xref: /openbmc/linux/drivers/hid/hid-lcpower.c (revision 54cbac81)
1 /*
2  *  HID driver for LC Power Model RC1000MCE
3  *
4  *  Copyright (c) 2011 Chris Schlund
5  *  based on hid-topseed module
6  */
7 
8 /*
9  * This program is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU General Public License as published by the Free
11  * Software Foundation; either version 2 of the License, or (at your option)
12  * any later version.
13  */
14 
15 #include <linux/device.h>
16 #include <linux/hid.h>
17 #include <linux/module.h>
18 
19 #include "hid-ids.h"
20 
21 #define ts_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
22 					EV_KEY, (c))
23 static int ts_input_mapping(struct hid_device *hdev, struct hid_input *hi,
24 		struct hid_field *field, struct hid_usage *usage,
25 		unsigned long **bit, int *max)
26 {
27 	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
28 		return 0;
29 
30 	switch (usage->hid & HID_USAGE) {
31         case 0x046: ts_map_key_clear(KEY_YELLOW);         break;
32         case 0x047: ts_map_key_clear(KEY_GREEN);          break;
33         case 0x049: ts_map_key_clear(KEY_BLUE);           break;
34         case 0x04a: ts_map_key_clear(KEY_RED);		  break;
35         case 0x00d: ts_map_key_clear(KEY_HOME);           break;
36         case 0x025: ts_map_key_clear(KEY_TV);             break;
37         case 0x048: ts_map_key_clear(KEY_VCR);            break;
38         case 0x024: ts_map_key_clear(KEY_MENU);           break;
39         default:
40         return 0;
41 	}
42 
43 	return 1;
44 }
45 
46 static const struct hid_device_id ts_devices[] = {
47 	{ HID_USB_DEVICE( USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000) },
48 	{ }
49 };
50 MODULE_DEVICE_TABLE(hid, ts_devices);
51 
52 static struct hid_driver ts_driver = {
53 	.name = "LC RC1000MCE",
54 	.id_table = ts_devices,
55 	.input_mapping = ts_input_mapping,
56 };
57 
58 static int __init ts_init(void)
59 {
60 	return hid_register_driver(&ts_driver);
61 }
62 
63 static void __exit ts_exit(void)
64 {
65 	hid_unregister_driver(&ts_driver);
66 }
67 
68 module_init(ts_init);
69 module_exit(ts_exit);
70 MODULE_LICENSE("GPL");
71