Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
[linux-2.6-microblaze.git] / drivers / hid / hid-asus.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *  HID driver for Asus notebook built-in keyboard.
4  *  Fixes small logical maximum to match usage maximum.
5  *
6  *  Currently supported devices are:
7  *    EeeBook X205TA
8  *    VivoBook E200HA
9  *
10  *  Copyright (c) 2016 Yusuke Fujimaki <usk.fujimaki@gmail.com>
11  *
12  *  This module based on hid-ortek by
13  *  Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com>
14  *  Copyright (c) 2011 Jiri Kosina
15  *
16  *  This module has been updated to add support for Asus i2c touchpad.
17  *
18  *  Copyright (c) 2016 Brendan McGrath <redmcg@redmandi.dyndns.org>
19  *  Copyright (c) 2016 Victor Vlasenko <victor.vlasenko@sysgears.com>
20  *  Copyright (c) 2016 Frederik Wenigwieser <frederik.wenigwieser@gmail.com>
21  */
22
23 /*
24  */
25
26 #include <linux/dmi.h>
27 #include <linux/hid.h>
28 #include <linux/module.h>
29 #include <linux/platform_data/x86/asus-wmi.h>
30 #include <linux/input/mt.h>
31 #include <linux/usb.h> /* For to_usb_interface for T100 touchpad intf check */
32 #include <linux/power_supply.h>
33
34 #include "hid-ids.h"
35
36 MODULE_AUTHOR("Yusuke Fujimaki <usk.fujimaki@gmail.com>");
37 MODULE_AUTHOR("Brendan McGrath <redmcg@redmandi.dyndns.org>");
38 MODULE_AUTHOR("Victor Vlasenko <victor.vlasenko@sysgears.com>");
39 MODULE_AUTHOR("Frederik Wenigwieser <frederik.wenigwieser@gmail.com>");
40 MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
41
42 #define T100_TPAD_INTF 2
43 #define MEDION_E1239T_TPAD_INTF 1
44
45 #define E1239T_TP_TOGGLE_REPORT_ID 0x05
46 #define T100CHI_MOUSE_REPORT_ID 0x06
47 #define FEATURE_REPORT_ID 0x0d
48 #define INPUT_REPORT_ID 0x5d
49 #define FEATURE_KBD_REPORT_ID 0x5a
50 #define FEATURE_KBD_REPORT_SIZE 16
51
52 #define SUPPORT_KBD_BACKLIGHT BIT(0)
53
54 #define MAX_TOUCH_MAJOR 8
55 #define MAX_PRESSURE 128
56
57 #define BTN_LEFT_MASK 0x01
58 #define CONTACT_TOOL_TYPE_MASK 0x80
59 #define CONTACT_X_MSB_MASK 0xf0
60 #define CONTACT_Y_MSB_MASK 0x0f
61 #define CONTACT_TOUCH_MAJOR_MASK 0x07
62 #define CONTACT_PRESSURE_MASK 0x7f
63
64 #define BATTERY_REPORT_ID       (0x03)
65 #define BATTERY_REPORT_SIZE     (1 + 8)
66 #define BATTERY_LEVEL_MAX       ((u8)255)
67 #define BATTERY_STAT_DISCONNECT (0)
68 #define BATTERY_STAT_CHARGING   (1)
69 #define BATTERY_STAT_FULL       (2)
70
71 #define QUIRK_FIX_NOTEBOOK_REPORT       BIT(0)
72 #define QUIRK_NO_INIT_REPORTS           BIT(1)
73 #define QUIRK_SKIP_INPUT_MAPPING        BIT(2)
74 #define QUIRK_IS_MULTITOUCH             BIT(3)
75 #define QUIRK_NO_CONSUMER_USAGES        BIT(4)
76 #define QUIRK_USE_KBD_BACKLIGHT         BIT(5)
77 #define QUIRK_T100_KEYBOARD             BIT(6)
78 #define QUIRK_T100CHI                   BIT(7)
79 #define QUIRK_G752_KEYBOARD             BIT(8)
80 #define QUIRK_T101HA_DOCK               BIT(9)
81 #define QUIRK_T90CHI                    BIT(10)
82 #define QUIRK_MEDION_E1239T             BIT(11)
83
84 #define I2C_KEYBOARD_QUIRKS                     (QUIRK_FIX_NOTEBOOK_REPORT | \
85                                                  QUIRK_NO_INIT_REPORTS | \
86                                                  QUIRK_NO_CONSUMER_USAGES)
87 #define I2C_TOUCHPAD_QUIRKS                     (QUIRK_NO_INIT_REPORTS | \
88                                                  QUIRK_SKIP_INPUT_MAPPING | \
89                                                  QUIRK_IS_MULTITOUCH)
90
91 #define TRKID_SGN       ((TRKID_MAX + 1) >> 1)
92
93 struct asus_kbd_leds {
94         struct led_classdev cdev;
95         struct hid_device *hdev;
96         struct work_struct work;
97         unsigned int brightness;
98         bool removed;
99 };
100
101 struct asus_touchpad_info {
102         int max_x;
103         int max_y;
104         int res_x;
105         int res_y;
106         int contact_size;
107         int max_contacts;
108         int report_size;
109 };
110
111 struct asus_drvdata {
112         unsigned long quirks;
113         struct hid_device *hdev;
114         struct input_dev *input;
115         struct input_dev *tp_kbd_input;
116         struct asus_kbd_leds *kbd_backlight;
117         const struct asus_touchpad_info *tp;
118         bool enable_backlight;
119         struct power_supply *battery;
120         struct power_supply_desc battery_desc;
121         int battery_capacity;
122         int battery_stat;
123         bool battery_in_query;
124         unsigned long battery_next_query;
125 };
126
127 static int asus_report_battery(struct asus_drvdata *, u8 *, int);
128
129 static const struct asus_touchpad_info asus_i2c_tp = {
130         .max_x = 2794,
131         .max_y = 1758,
132         .contact_size = 5,
133         .max_contacts = 5,
134         .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
135 };
136
137 static const struct asus_touchpad_info asus_t100ta_tp = {
138         .max_x = 2240,
139         .max_y = 1120,
140         .res_x = 30, /* units/mm */
141         .res_y = 27, /* units/mm */
142         .contact_size = 5,
143         .max_contacts = 5,
144         .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
145 };
146
147 static const struct asus_touchpad_info asus_t100ha_tp = {
148         .max_x = 2640,
149         .max_y = 1320,
150         .res_x = 30, /* units/mm */
151         .res_y = 29, /* units/mm */
152         .contact_size = 5,
153         .max_contacts = 5,
154         .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
155 };
156
157 static const struct asus_touchpad_info asus_t200ta_tp = {
158         .max_x = 3120,
159         .max_y = 1716,
160         .res_x = 30, /* units/mm */
161         .res_y = 28, /* units/mm */
162         .contact_size = 5,
163         .max_contacts = 5,
164         .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
165 };
166
167 static const struct asus_touchpad_info asus_t100chi_tp = {
168         .max_x = 2640,
169         .max_y = 1320,
170         .res_x = 31, /* units/mm */
171         .res_y = 29, /* units/mm */
172         .contact_size = 3,
173         .max_contacts = 4,
174         .report_size = 15 /* 2 byte header + 3 * 4 + 1 byte footer */,
175 };
176
177 static const struct asus_touchpad_info medion_e1239t_tp = {
178         .max_x = 2640,
179         .max_y = 1380,
180         .res_x = 29, /* units/mm */
181         .res_y = 28, /* units/mm */
182         .contact_size = 5,
183         .max_contacts = 5,
184         .report_size = 32 /* 2 byte header + 5 * 5 + 5 byte footer */,
185 };
186
187 static void asus_report_contact_down(struct asus_drvdata *drvdat,
188                 int toolType, u8 *data)
189 {
190         struct input_dev *input = drvdat->input;
191         int touch_major, pressure, x, y;
192
193         x = (data[0] & CONTACT_X_MSB_MASK) << 4 | data[1];
194         y = drvdat->tp->max_y - ((data[0] & CONTACT_Y_MSB_MASK) << 8 | data[2]);
195
196         input_report_abs(input, ABS_MT_POSITION_X, x);
197         input_report_abs(input, ABS_MT_POSITION_Y, y);
198
199         if (drvdat->tp->contact_size < 5)
200                 return;
201
202         if (toolType == MT_TOOL_PALM) {
203                 touch_major = MAX_TOUCH_MAJOR;
204                 pressure = MAX_PRESSURE;
205         } else {
206                 touch_major = (data[3] >> 4) & CONTACT_TOUCH_MAJOR_MASK;
207                 pressure = data[4] & CONTACT_PRESSURE_MASK;
208         }
209
210         input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major);
211         input_report_abs(input, ABS_MT_PRESSURE, pressure);
212 }
213
214 /* Required for Synaptics Palm Detection */
215 static void asus_report_tool_width(struct asus_drvdata *drvdat)
216 {
217         struct input_mt *mt = drvdat->input->mt;
218         struct input_mt_slot *oldest;
219         int oldid, count, i;
220
221         if (drvdat->tp->contact_size < 5)
222                 return;
223
224         oldest = NULL;
225         oldid = mt->trkid;
226         count = 0;
227
228         for (i = 0; i < mt->num_slots; ++i) {
229                 struct input_mt_slot *ps = &mt->slots[i];
230                 int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
231
232                 if (id < 0)
233                         continue;
234                 if ((id - oldid) & TRKID_SGN) {
235                         oldest = ps;
236                         oldid = id;
237                 }
238                 count++;
239         }
240
241         if (oldest) {
242                 input_report_abs(drvdat->input, ABS_TOOL_WIDTH,
243                         input_mt_get_value(oldest, ABS_MT_TOUCH_MAJOR));
244         }
245 }
246
247 static int asus_report_input(struct asus_drvdata *drvdat, u8 *data, int size)
248 {
249         int i, toolType = MT_TOOL_FINGER;
250         u8 *contactData = data + 2;
251
252         if (size != drvdat->tp->report_size)
253                 return 0;
254
255         for (i = 0; i < drvdat->tp->max_contacts; i++) {
256                 bool down = !!(data[1] & BIT(i+3));
257
258                 if (drvdat->tp->contact_size >= 5)
259                         toolType = contactData[3] & CONTACT_TOOL_TYPE_MASK ?
260                                                 MT_TOOL_PALM : MT_TOOL_FINGER;
261
262                 input_mt_slot(drvdat->input, i);
263                 input_mt_report_slot_state(drvdat->input, toolType, down);
264
265                 if (down) {
266                         asus_report_contact_down(drvdat, toolType, contactData);
267                         contactData += drvdat->tp->contact_size;
268                 }
269         }
270
271         input_report_key(drvdat->input, BTN_LEFT, data[1] & BTN_LEFT_MASK);
272         asus_report_tool_width(drvdat);
273
274         input_mt_sync_frame(drvdat->input);
275         input_sync(drvdat->input);
276
277         return 1;
278 }
279
280 static int asus_e1239t_event(struct asus_drvdata *drvdat, u8 *data, int size)
281 {
282         if (size != 3)
283                 return 0;
284
285         /* Handle broken mute key which only sends press events */
286         if (!drvdat->tp &&
287             data[0] == 0x02 && data[1] == 0xe2 && data[2] == 0x00) {
288                 input_report_key(drvdat->input, KEY_MUTE, 1);
289                 input_sync(drvdat->input);
290                 input_report_key(drvdat->input, KEY_MUTE, 0);
291                 input_sync(drvdat->input);
292                 return 1;
293         }
294
295         /* Handle custom touchpad toggle key which only sends press events */
296         if (drvdat->tp_kbd_input &&
297             data[0] == 0x05 && data[1] == 0x02 && data[2] == 0x28) {
298                 input_report_key(drvdat->tp_kbd_input, KEY_F21, 1);
299                 input_sync(drvdat->tp_kbd_input);
300                 input_report_key(drvdat->tp_kbd_input, KEY_F21, 0);
301                 input_sync(drvdat->tp_kbd_input);
302                 return 1;
303         }
304
305         return 0;
306 }
307
308 static int asus_event(struct hid_device *hdev, struct hid_field *field,
309                       struct hid_usage *usage, __s32 value)
310 {
311         if ((usage->hid & HID_USAGE_PAGE) == 0xff310000 &&
312             (usage->hid & HID_USAGE) != 0x00 &&
313             (usage->hid & HID_USAGE) != 0xff && !usage->type) {
314                 hid_warn(hdev, "Unmapped Asus vendor usagepage code 0x%02x\n",
315                          usage->hid & HID_USAGE);
316         }
317
318         return 0;
319 }
320
321 static int asus_raw_event(struct hid_device *hdev,
322                 struct hid_report *report, u8 *data, int size)
323 {
324         struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
325
326         if (drvdata->battery && data[0] == BATTERY_REPORT_ID)
327                 return asus_report_battery(drvdata, data, size);
328
329         if (drvdata->tp && data[0] == INPUT_REPORT_ID)
330                 return asus_report_input(drvdata, data, size);
331
332         if (drvdata->quirks & QUIRK_MEDION_E1239T)
333                 return asus_e1239t_event(drvdata, data, size);
334
335         return 0;
336 }
337
338 static int asus_kbd_set_report(struct hid_device *hdev, u8 *buf, size_t buf_size)
339 {
340         unsigned char *dmabuf;
341         int ret;
342
343         dmabuf = kmemdup(buf, buf_size, GFP_KERNEL);
344         if (!dmabuf)
345                 return -ENOMEM;
346
347         ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, dmabuf,
348                                  buf_size, HID_FEATURE_REPORT,
349                                  HID_REQ_SET_REPORT);
350         kfree(dmabuf);
351
352         return ret;
353 }
354
355 static int asus_kbd_init(struct hid_device *hdev)
356 {
357         u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x41, 0x53, 0x55, 0x53, 0x20, 0x54,
358                      0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 };
359         int ret;
360
361         ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
362         if (ret < 0)
363                 hid_err(hdev, "Asus failed to send init command: %d\n", ret);
364
365         return ret;
366 }
367
368 static int asus_kbd_get_functions(struct hid_device *hdev,
369                                   unsigned char *kbd_func)
370 {
371         u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 };
372         u8 *readbuf;
373         int ret;
374
375         ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
376         if (ret < 0) {
377                 hid_err(hdev, "Asus failed to send configuration command: %d\n", ret);
378                 return ret;
379         }
380
381         readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL);
382         if (!readbuf)
383                 return -ENOMEM;
384
385         ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, readbuf,
386                                  FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT,
387                                  HID_REQ_GET_REPORT);
388         if (ret < 0) {
389                 hid_err(hdev, "Asus failed to request functions: %d\n", ret);
390                 kfree(readbuf);
391                 return ret;
392         }
393
394         *kbd_func = readbuf[6];
395
396         kfree(readbuf);
397         return ret;
398 }
399
400 static void asus_kbd_backlight_set(struct led_classdev *led_cdev,
401                                    enum led_brightness brightness)
402 {
403         struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
404                                                  cdev);
405         if (led->brightness == brightness)
406                 return;
407
408         led->brightness = brightness;
409         schedule_work(&led->work);
410 }
411
412 static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev)
413 {
414         struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
415                                                  cdev);
416
417         return led->brightness;
418 }
419
420 static void asus_kbd_backlight_work(struct work_struct *work)
421 {
422         struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work);
423         u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 };
424         int ret;
425
426         if (led->removed)
427                 return;
428
429         buf[4] = led->brightness;
430
431         ret = asus_kbd_set_report(led->hdev, buf, sizeof(buf));
432         if (ret < 0)
433                 hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret);
434 }
435
436 /* WMI-based keyboard backlight LED control (via asus-wmi driver) takes
437  * precedence. We only activate HID-based backlight control when the
438  * WMI control is not available.
439  */
440 static bool asus_kbd_wmi_led_control_present(struct hid_device *hdev)
441 {
442         u32 value;
443         int ret;
444
445         if (!IS_ENABLED(CONFIG_ASUS_WMI))
446                 return false;
447
448         ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS,
449                                        ASUS_WMI_DEVID_KBD_BACKLIGHT, 0, &value);
450         hid_dbg(hdev, "WMI backlight check: rc %d value %x", ret, value);
451         if (ret)
452                 return false;
453
454         return !!(value & ASUS_WMI_DSTS_PRESENCE_BIT);
455 }
456
457 static int asus_kbd_register_leds(struct hid_device *hdev)
458 {
459         struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
460         unsigned char kbd_func;
461         int ret;
462
463         /* Initialize keyboard */
464         ret = asus_kbd_init(hdev);
465         if (ret < 0)
466                 return ret;
467
468         /* Get keyboard functions */
469         ret = asus_kbd_get_functions(hdev, &kbd_func);
470         if (ret < 0)
471                 return ret;
472
473         /* Check for backlight support */
474         if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
475                 return -ENODEV;
476
477         drvdata->kbd_backlight = devm_kzalloc(&hdev->dev,
478                                               sizeof(struct asus_kbd_leds),
479                                               GFP_KERNEL);
480         if (!drvdata->kbd_backlight)
481                 return -ENOMEM;
482
483         drvdata->kbd_backlight->removed = false;
484         drvdata->kbd_backlight->brightness = 0;
485         drvdata->kbd_backlight->hdev = hdev;
486         drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight";
487         drvdata->kbd_backlight->cdev.max_brightness = 3;
488         drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set;
489         drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get;
490         INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work);
491
492         ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev);
493         if (ret < 0) {
494                 /* No need to have this still around */
495                 devm_kfree(&hdev->dev, drvdata->kbd_backlight);
496         }
497
498         return ret;
499 }
500
501 /*
502  * [0]       REPORT_ID (same value defined in report descriptor)
503  * [1]       rest battery level. range [0..255]
504  * [2]..[7]  Bluetooth hardware address (MAC address)
505  * [8]       charging status
506  *            = 0 : AC offline / discharging
507  *            = 1 : AC online  / charging
508  *            = 2 : AC online  / fully charged
509  */
510 static int asus_parse_battery(struct asus_drvdata *drvdata, u8 *data, int size)
511 {
512         u8 sts;
513         u8 lvl;
514         int val;
515
516         lvl = data[1];
517         sts = data[8];
518
519         drvdata->battery_capacity = ((int)lvl * 100) / (int)BATTERY_LEVEL_MAX;
520
521         switch (sts) {
522         case BATTERY_STAT_CHARGING:
523                 val = POWER_SUPPLY_STATUS_CHARGING;
524                 break;
525         case BATTERY_STAT_FULL:
526                 val = POWER_SUPPLY_STATUS_FULL;
527                 break;
528         case BATTERY_STAT_DISCONNECT:
529         default:
530                 val = POWER_SUPPLY_STATUS_DISCHARGING;
531                 break;
532         }
533         drvdata->battery_stat = val;
534
535         return 0;
536 }
537
538 static int asus_report_battery(struct asus_drvdata *drvdata, u8 *data, int size)
539 {
540         /* notify only the autonomous event by device */
541         if ((drvdata->battery_in_query == false) &&
542                          (size == BATTERY_REPORT_SIZE))
543                 power_supply_changed(drvdata->battery);
544
545         return 0;
546 }
547
548 static int asus_battery_query(struct asus_drvdata *drvdata)
549 {
550         u8 *buf;
551         int ret = 0;
552
553         buf = kmalloc(BATTERY_REPORT_SIZE, GFP_KERNEL);
554         if (!buf)
555                 return -ENOMEM;
556
557         drvdata->battery_in_query = true;
558         ret = hid_hw_raw_request(drvdata->hdev, BATTERY_REPORT_ID,
559                                 buf, BATTERY_REPORT_SIZE,
560                                 HID_INPUT_REPORT, HID_REQ_GET_REPORT);
561         drvdata->battery_in_query = false;
562         if (ret == BATTERY_REPORT_SIZE)
563                 ret = asus_parse_battery(drvdata, buf, BATTERY_REPORT_SIZE);
564         else
565                 ret = -ENODATA;
566
567         kfree(buf);
568
569         return ret;
570 }
571
572 static enum power_supply_property asus_battery_props[] = {
573         POWER_SUPPLY_PROP_STATUS,
574         POWER_SUPPLY_PROP_PRESENT,
575         POWER_SUPPLY_PROP_CAPACITY,
576         POWER_SUPPLY_PROP_SCOPE,
577         POWER_SUPPLY_PROP_MODEL_NAME,
578 };
579
580 #define QUERY_MIN_INTERVAL      (60 * HZ)       /* 60[sec] */
581
582 static int asus_battery_get_property(struct power_supply *psy,
583                                 enum power_supply_property psp,
584                                 union power_supply_propval *val)
585 {
586         struct asus_drvdata *drvdata = power_supply_get_drvdata(psy);
587         int ret = 0;
588
589         switch (psp) {
590         case POWER_SUPPLY_PROP_STATUS:
591         case POWER_SUPPLY_PROP_CAPACITY:
592                 if (time_before(drvdata->battery_next_query, jiffies)) {
593                         drvdata->battery_next_query =
594                                          jiffies + QUERY_MIN_INTERVAL;
595                         ret = asus_battery_query(drvdata);
596                         if (ret)
597                                 return ret;
598                 }
599                 if (psp == POWER_SUPPLY_PROP_STATUS)
600                         val->intval = drvdata->battery_stat;
601                 else
602                         val->intval = drvdata->battery_capacity;
603                 break;
604         case POWER_SUPPLY_PROP_PRESENT:
605                 val->intval = 1;
606                 break;
607         case POWER_SUPPLY_PROP_SCOPE:
608                 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
609                 break;
610         case POWER_SUPPLY_PROP_MODEL_NAME:
611                 val->strval = drvdata->hdev->name;
612                 break;
613         default:
614                 ret = -EINVAL;
615                 break;
616         }
617
618         return ret;
619 }
620
621 static int asus_battery_probe(struct hid_device *hdev)
622 {
623         struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
624         struct power_supply_config pscfg = { .drv_data = drvdata };
625         int ret = 0;
626
627         drvdata->battery_capacity = 0;
628         drvdata->battery_stat = POWER_SUPPLY_STATUS_UNKNOWN;
629         drvdata->battery_in_query = false;
630
631         drvdata->battery_desc.properties = asus_battery_props;
632         drvdata->battery_desc.num_properties = ARRAY_SIZE(asus_battery_props);
633         drvdata->battery_desc.get_property = asus_battery_get_property;
634         drvdata->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
635         drvdata->battery_desc.use_for_apm = 0;
636         drvdata->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
637                                         "asus-keyboard-%s-battery",
638                                         strlen(hdev->uniq) ?
639                                         hdev->uniq : dev_name(&hdev->dev));
640         if (!drvdata->battery_desc.name)
641                 return -ENOMEM;
642
643         drvdata->battery_next_query = jiffies;
644
645         drvdata->battery = devm_power_supply_register(&hdev->dev,
646                                 &(drvdata->battery_desc), &pscfg);
647         if (IS_ERR(drvdata->battery)) {
648                 ret = PTR_ERR(drvdata->battery);
649                 drvdata->battery = NULL;
650                 hid_err(hdev, "Unable to register battery device\n");
651                 return ret;
652         }
653
654         power_supply_powers(drvdata->battery, &hdev->dev);
655
656         return ret;
657 }
658
659 static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
660 {
661         struct input_dev *input = hi->input;
662         struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
663
664         /* T100CHI uses MULTI_INPUT, bind the touchpad to the mouse hid_input */
665         if (drvdata->quirks & QUIRK_T100CHI &&
666             hi->report->id != T100CHI_MOUSE_REPORT_ID)
667                 return 0;
668
669         /* Handle MULTI_INPUT on E1239T mouse/touchpad USB interface */
670         if (drvdata->tp && (drvdata->quirks & QUIRK_MEDION_E1239T)) {
671                 switch (hi->report->id) {
672                 case E1239T_TP_TOGGLE_REPORT_ID:
673                         input_set_capability(input, EV_KEY, KEY_F21);
674                         input->name = "Asus Touchpad Keys";
675                         drvdata->tp_kbd_input = input;
676                         return 0;
677                 case INPUT_REPORT_ID:
678                         break; /* Touchpad report, handled below */
679                 default:
680                         return 0; /* Ignore other reports */
681                 }
682         }
683
684         if (drvdata->tp) {
685                 int ret;
686
687                 input_set_abs_params(input, ABS_MT_POSITION_X, 0,
688                                      drvdata->tp->max_x, 0, 0);
689                 input_set_abs_params(input, ABS_MT_POSITION_Y, 0,
690                                      drvdata->tp->max_y, 0, 0);
691                 input_abs_set_res(input, ABS_MT_POSITION_X, drvdata->tp->res_x);
692                 input_abs_set_res(input, ABS_MT_POSITION_Y, drvdata->tp->res_y);
693
694                 if (drvdata->tp->contact_size >= 5) {
695                         input_set_abs_params(input, ABS_TOOL_WIDTH, 0,
696                                              MAX_TOUCH_MAJOR, 0, 0);
697                         input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0,
698                                              MAX_TOUCH_MAJOR, 0, 0);
699                         input_set_abs_params(input, ABS_MT_PRESSURE, 0,
700                                               MAX_PRESSURE, 0, 0);
701                 }
702
703                 __set_bit(BTN_LEFT, input->keybit);
704                 __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
705
706                 ret = input_mt_init_slots(input, drvdata->tp->max_contacts,
707                                           INPUT_MT_POINTER);
708
709                 if (ret) {
710                         hid_err(hdev, "Asus input mt init slots failed: %d\n", ret);
711                         return ret;
712                 }
713         }
714
715         drvdata->input = input;
716
717         if (drvdata->enable_backlight &&
718             !asus_kbd_wmi_led_control_present(hdev) &&
719             asus_kbd_register_leds(hdev))
720                 hid_warn(hdev, "Failed to initialize backlight.\n");
721
722         return 0;
723 }
724
725 #define asus_map_key_clear(c)   hid_map_usage_clear(hi, usage, bit, \
726                                                     max, EV_KEY, (c))
727 static int asus_input_mapping(struct hid_device *hdev,
728                 struct hid_input *hi, struct hid_field *field,
729                 struct hid_usage *usage, unsigned long **bit,
730                 int *max)
731 {
732         struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
733
734         if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) {
735                 /* Don't map anything from the HID report.
736                  * We do it all manually in asus_input_configured
737                  */
738                 return -1;
739         }
740
741         /*
742          * Ignore a bunch of bogus collections in the T100CHI descriptor.
743          * This avoids a bunch of non-functional hid_input devices getting
744          * created because of the T100CHI using HID_QUIRK_MULTI_INPUT.
745          */
746         if ((drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) &&
747             (field->application == (HID_UP_GENDESK | 0x0080) ||
748              field->application == HID_GD_MOUSE ||
749              usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) ||
750              usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) ||
751              usage->hid == (HID_UP_GENDEVCTRLS | 0x0026)))
752                 return -1;
753
754         /* ASUS-specific keyboard hotkeys */
755         if ((usage->hid & HID_USAGE_PAGE) == 0xff310000) {
756                 switch (usage->hid & HID_USAGE) {
757                 case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN);      break;
758                 case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP);                break;
759                 case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF);         break;
760                 case 0x6c: asus_map_key_clear(KEY_SLEEP);               break;
761                 case 0x7c: asus_map_key_clear(KEY_MICMUTE);             break;
762                 case 0x82: asus_map_key_clear(KEY_CAMERA);              break;
763                 case 0x88: asus_map_key_clear(KEY_RFKILL);                      break;
764                 case 0xb5: asus_map_key_clear(KEY_CALC);                        break;
765                 case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP);          break;
766                 case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN);                break;
767
768                 /* ASUS touchpad toggle */
769                 case 0x6b: asus_map_key_clear(KEY_F21);                 break;
770
771                 /* ROG key */
772                 case 0x38: asus_map_key_clear(KEY_PROG1);               break;
773
774                 /* Fn+C ASUS Splendid */
775                 case 0xba: asus_map_key_clear(KEY_PROG2);               break;
776
777                 /* Fn+Space Power4Gear Hybrid */
778                 case 0x5c: asus_map_key_clear(KEY_PROG3);               break;
779
780                 /* Fn+F5 "fan" symbol on FX503VD */
781                 case 0x99: asus_map_key_clear(KEY_PROG4);               break;
782
783                 default:
784                         /* ASUS lazily declares 256 usages, ignore the rest,
785                          * as some make the keyboard appear as a pointer device. */
786                         return -1;
787                 }
788
789                 /*
790                  * Check and enable backlight only on devices with UsagePage ==
791                  * 0xff31 to avoid initializing the keyboard firmware multiple
792                  * times on devices with multiple HID descriptors but same
793                  * PID/VID.
794                  */
795                 if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT)
796                         drvdata->enable_backlight = true;
797
798                 set_bit(EV_REP, hi->input->evbit);
799                 return 1;
800         }
801
802         if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
803                 switch (usage->hid & HID_USAGE) {
804                 case 0xff01: asus_map_key_clear(BTN_1); break;
805                 case 0xff02: asus_map_key_clear(BTN_2); break;
806                 case 0xff03: asus_map_key_clear(BTN_3); break;
807                 case 0xff04: asus_map_key_clear(BTN_4); break;
808                 case 0xff05: asus_map_key_clear(BTN_5); break;
809                 case 0xff06: asus_map_key_clear(BTN_6); break;
810                 case 0xff07: asus_map_key_clear(BTN_7); break;
811                 case 0xff08: asus_map_key_clear(BTN_8); break;
812                 case 0xff09: asus_map_key_clear(BTN_9); break;
813                 case 0xff0a: asus_map_key_clear(BTN_A); break;
814                 case 0xff0b: asus_map_key_clear(BTN_B); break;
815                 case 0x00f1: asus_map_key_clear(KEY_WLAN);      break;
816                 case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN);    break;
817                 case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP);      break;
818                 case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF);       break;
819                 case 0x00f7: asus_map_key_clear(KEY_CAMERA);    break;
820                 case 0x00f8: asus_map_key_clear(KEY_PROG1);     break;
821                 default:
822                         return 0;
823                 }
824
825                 set_bit(EV_REP, hi->input->evbit);
826                 return 1;
827         }
828
829         if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES &&
830                 (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
831                 switch (usage->hid & HID_USAGE) {
832                 case 0xe2: /* Mute */
833                 case 0xe9: /* Volume up */
834                 case 0xea: /* Volume down */
835                         return 0;
836                 default:
837                         /* Ignore dummy Consumer usages which make the
838                          * keyboard incorrectly appear as a pointer device.
839                          */
840                         return -1;
841                 }
842         }
843
844         /*
845          * The mute button is broken and only sends press events, we
846          * deal with this in our raw_event handler, so do not map it.
847          */
848         if ((drvdata->quirks & QUIRK_MEDION_E1239T) &&
849             usage->hid == (HID_UP_CONSUMER | 0xe2)) {
850                 input_set_capability(hi->input, EV_KEY, KEY_MUTE);
851                 return -1;
852         }
853
854         return 0;
855 }
856
857 static int asus_start_multitouch(struct hid_device *hdev)
858 {
859         int ret;
860         static const unsigned char buf[] = {
861                 FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00
862         };
863         unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL);
864
865         if (!dmabuf) {
866                 ret = -ENOMEM;
867                 hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret);
868                 return ret;
869         }
870
871         ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf),
872                                         HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
873
874         kfree(dmabuf);
875
876         if (ret != sizeof(buf)) {
877                 hid_err(hdev, "Asus failed to start multitouch: %d\n", ret);
878                 return ret;
879         }
880
881         return 0;
882 }
883
884 static int __maybe_unused asus_reset_resume(struct hid_device *hdev)
885 {
886         struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
887
888         if (drvdata->tp)
889                 return asus_start_multitouch(hdev);
890
891         return 0;
892 }
893
894 static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
895 {
896         int ret;
897         struct asus_drvdata *drvdata;
898
899         drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL);
900         if (drvdata == NULL) {
901                 hid_err(hdev, "Can't alloc Asus descriptor\n");
902                 return -ENOMEM;
903         }
904
905         hid_set_drvdata(hdev, drvdata);
906
907         drvdata->quirks = id->driver_data;
908
909         /*
910          * T90CHI's keyboard dock returns same ID values as T100CHI's dock.
911          * Thus, identify T90CHI dock with product name string.
912          */
913         if (strstr(hdev->name, "T90CHI")) {
914                 drvdata->quirks &= ~QUIRK_T100CHI;
915                 drvdata->quirks |= QUIRK_T90CHI;
916         }
917
918         if (drvdata->quirks & QUIRK_IS_MULTITOUCH)
919                 drvdata->tp = &asus_i2c_tp;
920
921         if ((drvdata->quirks & QUIRK_T100_KEYBOARD) &&
922             hid_is_using_ll_driver(hdev, &usb_hid_driver)) {
923                 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
924
925                 if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) {
926                         drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING;
927                         /*
928                          * The T100HA uses the same USB-ids as the T100TAF and
929                          * the T200TA uses the same USB-ids as the T100TA, while
930                          * both have different max x/y values as the T100TA[F].
931                          */
932                         if (dmi_match(DMI_PRODUCT_NAME, "T100HAN"))
933                                 drvdata->tp = &asus_t100ha_tp;
934                         else if (dmi_match(DMI_PRODUCT_NAME, "T200TA"))
935                                 drvdata->tp = &asus_t200ta_tp;
936                         else
937                                 drvdata->tp = &asus_t100ta_tp;
938                 }
939         }
940
941         if (drvdata->quirks & QUIRK_T100CHI) {
942                 /*
943                  * All functionality is on a single HID interface and for
944                  * userspace the touchpad must be a separate input_dev.
945                  */
946                 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
947                 drvdata->tp = &asus_t100chi_tp;
948         }
949
950         if ((drvdata->quirks & QUIRK_MEDION_E1239T) &&
951             hid_is_using_ll_driver(hdev, &usb_hid_driver)) {
952                 struct usb_host_interface *alt =
953                         to_usb_interface(hdev->dev.parent)->altsetting;
954
955                 if (alt->desc.bInterfaceNumber == MEDION_E1239T_TPAD_INTF) {
956                         /* For separate input-devs for tp and tp toggle key */
957                         hdev->quirks |= HID_QUIRK_MULTI_INPUT;
958                         drvdata->quirks |= QUIRK_SKIP_INPUT_MAPPING;
959                         drvdata->tp = &medion_e1239t_tp;
960                 }
961         }
962
963         if (drvdata->quirks & QUIRK_NO_INIT_REPORTS)
964                 hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
965
966         drvdata->hdev = hdev;
967
968         if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
969                 ret = asus_battery_probe(hdev);
970                 if (ret) {
971                         hid_err(hdev,
972                             "Asus hid battery_probe failed: %d\n", ret);
973                         return ret;
974                 }
975         }
976
977         ret = hid_parse(hdev);
978         if (ret) {
979                 hid_err(hdev, "Asus hid parse failed: %d\n", ret);
980                 return ret;
981         }
982
983         /* use hid-multitouch for T101HA touchpad */
984         if (id->driver_data & QUIRK_T101HA_DOCK &&
985             hdev->collection->usage == HID_GD_MOUSE)
986                 return -ENODEV;
987
988         ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
989         if (ret) {
990                 hid_err(hdev, "Asus hw start failed: %d\n", ret);
991                 return ret;
992         }
993
994         if (!drvdata->input) {
995                 hid_err(hdev, "Asus input not registered\n");
996                 ret = -ENOMEM;
997                 goto err_stop_hw;
998         }
999
1000         if (drvdata->tp) {
1001                 drvdata->input->name = "Asus TouchPad";
1002         } else {
1003                 drvdata->input->name = "Asus Keyboard";
1004         }
1005
1006         if (drvdata->tp) {
1007                 ret = asus_start_multitouch(hdev);
1008                 if (ret)
1009                         goto err_stop_hw;
1010         }
1011
1012         return 0;
1013 err_stop_hw:
1014         hid_hw_stop(hdev);
1015         return ret;
1016 }
1017
1018 static void asus_remove(struct hid_device *hdev)
1019 {
1020         struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1021
1022         if (drvdata->kbd_backlight) {
1023                 drvdata->kbd_backlight->removed = true;
1024                 cancel_work_sync(&drvdata->kbd_backlight->work);
1025         }
1026
1027         hid_hw_stop(hdev);
1028 }
1029
1030 static const __u8 asus_g752_fixed_rdesc[] = {
1031         0x19, 0x00,                     /*   Usage Minimum (0x00)       */
1032         0x2A, 0xFF, 0x00,               /*   Usage Maximum (0xFF)       */
1033 };
1034
1035 static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
1036                 unsigned int *rsize)
1037 {
1038         struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1039
1040         if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT &&
1041                         *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) {
1042                 hid_info(hdev, "Fixing up Asus notebook report descriptor\n");
1043                 rdesc[55] = 0xdd;
1044         }
1045         /* For the T100TA/T200TA keyboard dock */
1046         if (drvdata->quirks & QUIRK_T100_KEYBOARD &&
1047                  (*rsize == 76 || *rsize == 101) &&
1048                  rdesc[73] == 0x81 && rdesc[74] == 0x01) {
1049                 hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n");
1050                 rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT;
1051         }
1052         /* For the T100CHI/T90CHI keyboard dock */
1053         if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
1054                 int rsize_orig;
1055                 int offs;
1056
1057                 if (drvdata->quirks & QUIRK_T100CHI) {
1058                         rsize_orig = 403;
1059                         offs = 388;
1060                 } else {
1061                         rsize_orig = 306;
1062                         offs = 291;
1063                 }
1064
1065                 /*
1066                  * Change Usage (76h) to Usage Minimum (00h), Usage Maximum
1067                  * (FFh) and clear the flags in the Input() byte.
1068                  * Note the descriptor has a bogus 0 byte at the end so we
1069                  * only need 1 extra byte.
1070                  */
1071                 if (*rsize == rsize_orig &&
1072                         rdesc[offs] == 0x09 && rdesc[offs + 1] == 0x76) {
1073                         *rsize = rsize_orig + 1;
1074                         rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL);
1075                         if (!rdesc)
1076                                 return NULL;
1077
1078                         hid_info(hdev, "Fixing up %s keyb report descriptor\n",
1079                                 drvdata->quirks & QUIRK_T100CHI ?
1080                                 "T100CHI" : "T90CHI");
1081                         memmove(rdesc + offs + 4, rdesc + offs + 2, 12);
1082                         rdesc[offs] = 0x19;
1083                         rdesc[offs + 1] = 0x00;
1084                         rdesc[offs + 2] = 0x29;
1085                         rdesc[offs + 3] = 0xff;
1086                         rdesc[offs + 14] = 0x00;
1087                 }
1088         }
1089
1090         if (drvdata->quirks & QUIRK_G752_KEYBOARD &&
1091                  *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) {
1092                 /* report is missing usage mninum and maximum */
1093                 __u8 *new_rdesc;
1094                 size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc);
1095
1096                 new_rdesc = devm_kzalloc(&hdev->dev, new_size, GFP_KERNEL);
1097                 if (new_rdesc == NULL)
1098                         return rdesc;
1099
1100                 hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n");
1101                 /* copy the valid part */
1102                 memcpy(new_rdesc, rdesc, 61);
1103                 /* insert missing part */
1104                 memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc));
1105                 /* copy remaining data */
1106                 memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61);
1107
1108                 *rsize = new_size;
1109                 rdesc = new_rdesc;
1110         }
1111
1112         return rdesc;
1113 }
1114
1115 static const struct hid_device_id asus_devices[] = {
1116         { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
1117                 USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS},
1118         { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
1119                 USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS },
1120         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1121                 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT },
1122         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1123                 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT },
1124         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1125                 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD },
1126         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1127                 USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD),
1128           QUIRK_USE_KBD_BACKLIGHT },
1129         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1130                 USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD),
1131           QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
1132         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1133                 USB_DEVICE_ID_ASUSTEK_T100TAF_KEYBOARD),
1134           QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
1135         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1136                 USB_DEVICE_ID_ASUSTEK_T101HA_KEYBOARD), QUIRK_T101HA_DOCK },
1137         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) },
1138         { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) },
1139         { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) },
1140         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK,
1141                 USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI },
1142         { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE_MEDION_E1239T),
1143                 QUIRK_MEDION_E1239T },
1144         { }
1145 };
1146 MODULE_DEVICE_TABLE(hid, asus_devices);
1147
1148 static struct hid_driver asus_driver = {
1149         .name                   = "asus",
1150         .id_table               = asus_devices,
1151         .report_fixup           = asus_report_fixup,
1152         .probe                  = asus_probe,
1153         .remove                 = asus_remove,
1154         .input_mapping          = asus_input_mapping,
1155         .input_configured       = asus_input_configured,
1156 #ifdef CONFIG_PM
1157         .reset_resume           = asus_reset_resume,
1158 #endif
1159         .event                  = asus_event,
1160         .raw_event              = asus_raw_event
1161 };
1162 module_hid_driver(asus_driver);
1163
1164 MODULE_LICENSE("GPL");