Version:  2.0.40 2.2.26 2.4.37 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0

Linux/drivers/hid/hid-roccat-pyra.c

  1 /*
  2  * Roccat Pyra driver for Linux
  3  *
  4  * Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net>
  5  */
  6 
  7 /*
  8  * This program is free software; you can redistribute it and/or modify it
  9  * under the terms of the GNU General Public License as published by the Free
 10  * Software Foundation; either version 2 of the License, or (at your option)
 11  * any later version.
 12  */
 13 
 14 /*
 15  * Roccat Pyra is a mobile gamer mouse which comes in wired and wireless
 16  * variant. Wireless variant is not tested.
 17  * Userland tools can be found at http://sourceforge.net/projects/roccat
 18  */
 19 
 20 #include <linux/device.h>
 21 #include <linux/input.h>
 22 #include <linux/hid.h>
 23 #include <linux/module.h>
 24 #include <linux/slab.h>
 25 #include <linux/hid-roccat.h>
 26 #include "hid-ids.h"
 27 #include "hid-roccat-common.h"
 28 #include "hid-roccat-pyra.h"
 29 
 30 static uint profile_numbers[5] = {0, 1, 2, 3, 4};
 31 
 32 /* pyra_class is used for creating sysfs attributes via roccat char device */
 33 static struct class *pyra_class;
 34 
 35 static void profile_activated(struct pyra_device *pyra,
 36                 unsigned int new_profile)
 37 {
 38         if (new_profile >= ARRAY_SIZE(pyra->profile_settings))
 39                 return;
 40         pyra->actual_profile = new_profile;
 41         pyra->actual_cpi = pyra->profile_settings[pyra->actual_profile].y_cpi;
 42 }
 43 
 44 static int pyra_send_control(struct usb_device *usb_dev, int value,
 45                 enum pyra_control_requests request)
 46 {
 47         struct roccat_common2_control control;
 48 
 49         if ((request == PYRA_CONTROL_REQUEST_PROFILE_SETTINGS ||
 50                         request == PYRA_CONTROL_REQUEST_PROFILE_BUTTONS) &&
 51                         (value < 0 || value > 4))
 52                 return -EINVAL;
 53 
 54         control.command = ROCCAT_COMMON_COMMAND_CONTROL;
 55         control.value = value;
 56         control.request = request;
 57 
 58         return roccat_common2_send(usb_dev, ROCCAT_COMMON_COMMAND_CONTROL,
 59                         &control, sizeof(struct roccat_common2_control));
 60 }
 61 
 62 static int pyra_get_profile_settings(struct usb_device *usb_dev,
 63                 struct pyra_profile_settings *buf, int number)
 64 {
 65         int retval;
 66         retval = pyra_send_control(usb_dev, number,
 67                         PYRA_CONTROL_REQUEST_PROFILE_SETTINGS);
 68         if (retval)
 69                 return retval;
 70         return roccat_common2_receive(usb_dev, PYRA_COMMAND_PROFILE_SETTINGS,
 71                         buf, PYRA_SIZE_PROFILE_SETTINGS);
 72 }
 73 
 74 static int pyra_get_settings(struct usb_device *usb_dev,
 75                 struct pyra_settings *buf)
 76 {
 77         return roccat_common2_receive(usb_dev, PYRA_COMMAND_SETTINGS,
 78                         buf, PYRA_SIZE_SETTINGS);
 79 }
 80 
 81 static int pyra_set_settings(struct usb_device *usb_dev,
 82                 struct pyra_settings const *settings)
 83 {
 84         return roccat_common2_send_with_status(usb_dev,
 85                         PYRA_COMMAND_SETTINGS, settings,
 86                         PYRA_SIZE_SETTINGS);
 87 }
 88 
 89 static ssize_t pyra_sysfs_read(struct file *fp, struct kobject *kobj,
 90                 char *buf, loff_t off, size_t count,
 91                 size_t real_size, uint command)
 92 {
 93         struct device *dev =
 94                         container_of(kobj, struct device, kobj)->parent->parent;
 95         struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
 96         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
 97         int retval;
 98 
 99         if (off >= real_size)
100                 return 0;
101 
102         if (off != 0 || count != real_size)
103                 return -EINVAL;
104 
105         mutex_lock(&pyra->pyra_lock);
106         retval = roccat_common2_receive(usb_dev, command, buf, real_size);
107         mutex_unlock(&pyra->pyra_lock);
108 
109         if (retval)
110                 return retval;
111 
112         return real_size;
113 }
114 
115 static ssize_t pyra_sysfs_write(struct file *fp, struct kobject *kobj,
116                 void const *buf, loff_t off, size_t count,
117                 size_t real_size, uint command)
118 {
119         struct device *dev =
120                         container_of(kobj, struct device, kobj)->parent->parent;
121         struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
122         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
123         int retval;
124 
125         if (off != 0 || count != real_size)
126                 return -EINVAL;
127 
128         mutex_lock(&pyra->pyra_lock);
129         retval = roccat_common2_send_with_status(usb_dev, command, (void *)buf, real_size);
130         mutex_unlock(&pyra->pyra_lock);
131 
132         if (retval)
133                 return retval;
134 
135         return real_size;
136 }
137 
138 #define PYRA_SYSFS_W(thingy, THINGY) \
139 static ssize_t pyra_sysfs_write_ ## thingy(struct file *fp, \
140                 struct kobject *kobj, struct bin_attribute *attr, char *buf, \
141                 loff_t off, size_t count) \
142 { \
143         return pyra_sysfs_write(fp, kobj, buf, off, count, \
144                         PYRA_SIZE_ ## THINGY, PYRA_COMMAND_ ## THINGY); \
145 }
146 
147 #define PYRA_SYSFS_R(thingy, THINGY) \
148 static ssize_t pyra_sysfs_read_ ## thingy(struct file *fp, \
149                 struct kobject *kobj, struct bin_attribute *attr, char *buf, \
150                 loff_t off, size_t count) \
151 { \
152         return pyra_sysfs_read(fp, kobj, buf, off, count, \
153                         PYRA_SIZE_ ## THINGY, PYRA_COMMAND_ ## THINGY); \
154 }
155 
156 #define PYRA_SYSFS_RW(thingy, THINGY) \
157 PYRA_SYSFS_W(thingy, THINGY) \
158 PYRA_SYSFS_R(thingy, THINGY)
159 
160 #define PYRA_BIN_ATTRIBUTE_RW(thingy, THINGY) \
161 PYRA_SYSFS_RW(thingy, THINGY); \
162 static struct bin_attribute bin_attr_##thingy = { \
163         .attr = { .name = #thingy, .mode = 0660 }, \
164         .size = PYRA_SIZE_ ## THINGY, \
165         .read = pyra_sysfs_read_ ## thingy, \
166         .write = pyra_sysfs_write_ ## thingy \
167 }
168 
169 #define PYRA_BIN_ATTRIBUTE_R(thingy, THINGY) \
170 PYRA_SYSFS_R(thingy, THINGY); \
171 static struct bin_attribute bin_attr_##thingy = { \
172         .attr = { .name = #thingy, .mode = 0440 }, \
173         .size = PYRA_SIZE_ ## THINGY, \
174         .read = pyra_sysfs_read_ ## thingy, \
175 }
176 
177 #define PYRA_BIN_ATTRIBUTE_W(thingy, THINGY) \
178 PYRA_SYSFS_W(thingy, THINGY); \
179 static struct bin_attribute bin_attr_##thingy = { \
180         .attr = { .name = #thingy, .mode = 0220 }, \
181         .size = PYRA_SIZE_ ## THINGY, \
182         .write = pyra_sysfs_write_ ## thingy \
183 }
184 
185 PYRA_BIN_ATTRIBUTE_W(control, CONTROL);
186 PYRA_BIN_ATTRIBUTE_RW(info, INFO);
187 PYRA_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS);
188 PYRA_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS);
189 
190 static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp,
191                 struct kobject *kobj, struct bin_attribute *attr, char *buf,
192                 loff_t off, size_t count)
193 {
194         struct device *dev =
195                         container_of(kobj, struct device, kobj)->parent->parent;
196         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
197         ssize_t retval;
198 
199         retval = pyra_send_control(usb_dev, *(uint *)(attr->private),
200                         PYRA_CONTROL_REQUEST_PROFILE_SETTINGS);
201         if (retval)
202                 return retval;
203 
204         return pyra_sysfs_read(fp, kobj, buf, off, count,
205                         PYRA_SIZE_PROFILE_SETTINGS,
206                         PYRA_COMMAND_PROFILE_SETTINGS);
207 }
208 
209 static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp,
210                 struct kobject *kobj, struct bin_attribute *attr, char *buf,
211                 loff_t off, size_t count)
212 {
213         struct device *dev =
214                         container_of(kobj, struct device, kobj)->parent->parent;
215         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
216         ssize_t retval;
217 
218         retval = pyra_send_control(usb_dev, *(uint *)(attr->private),
219                         PYRA_CONTROL_REQUEST_PROFILE_BUTTONS);
220         if (retval)
221                 return retval;
222 
223         return pyra_sysfs_read(fp, kobj, buf, off, count,
224                         PYRA_SIZE_PROFILE_BUTTONS,
225                         PYRA_COMMAND_PROFILE_BUTTONS);
226 }
227 
228 #define PROFILE_ATTR(number)                                            \
229 static struct bin_attribute bin_attr_profile##number##_settings = {     \
230         .attr = { .name = "profile" #number "_settings", .mode = 0440 },        \
231         .size = PYRA_SIZE_PROFILE_SETTINGS,                             \
232         .read = pyra_sysfs_read_profilex_settings,                      \
233         .private = &profile_numbers[number-1],                          \
234 };                                                                      \
235 static struct bin_attribute bin_attr_profile##number##_buttons = {      \
236         .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \
237         .size = PYRA_SIZE_PROFILE_BUTTONS,                              \
238         .read = pyra_sysfs_read_profilex_buttons,                       \
239         .private = &profile_numbers[number-1],                          \
240 };
241 PROFILE_ATTR(1);
242 PROFILE_ATTR(2);
243 PROFILE_ATTR(3);
244 PROFILE_ATTR(4);
245 PROFILE_ATTR(5);
246 
247 static ssize_t pyra_sysfs_write_settings(struct file *fp,
248                 struct kobject *kobj, struct bin_attribute *attr, char *buf,
249                 loff_t off, size_t count)
250 {
251         struct device *dev =
252                         container_of(kobj, struct device, kobj)->parent->parent;
253         struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
254         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
255         int retval = 0;
256         struct pyra_roccat_report roccat_report;
257         struct pyra_settings const *settings;
258 
259         if (off != 0 || count != PYRA_SIZE_SETTINGS)
260                 return -EINVAL;
261 
262         settings = (struct pyra_settings const *)buf;
263         if (settings->startup_profile >= ARRAY_SIZE(pyra->profile_settings))
264                 return -EINVAL;
265 
266         mutex_lock(&pyra->pyra_lock);
267 
268         retval = pyra_set_settings(usb_dev, settings);
269         if (retval) {
270                 mutex_unlock(&pyra->pyra_lock);
271                 return retval;
272         }
273 
274         profile_activated(pyra, settings->startup_profile);
275 
276         roccat_report.type = PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2;
277         roccat_report.value = settings->startup_profile + 1;
278         roccat_report.key = 0;
279         roccat_report_event(pyra->chrdev_minor,
280                         (uint8_t const *)&roccat_report);
281 
282         mutex_unlock(&pyra->pyra_lock);
283         return PYRA_SIZE_SETTINGS;
284 }
285 
286 PYRA_SYSFS_R(settings, SETTINGS);
287 static struct bin_attribute bin_attr_settings =
288         __BIN_ATTR(settings, (S_IWUSR | S_IRUGO),
289                    pyra_sysfs_read_settings, pyra_sysfs_write_settings,
290                    PYRA_SIZE_SETTINGS);
291 
292 static ssize_t pyra_sysfs_show_actual_cpi(struct device *dev,
293                 struct device_attribute *attr, char *buf)
294 {
295         struct pyra_device *pyra =
296                         hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
297         return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_cpi);
298 }
299 static DEVICE_ATTR(actual_cpi, 0440, pyra_sysfs_show_actual_cpi, NULL);
300 
301 static ssize_t pyra_sysfs_show_actual_profile(struct device *dev,
302                 struct device_attribute *attr, char *buf)
303 {
304         struct pyra_device *pyra =
305                         hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
306         struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
307         struct pyra_settings settings;
308 
309         mutex_lock(&pyra->pyra_lock);
310         roccat_common2_receive(usb_dev, PYRA_COMMAND_SETTINGS,
311                         &settings, PYRA_SIZE_SETTINGS);
312         mutex_unlock(&pyra->pyra_lock);
313 
314         return snprintf(buf, PAGE_SIZE, "%d\n", settings.startup_profile);
315 }
316 static DEVICE_ATTR(actual_profile, 0440, pyra_sysfs_show_actual_profile, NULL);
317 static DEVICE_ATTR(startup_profile, 0440, pyra_sysfs_show_actual_profile, NULL);
318 
319 static ssize_t pyra_sysfs_show_firmware_version(struct device *dev,
320                 struct device_attribute *attr, char *buf)
321 {
322         struct pyra_device *pyra;
323         struct usb_device *usb_dev;
324         struct pyra_info info;
325 
326         dev = dev->parent->parent;
327         pyra = hid_get_drvdata(dev_get_drvdata(dev));
328         usb_dev = interface_to_usbdev(to_usb_interface(dev));
329 
330         mutex_lock(&pyra->pyra_lock);
331         roccat_common2_receive(usb_dev, PYRA_COMMAND_INFO,
332                         &info, PYRA_SIZE_INFO);
333         mutex_unlock(&pyra->pyra_lock);
334 
335         return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
336 }
337 static DEVICE_ATTR(firmware_version, 0440, pyra_sysfs_show_firmware_version,
338                    NULL);
339 
340 static struct attribute *pyra_attrs[] = {
341         &dev_attr_actual_cpi.attr,
342         &dev_attr_actual_profile.attr,
343         &dev_attr_firmware_version.attr,
344         &dev_attr_startup_profile.attr,
345         NULL,
346 };
347 
348 static struct bin_attribute *pyra_bin_attributes[] = {
349         &bin_attr_control,
350         &bin_attr_info,
351         &bin_attr_profile_settings,
352         &bin_attr_profile_buttons,
353         &bin_attr_settings,
354         &bin_attr_profile1_settings,
355         &bin_attr_profile2_settings,
356         &bin_attr_profile3_settings,
357         &bin_attr_profile4_settings,
358         &bin_attr_profile5_settings,
359         &bin_attr_profile1_buttons,
360         &bin_attr_profile2_buttons,
361         &bin_attr_profile3_buttons,
362         &bin_attr_profile4_buttons,
363         &bin_attr_profile5_buttons,
364         NULL,
365 };
366 
367 static const struct attribute_group pyra_group = {
368         .attrs = pyra_attrs,
369         .bin_attrs = pyra_bin_attributes,
370 };
371 
372 static const struct attribute_group *pyra_groups[] = {
373         &pyra_group,
374         NULL,
375 };
376 
377 static int pyra_init_pyra_device_struct(struct usb_device *usb_dev,
378                 struct pyra_device *pyra)
379 {
380         struct pyra_settings settings;
381         int retval, i;
382 
383         mutex_init(&pyra->pyra_lock);
384 
385         retval = pyra_get_settings(usb_dev, &settings);
386         if (retval)
387                 return retval;
388 
389         for (i = 0; i < 5; ++i) {
390                 retval = pyra_get_profile_settings(usb_dev,
391                                 &pyra->profile_settings[i], i);
392                 if (retval)
393                         return retval;
394         }
395 
396         profile_activated(pyra, settings.startup_profile);
397 
398         return 0;
399 }
400 
401 static int pyra_init_specials(struct hid_device *hdev)
402 {
403         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
404         struct usb_device *usb_dev = interface_to_usbdev(intf);
405         struct pyra_device *pyra;
406         int retval;
407 
408         if (intf->cur_altsetting->desc.bInterfaceProtocol
409                         == USB_INTERFACE_PROTOCOL_MOUSE) {
410 
411                 pyra = kzalloc(sizeof(*pyra), GFP_KERNEL);
412                 if (!pyra) {
413                         hid_err(hdev, "can't alloc device descriptor\n");
414                         return -ENOMEM;
415                 }
416                 hid_set_drvdata(hdev, pyra);
417 
418                 retval = pyra_init_pyra_device_struct(usb_dev, pyra);
419                 if (retval) {
420                         hid_err(hdev, "couldn't init struct pyra_device\n");
421                         goto exit_free;
422                 }
423 
424                 retval = roccat_connect(pyra_class, hdev,
425                                 sizeof(struct pyra_roccat_report));
426                 if (retval < 0) {
427                         hid_err(hdev, "couldn't init char dev\n");
428                 } else {
429                         pyra->chrdev_minor = retval;
430                         pyra->roccat_claimed = 1;
431                 }
432         } else {
433                 hid_set_drvdata(hdev, NULL);
434         }
435 
436         return 0;
437 exit_free:
438         kfree(pyra);
439         return retval;
440 }
441 
442 static void pyra_remove_specials(struct hid_device *hdev)
443 {
444         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
445         struct pyra_device *pyra;
446 
447         if (intf->cur_altsetting->desc.bInterfaceProtocol
448                         == USB_INTERFACE_PROTOCOL_MOUSE) {
449                 pyra = hid_get_drvdata(hdev);
450                 if (pyra->roccat_claimed)
451                         roccat_disconnect(pyra->chrdev_minor);
452                 kfree(hid_get_drvdata(hdev));
453         }
454 }
455 
456 static int pyra_probe(struct hid_device *hdev, const struct hid_device_id *id)
457 {
458         int retval;
459 
460         retval = hid_parse(hdev);
461         if (retval) {
462                 hid_err(hdev, "parse failed\n");
463                 goto exit;
464         }
465 
466         retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
467         if (retval) {
468                 hid_err(hdev, "hw start failed\n");
469                 goto exit;
470         }
471 
472         retval = pyra_init_specials(hdev);
473         if (retval) {
474                 hid_err(hdev, "couldn't install mouse\n");
475                 goto exit_stop;
476         }
477         return 0;
478 
479 exit_stop:
480         hid_hw_stop(hdev);
481 exit:
482         return retval;
483 }
484 
485 static void pyra_remove(struct hid_device *hdev)
486 {
487         pyra_remove_specials(hdev);
488         hid_hw_stop(hdev);
489 }
490 
491 static void pyra_keep_values_up_to_date(struct pyra_device *pyra,
492                 u8 const *data)
493 {
494         struct pyra_mouse_event_button const *button_event;
495 
496         switch (data[0]) {
497         case PYRA_MOUSE_REPORT_NUMBER_BUTTON:
498                 button_event = (struct pyra_mouse_event_button const *)data;
499                 switch (button_event->type) {
500                 case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2:
501                         profile_activated(pyra, button_event->data1 - 1);
502                         break;
503                 case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI:
504                         pyra->actual_cpi = button_event->data1;
505                         break;
506                 }
507                 break;
508         }
509 }
510 
511 static void pyra_report_to_chrdev(struct pyra_device const *pyra,
512                 u8 const *data)
513 {
514         struct pyra_roccat_report roccat_report;
515         struct pyra_mouse_event_button const *button_event;
516 
517         if (data[0] != PYRA_MOUSE_REPORT_NUMBER_BUTTON)
518                 return;
519 
520         button_event = (struct pyra_mouse_event_button const *)data;
521 
522         switch (button_event->type) {
523         case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2:
524         case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI:
525                 roccat_report.type = button_event->type;
526                 roccat_report.value = button_event->data1;
527                 roccat_report.key = 0;
528                 roccat_report_event(pyra->chrdev_minor,
529                                 (uint8_t const *)&roccat_report);
530                 break;
531         case PYRA_MOUSE_EVENT_BUTTON_TYPE_MACRO:
532         case PYRA_MOUSE_EVENT_BUTTON_TYPE_SHORTCUT:
533         case PYRA_MOUSE_EVENT_BUTTON_TYPE_QUICKLAUNCH:
534                 if (button_event->data2 == PYRA_MOUSE_EVENT_BUTTON_PRESS) {
535                         roccat_report.type = button_event->type;
536                         roccat_report.key = button_event->data1;
537                         /*
538                          * pyra reports profile numbers with range 1-5.
539                          * Keeping this behaviour.
540                          */
541                         roccat_report.value = pyra->actual_profile + 1;
542                         roccat_report_event(pyra->chrdev_minor,
543                                         (uint8_t const *)&roccat_report);
544                 }
545                 break;
546         }
547 }
548 
549 static int pyra_raw_event(struct hid_device *hdev, struct hid_report *report,
550                 u8 *data, int size)
551 {
552         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
553         struct pyra_device *pyra = hid_get_drvdata(hdev);
554 
555         if (intf->cur_altsetting->desc.bInterfaceProtocol
556                         != USB_INTERFACE_PROTOCOL_MOUSE)
557                 return 0;
558 
559         if (pyra == NULL)
560                 return 0;
561 
562         pyra_keep_values_up_to_date(pyra, data);
563 
564         if (pyra->roccat_claimed)
565                 pyra_report_to_chrdev(pyra, data);
566 
567         return 0;
568 }
569 
570 static const struct hid_device_id pyra_devices[] = {
571         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT,
572                         USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
573         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT,
574                         USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
575         { }
576 };
577 
578 MODULE_DEVICE_TABLE(hid, pyra_devices);
579 
580 static struct hid_driver pyra_driver = {
581                 .name = "pyra",
582                 .id_table = pyra_devices,
583                 .probe = pyra_probe,
584                 .remove = pyra_remove,
585                 .raw_event = pyra_raw_event
586 };
587 
588 static int __init pyra_init(void)
589 {
590         int retval;
591 
592         /* class name has to be same as driver name */
593         pyra_class = class_create(THIS_MODULE, "pyra");
594         if (IS_ERR(pyra_class))
595                 return PTR_ERR(pyra_class);
596         pyra_class->dev_groups = pyra_groups;
597 
598         retval = hid_register_driver(&pyra_driver);
599         if (retval)
600                 class_destroy(pyra_class);
601         return retval;
602 }
603 
604 static void __exit pyra_exit(void)
605 {
606         hid_unregister_driver(&pyra_driver);
607         class_destroy(pyra_class);
608 }
609 
610 module_init(pyra_init);
611 module_exit(pyra_exit);
612 
613 MODULE_AUTHOR("Stefan Achatz");
614 MODULE_DESCRIPTION("USB Roccat Pyra driver");
615 MODULE_LICENSE("GPL v2");
616 

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