summaryrefslogtreecommitdiffstats
path: root/drivers/hid/hid-lg.c
diff options
context:
space:
mode:
authorSimon Wood <simon@mungewell.org>2013-02-19 20:25:12 -0700
committerJiri Kosina <jkosina@suse.cz>2013-02-20 10:19:10 +0100
commit94b3f712fe2cd5c33d57ca0ab9604d2402bc72cd (patch)
treecf678e05c0f9626fd57ace493f96be97ec6b1783 /drivers/hid/hid-lg.c
parentb5836246c127ce1f0afe9790537b94c71efd2d2a (diff)
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>
Diffstat (limited to 'drivers/hid/hid-lg.c')
-rw-r--r--drivers/hid/hid-lg.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index c06559803fd..5d3c861e2c5 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;
}