Release 4.12 drivers/hid/hid-cherry.c
/*
* HID driver for some cherry "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) 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"
/*
* Cherry Cymotion keyboard have an invalid HID report descriptor,
* that needs fixing before we can parse it.
*/
static __u8 *ch_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
if (*rsize >= 18 && rdesc[11] == 0x3c && rdesc[12] == 0x02) {
hid_info(hdev, "fixing up Cherry Cymotion report descriptor\n");
rdesc[11] = rdesc[16] = 0xff;
rdesc[12] = rdesc[17] = 0x03;
}
return rdesc;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jiri Slaby | 68 | 87.18% | 1 | 25.00% |
| Nikolai Kondrashov | 7 | 8.97% | 1 | 25.00% |
| Joe Perches | 2 | 2.56% | 1 | 25.00% |
| Jiri Kosina | 1 | 1.28% | 1 | 25.00% |
| Total | 78 | 100.00% | 4 | 100.00% |
#define ch_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
EV_KEY, (c))
static int ch_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_CONSUMER)
return 0;
switch (usage->hid & HID_USAGE) {
case 0x301: ch_map_key_clear(KEY_PROG1); break;
case 0x302: ch_map_key_clear(KEY_PROG2); break;
case 0x303: ch_map_key_clear(KEY_PROG3); break;
default:
return 0;
}
return 1;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jiri Slaby | 95 | 100.00% | 1 | 100.00% |
| Total | 95 | 100.00% | 1 | 100.00% |
static const struct hid_device_id ch_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
{ }
};
MODULE_DEVICE_TABLE(hid, ch_devices);
static struct hid_driver ch_driver = {
.name = "cherry",
.id_table = ch_devices,
.report_fixup = ch_report_fixup,
.input_mapping = ch_input_mapping,
};
module_hid_driver(ch_driver);
MODULE_LICENSE("GPL");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jiri Slaby | 246 | 91.79% | 1 | 14.29% |
| Raphaël Doursenaud | 9 | 3.36% | 1 | 14.29% |
| Nikolai Kondrashov | 7 | 2.61% | 1 | 14.29% |
| H Hartley Sweeten | 2 | 0.75% | 1 | 14.29% |
| Jiri Kosina | 2 | 0.75% | 2 | 28.57% |
| Joe Perches | 2 | 0.75% | 1 | 14.29% |
| Total | 268 | 100.00% | 7 | 100.00% |
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