
973
974int hidinput_connect(struct hid_device *hid)
975{
dde5845a
JK		 976 struct hid_report *report;
977 struct hid_input *hidinput = NULL;
978 struct input_dev *input_dev;
979 int i, j, k;
5556feae 980 int max_report_type = HID_OUTPUT_REPORT;
dde5845a 981
0ce91cf9
SP		 982 if (hid->quirks & HID_QUIRK_IGNORE_HIDINPUT)
983 return -1;
984
dde5845a
JK		 985 INIT_LIST_HEAD(&hid->inputs);
986
987 for (i = 0; i < hid->maxcollection; i++)
988 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
989 hid->collection[i].type == HID_COLLECTION_PHYSICAL)
990 if (IS_INPUT_APPLICATION(hid->collection[i].usage))
991 break;
992
defd2086 993 if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDINPUT) == 0)
dde5845a
JK		 994 return -1;
995
5556feae
AH		 996 if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
997 max_report_type = HID_INPUT_REPORT;
998
999 for (k = HID_INPUT_REPORT; k <= max_report_type; k++)
dde5845a
JK		 1000 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
1001
1002 if (!report->maxfield)
1003 continue;
1004
1005 if (!hidinput) {
1006 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
1007 input_dev = input_allocate_device();
1008 if (!hidinput || !input_dev) {
1009 kfree(hidinput);
1010 input_free_device(input_dev);
58037eb9 1011 err_hid("Out of memory during hid input probe");
368d290b 1012 goto out_unwind;
dde5845a
JK		 1013 }
1014
e0712985 1015 input_set_drvdata(input_dev, hid);
229695e5 1016 input_dev->event = hid->hidinput_input_event;
7c379146
JK		 1017 input_dev->open = hidinput_open;
1018 input_dev->close = hidinput_close;
fe7ba31f
MR		 1019 input_dev->setkeycode = hidinput_setkeycode;
1020 input_dev->getkeycode = hidinput_getkeycode;
dde5845a
JK		 1021
1022 input_dev->name = hid->name;
1023 input_dev->phys = hid->phys;
1024 input_dev->uniq = hid->uniq;
229695e5
JK		 1025 input_dev->id.bustype = hid->bus;
1026 input_dev->id.vendor = hid->vendor;
1027 input_dev->id.product = hid->product;
1028 input_dev->id.version = hid->version;
e0712985 1029 input_dev->dev.parent = hid->dev;
dde5845a
JK		 1030 hidinput->input = input_dev;
1031 list_add_tail(&hidinput->list, &hid->inputs);
1032 }
1033
1034 for (i = 0; i < report->maxfield; i++)
1035 for (j = 0; j < report->field[i]->maxusage; j++)
1036 hidinput_configure_usage(hidinput, report->field[i],
1037 report->field[i]->usage + j);
1038
1039 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
1040 /* This will leave hidinput NULL, so that it
1041 * allocates another one if we have more inputs on
1042 * the same interface. Some devices (e.g. Happ's
1043 * UGCI) cram a lot of unrelated inputs into the
1044 * same interface. */
1045 hidinput->report = report;
368d290b
DH		 1046 if (input_register_device(hidinput->input))
1047 goto out_cleanup;
dde5845a
JK		 1048 hidinput = NULL;
1049 }
1050 }
1051
368d290b
DH		 1052 if (hidinput && input_register_device(hidinput->input))
1053 goto out_cleanup;
dde5845a
JK		 1054
1055 return 0;
368d290b
DH		 1056
1057out_cleanup:
1058 input_free_device(hidinput->input);
1059 kfree(hidinput);
1060out_unwind:
1061 /* unwind the ones we already registered */
1062 hidinput_disconnect(hid);
1063
1064 return -1;
dde5845a 1065}
229695e5 1066EXPORT_SYMBOL_GPL(hidinput_connect);
dde5845a
JK		 1067
1068void hidinput_disconnect(struct hid_device *hid)
1069{
1070 struct hid_input *hidinput, *next;
1071
1072 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
1073 list_del(&hidinput->list);
1074 input_unregister_device(hidinput->input);
1075 kfree(hidinput);
1076 }
1077}
229695e5
JK		 1078EXPORT_SYMBOL_GPL(hidinput_disconnect);
1079
Linux kernel - Deliverables
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