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2874c5fd28
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* HID driver for some sunplus "special" devices
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*
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* Copyright (c) 1999 Andreas Gal
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* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
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* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
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* Copyright (c) 2006-2007 Jiri Kosina
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* Copyright (c) 2008 Jiri Slaby
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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/hid.h>
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#include <linux/module.h>
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#include "hid-ids.h"
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static __u8 *sp_report_fixup(struct hid_device *hdev, __u8 *rdesc,
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unsigned int *rsize)
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{
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if (*rsize >= 112 && rdesc[104] == 0x26 && rdesc[105] == 0x80 &&
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rdesc[106] == 0x03) {
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hid_info(hdev, "fixing up Sunplus Wireless Desktop report descriptor\n");
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rdesc[105] = rdesc[110] = 0x03;
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rdesc[106] = rdesc[111] = 0x21;
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}
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return rdesc;
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}
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#define sp_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
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EV_KEY, (c))
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static int sp_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_CONSUMER)
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return 0;
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switch (usage->hid & HID_USAGE) {
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case 0x2003: sp_map_key_clear(KEY_ZOOMIN); break;
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case 0x2103: sp_map_key_clear(KEY_ZOOMOUT); 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 sp_devices[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
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{ }
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};
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MODULE_DEVICE_TABLE(hid, sp_devices);
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static struct hid_driver sp_driver = {
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.name = "sunplus",
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.id_table = sp_devices,
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.report_fixup = sp_report_fixup,
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.input_mapping = sp_input_mapping,
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};
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module_hid_driver(sp_driver);
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MODULE_LICENSE("GPL");
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