drivers/hid/hid-bright.c

   1 /*
   2  *  HID driver for some bright "special" devices
   3  *
   4  *  Copyright (c) 2008 Mauro Carvalho Chehab <mchehab@redhat.com>
   5  *
   6  * Based on hid-dell driver
   7  */
   8
   9 /*
  10  * This program is free software; you can redistribute it and/or modify it
  11  * under the terms of the GNU General Public License as published by the Free
  12  * Software Foundation; either version 2 of the License, or (at your option)
  13  * any later version.
  14  */
  15
  16 #include <linux/device.h>
  17 #include <linux/hid.h>
  18 #include <linux/module.h>
  19
  20 #include "hid-ids.h"
  21
  22 static int bright_probe(struct hid_device *hdev, const struct hid_device_id *id)
  23 {
  24         int ret;
  25
  26         ret = hid_parse(hdev);
  27         if (ret) {
  28                 dev_err(&hdev->dev, "parse failed\n");
  29                 goto err_free;
  30         }
  31
  32         ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
  33         if (ret) {
  34                 dev_err(&hdev->dev, "hw start failed\n");
  35                 goto err_free;
  36         }
  37
  38         usbhid_set_leds(hdev);
  39
  40         return 0;
  41 err_free:
  42         return ret;
  43 }
  44
  45 static const struct hid_device_id bright_devices[] = {
  46         { HID_USB_DEVICE(USB_VENDOR_ID_BRIGHT, USB_DEVICE_ID_BRIGHT_ABNT2) },
  47         { }
  48 };
  49 MODULE_DEVICE_TABLE(hid, bright_devices);
  50
  51 static struct hid_driver bright_driver = {
  52         .name = "bright",
  53         .id_table = bright_devices,
  54         .probe = bright_probe,
  55 };
  56
  57 static int bright_init(void)
  58 {
  59         return hid_register_driver(&bright_driver);
  60 }
  61
  62 static void bright_exit(void)
  63 {
  64         hid_unregister_driver(&bright_driver);
  65 }
  66
  67 module_init(bright_init);
  68 module_exit(bright_exit);
  69 MODULE_LICENSE("GPL");
  70
  71 HID_COMPAT_LOAD_DRIVER(bright);