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HID: fix horizontal wheel for ms comfort mouse 4500 

Microsoft comfort mouse 4500 report descriptor contains duplicate
usages for horizontal wheel. This patch fixes the wrong mapping
caused by that.

Signed-off-by: Ari Savolainen <ari.m.savolainen@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Ari Savolainen 2011-07-11 21:42:52 +03:00 committed by Jiri Kosina
parent 6be914f11d
commit 23c10becdb
2 changed files with 22 additions and 5 deletions
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1
drivers/hid/hid-ids.h
View File

@ -472,6 +472,7 @@
#define USB_DEVICE_ID_MS_PRESENTER_8K_BT 0x0701
#define USB_DEVICE_ID_MS_PRESENTER_8K_USB 0x0713
#define USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K 0x0730
#define USB_DEVICE_ID_MS_COMFORT_MOUSE_4500 0x076c
#define USB_VENDOR_ID_MOJO 0x8282
#define USB_DEVICE_ID_RETRO_ADAPTER 0x3201

26
drivers/hid/hid-microsoft.c
View File

@ -23,11 +23,12 @@
#include "hid-ids.h"
#define MS_HIDINPUT 0x01
#define MS_ERGONOMY 0x02
#define MS_PRESENTER 0x04
#define MS_RDESC 0x08
#define MS_NOGET 0x10
#define MS_HIDINPUT 0x01
#define MS_ERGONOMY 0x02
#define MS_PRESENTER 0x04
#define MS_RDESC 0x08
#define MS_NOGET 0x10
#define MS_DUPLICATE_USAGES 0x20
/*
* Microsoft Wireless Desktop Receiver (Model 1028) has
@ -109,6 +110,18 @@ static int ms_input_mapping(struct hid_device *hdev, struct hid_input *hi,
return 0;
}
static int ms_input_mapped(struct hid_device *hdev, struct hid_input *hi,
struct hid_field *field, struct hid_usage *usage,
unsigned long **bit, int *max)
{
unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
if (quirks & MS_DUPLICATE_USAGES)
clear_bit(usage->code, *bit);
return 0;
}
static int ms_event(struct hid_device *hdev, struct hid_field *field,
struct hid_usage *usage, __s32 value)
{
@ -183,6 +196,8 @@ static const struct hid_device_id ms_devices[] = {
.driver_data = MS_ERGONOMY },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0),
.driver_data = MS_NOGET },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500),
.driver_data = MS_DUPLICATE_USAGES },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT),
.driver_data = MS_PRESENTER },
@ -195,6 +210,7 @@ static struct hid_driver ms_driver = {
.id_table = ms_devices,
.report_fixup = ms_report_fixup,
.input_mapping = ms_input_mapping,
.input_mapped = ms_input_mapped,
.event = ms_event,
.probe = ms_probe,
};