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/*
* HID driver for some petalynx "special" devices
*
* Copyright (c) 1999 Andreas Gal
* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
* Copyright (c) 2006-2007 Jiri Kosina
* Copyright (c) 2007 Paul Walmsley
* Copyright (c) 2008 Jiri Slaby
*/
/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*/
#include <linux/device.h>
#include <linux/hid.h>
#include <linux/module.h>
#include "hid-ids.h"
/* Petalynx Maxter Remote has maximum for consumer page set too low */
static void pl_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int rsize)
{
if (rsize >= 60 && rdesc[39] == 0x2a && rdesc[40] == 0xf5 &&
rdesc[41] == 0x00 && rdesc[59] == 0x26 &&
rdesc[60] == 0xf9 && rdesc[61] == 0x00) {
dev_info(&hdev->dev, "fixing up Petalynx Maxter Remote report "
"descriptor\n");
rdesc[60] = 0xfa;
rdesc[40] = 0xfa;
}
}
#define pl_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
EV_KEY, (c))
static int pl_input_mapping(struct hid_device *hdev, struct hid_input *hi,
struct hid_field *field, struct hid_usage *usage,
unsigned long **bit, int *max)
{
if ((usage->hid & HID_USAGE_PAGE) == HID_UP_LOGIVENDOR) {
switch (usage->hid & HID_USAGE) {
case 0x05a: pl_map_key_clear(KEY_TEXT); break;
case 0x05b: pl_map_key_clear(KEY_RED); break;
case 0x05c: pl_map_key_clear(KEY_GREEN); break;
case 0x05d: pl_map_key_clear(KEY_YELLOW); break;
case 0x05e: pl_map_key_clear(KEY_BLUE); break;
default:
return 0;
}
return 1;
}
if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
switch (usage->hid & HID_USAGE) {
case 0x0f6: pl_map_key_clear(KEY_NEXT); break;
case 0x0fa: pl_map_key_clear(KEY_BACK); break;
default:
return 0;
}
return 1;
}
return 0;
}
static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret;
hdev->quirks |= HID_QUIRK_NOGET;
ret = hid_parse(hdev);
if (ret) {
dev_err(&hdev->dev, "parse failed\n");
goto err_free;
}
ret = hid_hw_start(hdev);
if (ret) {
dev_err(&hdev->dev, "hw start failed\n");
goto err_free;
}
return 0;
err_free:
return ret;
}
static const struct hid_device_id pl_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
{ }
};
MODULE_DEVICE_TABLE(hid, pl_devices);
static struct hid_driver pl_driver = {
.name = "petalynx",
.id_table = pl_devices,
.report_fixup = pl_report_fixup,
.input_mapping = pl_input_mapping,
.probe = pl_probe,
};
static int pl_init(void)
{
return hid_register_driver(&pl_driver);
}
static void pl_exit(void)
{
hid_unregister_driver(&pl_driver);
}
module_init(pl_init);
module_exit(pl_exit);
MODULE_LICENSE("GPL");
HID_COMPAT_LOAD_DRIVER(petalynx);
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