Eric Lee / smarc-fsl-linux-kernel

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drivers/hid/hid-jabra.c 1.39 KB
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2874c5fd2   Thomas Gleixner   treewide: Replace... 
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  // SPDX-License-Identifier: GPL-2.0-or-later
19ca28271   Niels Skou Olsen   HID: Add special ... 
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  /*
   *  Jabra USB HID Driver
   *
   *  Copyright (c) 2017 Niels Skou Olsen <nolsen@jabra.com>
   */
  
  /*
19ca28271   Niels Skou Olsen   HID: Add special ... 
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   */
  
  #include <linux/hid.h>
  #include <linux/module.h>
  
  #include "hid-ids.h"
  
  #define HID_UP_VENDOR_DEFINED_MIN	0xff000000
  #define HID_UP_VENDOR_DEFINED_MAX	0xffff0000
  
  static int jabra_input_mapping(struct hid_device *hdev,
  			       struct hid_input *hi,
  			       struct hid_field *field,
  			       struct hid_usage *usage,
  			       unsigned long **bit, int *max)
  {
  	int is_vendor_defined =
  		((usage->hid & HID_USAGE_PAGE) >= HID_UP_VENDOR_DEFINED_MIN &&
  		 (usage->hid & HID_USAGE_PAGE) <= HID_UP_VENDOR_DEFINED_MAX);
  
  	dbg_hid("hid=0x%08x appl=0x%08x coll_idx=0x%02x usage_idx=0x%02x: %s
  ",
  		usage->hid,
  		field->application,
  		usage->collection_index,
  		usage->usage_index,
  		is_vendor_defined ? "ignored" : "defaulted");
  
  	/* Ignore vendor defined usages, default map standard usages */
  	return is_vendor_defined ? -1 : 0;
  }
  
  static const struct hid_device_id jabra_devices[] = {
  	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, HID_ANY_ID) },
  	{ }
  };
  MODULE_DEVICE_TABLE(hid, jabra_devices);
  
  static struct hid_driver jabra_driver = {
  	.name = "jabra",
  	.id_table = jabra_devices,
  	.input_mapping = jabra_input_mapping,
  };
  module_hid_driver(jabra_driver);
  
  MODULE_AUTHOR("Niels Skou Olsen <nolsen@jabra.com>");
  MODULE_DESCRIPTION("Jabra USB HID Driver");
  MODULE_LICENSE("GPL");