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HID: add support for Keytouch IEC 60945 

The keyboard has several bugs in its report descriptor, most
importantly the Logical Min/Max are completely off.

Replace it with simplified descriptor which describes it properly.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Jiri Kosina 2011-02-17 15:12:45 +01:00
parent 6d3bfb7434
commit 177900e8c9
5 changed files with 79 additions and 0 deletions
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8
drivers/hid/Kconfig
View File

@ -180,6 +180,14 @@ config HID_EZKEY
---help---
Support for Ezkey BTC 8193 keyboard.
config HID_KEYTOUCH
tristate "Keyoutch HID devices"
depends on USB_HID
---help---
Support for Keytouch HID devices not fully compliant with
the specification. Currently supported:
- Keytouch IEC 60945
config HID_KYE
tristate "Kye/Genius Ergo Mouse" if EMBEDDED
depends on USB_HID

1
drivers/hid/Makefile
View File

@ -41,6 +41,7 @@ obj-$(CONFIG_HID_ELECOM) += hid-elecom.o
obj-$(CONFIG_HID_EZKEY) += hid-ezkey.o
obj-$(CONFIG_HID_GYRATION) += hid-gyration.o
obj-$(CONFIG_HID_KENSINGTON) += hid-kensington.o
obj-$(CONFIG_HID_KEYTOUCH) += hid-keytouch.o
obj-$(CONFIG_HID_KYE) += hid-kye.o
obj-$(CONFIG_HID_LCPOWER) += hid-lcpower.o
obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o

1
drivers/hid/hid-core.c
View File

@ -1379,6 +1379,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
{ HID_USB_DEVICE(USB_VENDOR_ID_HANVON, USB_DEVICE_ID_HANVON_MULTITOUCH) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },

3
drivers/hid/hid-ids.h
View File

@ -345,6 +345,9 @@
#define USB_VENDOR_ID_KWORLD 0x1b80
#define USB_DEVICE_ID_KWORLD_RADIO_FM700 0xd700
#define USB_VENDOR_ID_KEYTOUCH 0x0926
#define USB_DEVICE_ID_KEYTOUCH_IEC 0x3333
#define USB_VENDOR_ID_KYE 0x0458
#define USB_DEVICE_ID_KYE_ERGO_525V 0x0087
#define USB_DEVICE_ID_KYE_GPEN_560 0x5003

66
drivers/hid/hid-keytouch.c Normal file
View File

@ -0,0 +1,66 @@
/*
* HID driver for Keytouch devices not fully compliant with HID standard
*
* Copyright (c) 2011 Jiri Kosina
*/
/*
* 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"
/* Replace the broken report descriptor of this device with rather
* a default one */
static __u8 keytouch_fixed_rdesc[] = {
0x05, 0x01, 0x09, 0x06, 0xa1, 0x01, 0x05, 0x07, 0x19, 0xe0, 0x29, 0xe7, 0x15,
0x00, 0x25, 0x01, 0x75, 0x01, 0x95, 0x08, 0x81, 0x02, 0x95, 0x01, 0x75, 0x08,
0x81, 0x01, 0x95, 0x03, 0x75, 0x01, 0x05, 0x08, 0x19, 0x01, 0x29, 0x03, 0x91,
0x02, 0x95, 0x05, 0x75, 0x01, 0x91, 0x01, 0x95, 0x06, 0x75, 0x08, 0x15, 0x00,
0x26, 0xff, 0x00, 0x05, 0x07, 0x19, 0x00, 0x2a, 0xff, 0x00, 0x81, 0x00, 0xc0
};
static __u8 *keytouch_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
hid_info(hdev, "fixing up Keytouch IEC report descriptor\n");
rdesc = keytouch_fixed_rdesc;
*rsize = sizeof(keytouch_fixed_rdesc);
return rdesc;
}
static const struct hid_device_id keytouch_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
{ }
};
MODULE_DEVICE_TABLE(hid, keytouch_devices);
static struct hid_driver keytouch_driver = {
.name = "keytouch",
.id_table = keytouch_devices,
.report_fixup = keytouch_report_fixup,
};
static int __init keytouch_init(void)
{
return hid_register_driver(&keytouch_driver);
}
static void __exit keytouch_exit(void)
{
hid_unregister_driver(&keytouch_driver);
}
module_init(keytouch_init);
module_exit(keytouch_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jiri Kosina");