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Commit 94b3f712 authored by Simon Wood's avatar Simon Wood Committed by Jiri Kosina
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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: default avatarSimon Wood <simon@mungewell.org>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent b5836246

drivers/hid/hid-lg.c

+20 −0
Original line number Diff line number Diff line
@@ -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;

}