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HID: LG: Prevent the Logitech Gaming Wheels deadzone

This patch ensures that the Logitech wheels are not initialised with
default fuzz/flat values, by marking them as multiaxis devices (rather
than joysticks).

Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
hifive-unleashed-5.1
Simon Wood 2013-02-19 20:25:12 -07:00 committed by Jiri Kosina
parent b5836246c1
commit 94b3f712fe
1 changed files with 20 additions and 0 deletions

View File

@ -479,6 +479,26 @@ static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi,
usage->type == EV_REL || usage->type == EV_ABS))
clear_bit(usage->code, *bit);
/* Ensure that Logitech wheels are not given a default fuzz/flat value */
if (usage->type == EV_ABS && (usage->code == ABS_X ||
usage->code == ABS_Y || usage->code == ABS_Z ||
usage->code == ABS_RZ)) {
switch (hdev->product) {
case USB_DEVICE_ID_LOGITECH_WHEEL:
case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL:
case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
case USB_DEVICE_ID_LOGITECH_G25_WHEEL:
case USB_DEVICE_ID_LOGITECH_DFGT_WHEEL:
case USB_DEVICE_ID_LOGITECH_G27_WHEEL:
case USB_DEVICE_ID_LOGITECH_WII_WHEEL:
case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2:
field->application = HID_GD_MULTIAXIS;
break;
default:
break;
}
}
return 0;
}