mirror of
https://github.com/torvalds/linux.git
synced 2024-12-27 05:11:48 +00:00
94011f93f2
Added quirks for the N-Trig digitizer. Signed-off-by: Rafi Rubin <rafi@seas.upenn.edu> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
/*
|
|
* HID driver for some ntrig "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
|
|
* Copyright (c) 2008 Rafi Rubin
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* 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"
|
|
|
|
#define NTRIG_DUPLICATE_USAGES 0x001
|
|
|
|
#define nt_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
|
|
EV_KEY, (c))
|
|
|
|
static int ntrig_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_DIGITIZER &&
|
|
(usage->hid & 0xff) == 0x47) {
|
|
nt_map_key_clear(BTN_TOOL_DOUBLETAP);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int ntrig_input_mapped(struct hid_device *hdev, struct hid_input *hi,
|
|
struct hid_field *field, struct hid_usage *usage,
|
|
unsigned long **bit, int *max)
|
|
{
|
|
if (usage->type == EV_KEY || usage->type == EV_REL
|
|
|| usage->type == EV_ABS)
|
|
clear_bit(usage->code, *bit);
|
|
|
|
return 0;
|
|
}
|
|
static const struct hid_device_id ntrig_devices[] = {
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN),
|
|
.driver_data = NTRIG_DUPLICATE_USAGES },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(hid, ntrig_devices);
|
|
|
|
static struct hid_driver ntrig_driver = {
|
|
.name = "ntrig",
|
|
.id_table = ntrig_devices,
|
|
.input_mapping = ntrig_input_mapping,
|
|
.input_mapped = ntrig_input_mapped,
|
|
};
|
|
|
|
static int ntrig_init(void)
|
|
{
|
|
return hid_register_driver(&ntrig_driver);
|
|
}
|
|
|
|
static void ntrig_exit(void)
|
|
{
|
|
hid_unregister_driver(&ntrig_driver);
|
|
}
|
|
|
|
module_init(ntrig_init);
|
|
module_exit(ntrig_exit);
|
|
MODULE_LICENSE("GPL");
|
|
|
|
HID_COMPAT_LOAD_DRIVER(ntrig);
|