50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* HID driver for Kensigton Slimblade Trackball
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*
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* Copyright (c) 2009 Jiri Kosina
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*/
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/*
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*/
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#include <linux/device.h>
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#include <linux/input.h>
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#include <linux/hid.h>
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#include <linux/module.h>
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#include "hid-ids.h"
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#define ks_map_key(c) hid_map_usage(hi, usage, bit, max, EV_KEY, (c))
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static int ks_input_mapping(struct hid_device *hdev, struct hid_input *hi,
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struct hid_field *field, struct hid_usage *usage,
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unsigned long **bit, int *max)
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{
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if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR)
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return 0;
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switch (usage->hid & HID_USAGE) {
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case 0x01: ks_map_key(BTN_MIDDLE); break;
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case 0x02: ks_map_key(BTN_SIDE); break;
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default:
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return 0;
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}
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return 1;
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}
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static const struct hid_device_id ks_devices[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
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{ }
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};
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MODULE_DEVICE_TABLE(hid, ks_devices);
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static struct hid_driver ks_driver = {
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.name = "kensington",
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.id_table = ks_devices,
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.input_mapping = ks_input_mapping,
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};
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module_hid_driver(ks_driver);
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MODULE_LICENSE("GPL");
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