Commit 6c454a8a authored by Zephaniah E. Hull's avatar Zephaniah E. Hull Committed by Vojtech Pavlik

input: Implement a HID quirk for 2-wheel A4Tech mice.

parent 2004b8b7
No related merge requests found
......@@ -1351,6 +1351,9 @@ void hid_init_reports(struct hid_device *hid)
#define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f
#define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100
#define USB_VENDOR_ID_A4TECH 0x09DA
#define USB_DEVICE_ID_A4TECH_WCP32PU 0x0006
struct hid_blacklist {
__u16 idVendor;
__u16 idProduct;
......@@ -1398,6 +1401,7 @@ struct hid_blacklist {
{ USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500, HID_QUIRK_IGNORE },
{ USB_VENDOR_ID_TANGTOP, USB_DEVICE_ID_TANGTOP_USBPS2, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5, HID_QUIRK_IGNORE },
{ USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU, HID_QUIRK_2WHEEL_MOUSE_HACK },
{ 0, 0 }
};
......
......@@ -376,6 +376,11 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
}
set_bit(usage->type, input->evbit);
if ((usage->type == EV_REL)
&& (device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK)
&& (usage->code == REL_WHEEL)) {
set_bit(REL_HWHEEL, bit);
}
while (usage->code <= max && test_and_set_bit(usage->code, bit)) {
usage->code = find_next_zero_bit(bit, max + 1, usage->code);
......@@ -426,6 +431,20 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
input_regs(input, regs);
if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK)
&& (usage->code == BTN_BACK)) {
if (value)
hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
else
hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
return;
}
if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON)
&& (usage->code == REL_WHEEL)) {
input_event(input, usage->type, REL_HWHEEL, value);
return;
}
if (usage->hat_min != usage->hat_max) {
value = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
if (value < 0 || value > 8) value = 0;
......
......@@ -201,13 +201,15 @@ struct hid_item {
* HID device quirks.
*/
#define HID_QUIRK_INVERT 0x01
#define HID_QUIRK_NOTOUCH 0x02
#define HID_QUIRK_IGNORE 0x04
#define HID_QUIRK_NOGET 0x08
#define HID_QUIRK_HIDDEV 0x10
#define HID_QUIRK_BADPAD 0x20
#define HID_QUIRK_MULTI_INPUT 0x40
#define HID_QUIRK_INVERT 0x001
#define HID_QUIRK_NOTOUCH 0x002
#define HID_QUIRK_IGNORE 0x004
#define HID_QUIRK_NOGET 0x008
#define HID_QUIRK_HIDDEV 0x010
#define HID_QUIRK_BADPAD 0x020
#define HID_QUIRK_MULTI_INPUT 0x040
#define HID_QUIRK_2WHEEL_MOUSE_HACK 0x080
#define HID_QUIRK_2WHEEL_MOUSE_HACK_ON 0x100
/*
* This is the global environment of the parser. This information is
......
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