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HID: Implement horizontal wheel handling for A4 Tech X5-005D 

This mouse distinguishes horizontal wheel from vertical by a special "pseudo
event" GenericDesktop.00b8, with values of 0 for vertical and 8 for horizontal
wheel. Because this event is supplied by the parser too late, we need to delay
a wheel event, wait for this one and send either REL_WHEEL or REL_HWHEEL to
input depending on the event value.

Signed-off-by: Pavel Troller <patrol@sinus.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Pavel Troller 2007-10-29 11:13:46 +01:00 committed by Jiri Kosina
parent a45d82d19a
commit c80e5ffac0
3 changed files with 22 additions and 3 deletions
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20
drivers/hid/hid-input.c
View File

@ -902,9 +902,10 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
map_key(BTN_1);
}
if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
(usage->type == EV_REL) && (usage->code == REL_WHEEL))
set_bit(REL_HWHEEL, bit);
if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5 |
HID_QUIRK_2WHEEL_MOUSE_HACK_B8)) && (usage->type == EV_REL) &&
(usage->code == REL_WHEEL))
set_bit(REL_HWHEEL, bit);
if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
|| ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
@ -1002,6 +1003,19 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
return;
}
if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_B8) &&
(usage->type == EV_REL) &&
(usage->code == REL_WHEEL)) {
hid->delayed_value = value;
return;
}
if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_B8) &&
(usage->hid == 0x000100b8)) {
input_event(input, EV_REL, value ? REL_HWHEEL : REL_WHEEL, hid->delayed_value);
return;
}
if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
input_event(input, usage->type, usage->code, -value);
return;

2
drivers/hid/usbhid/hid-quirks.c
View File

@ -19,6 +19,7 @@
#define USB_VENDOR_ID_A4TECH 0x09da
#define USB_DEVICE_ID_A4TECH_WCP32PU 0x0006
#define USB_DEVICE_ID_A4TECH_X5_005D 0x000a
#define USB_VENDOR_ID_AASHIMA 0x06d6
#define USB_DEVICE_ID_AASHIMA_GAMEPAD 0x0025
@ -371,6 +372,7 @@ static const struct hid_blacklist {
} hid_blacklist[] = {
{ USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU, HID_QUIRK_2WHEEL_MOUSE_HACK_7 },
{ USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D, HID_QUIRK_2WHEEL_MOUSE_HACK_B8 },
{ USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE, HID_QUIRK_2WHEEL_MOUSE_HACK_5 },
{ USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER, HID_QUIRK_BAD_RELATIVE_KEYS },

3
include/linux/hid.h
View File

@ -281,6 +281,7 @@ struct hid_item {
#define HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL 0x00400000
#define HID_QUIRK_LOGITECH_EXPANDED_KEYMAP 0x00800000
#define HID_QUIRK_IGNORE_HIDINPUT 0x01000000
#define HID_QUIRK_2WHEEL_MOUSE_HACK_B8 0x02000000
/*
* Separate quirks for runtime report descriptor fixup
@ -456,6 +457,8 @@ struct hid_device { /* device report descriptor */
void *driver_data;
__s32 delayed_value; /* For A4 Tech mice hwheel quirk */
/* device-specific function pointers */
int (*hidinput_input_event) (struct input_dev *, unsigned int, unsigned int, int);
int (*hid_open) (struct hid_device *);