Ensure that the G920 is not given the default deadzones.
Signed-off-by: Simon Wood <simon@xxxxxxxxxxxxx>
---
drivers/hid/hid-logitech-hidpp.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
index 03e01be..853b9c2 100644
--- a/drivers/hid/hid-logitech-hidpp.c
+++ b/drivers/hid/hid-logitech-hidpp.c
@@ -1441,6 +1441,27 @@ static int hidpp_input_mapping(struct hid_device *hdev, struct hid_input *hi,
return 0;
}
+static int hidpp_input_mapped(struct hid_device *hdev, struct hid_input *hi,
+ struct hid_field *field, struct hid_usage *usage,
+ unsigned long **bit, int *max)
+{
+ /* Ensure that Logitech G920 is 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_G920_WHEEL:
+ field->application = HID_GD_MULTIAXIS;
+ break;
+ default:
+ break;
+ }
+ }
+
+ return 0;
+}
+
+
static void hidpp_populate_input(struct hidpp_device *hidpp,
struct input_dev *input, bool origin_is_hid_core)
{
@@ -1873,6 +1894,7 @@ static struct hid_driver hidpp_driver = {
.raw_event = hidpp_raw_event,
.input_configured = hidpp_input_configured,
.input_mapping = hidpp_input_mapping,
+ .input_mapped = hidpp_input_mapped,
};
module_hid_driver(hidpp_driver);
--
2.1.4
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