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Message-Id: <1361330714-5217-3-git-send-email-simon@mungewell.org>
Date: Tue, 19 Feb 2013 20:25:12 -0700
From: Simon Wood <simon@...gewell.org>
To: linux-input@...r.kernel.org
Cc: Jiri Kosina <jkosina@...e.cz>, linux-kernel@...r.kernel.org,
simon@...gewell.org
Subject: [PATCH 3/5] 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@...gewell.org>
---
drivers/hid/hid-lg.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index c065598..5d3c861 100644
--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -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;
}
--
1.7.10.4
--
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