linux/drivers/hid/hid-penmount.c

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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* HID driver for PenMount touchscreens
*
* Copyright (c) 2014 Christian Gmeiner <christian.gmeiner <at> gmail.com>
*
* based on hid-penmount copyrighted by
* PenMount Touch Solutions <penmount <at> seed.net.tw>
*/
/*
*/
#include <linux/module.h>
#include <linux/hid.h>
#include "hid-ids.h"
static int penmount_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_BUTTON) {
if (((usage->hid - 1) & HID_USAGE) == 0) {
hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
return 1;
} else {
return -1;
}
}
return 0;
}
static const struct hid_device_id penmount_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
{ }
};
MODULE_DEVICE_TABLE(hid, penmount_devices);
static struct hid_driver penmount_driver = {
.name = "hid-penmount",
.id_table = penmount_devices,
.input_mapping = penmount_input_mapping,
};
module_hid_driver(penmount_driver);
MODULE_AUTHOR("Christian Gmeiner <christian.gmeiner@gmail.com>");
MODULE_DESCRIPTION("PenMount HID TouchScreen driver");
MODULE_LICENSE("GPL");