HID: hid-logitech-hidpp: G920 remove deadzones

Ensure that the G920 is not given the default deadzones.

Signed-off-by: Simon Wood <simon@mungewell.org>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
index fc553e3f948da7dfd559008b2c44dbf4eb648dd3..f2a481125522e33f912db0455c0b4de21396890c 100644 (file)
--- a/drivers/hid/hid-logitech-hidpp.c
+++ b/drivers/hid/hid-logitech-hidpp.c
@@ -1441,6 +1441,25 @@ 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)
+{
+       struct hidpp_device *hidpp = hid_get_drvdata(hdev);
+
+       /* Ensure that Logitech G920 is not given a default fuzz/flat value */
+       if (hidpp->quirks & HIDPP_QUIRK_CLASS_G920) {
+               if (usage->type == EV_ABS && (usage->code == ABS_X ||
+                               usage->code == ABS_Y || usage->code == ABS_Z ||
+                               usage->code == ABS_RZ)) {
+                       field->application = HID_GD_MULTIAXIS;
+               }
+       }
+
+       return 0;
+}
+
+
 static void hidpp_populate_input(struct hidpp_device *hidpp,
                struct input_dev *input, bool origin_is_hid_core)
 {
@@ -1875,6 +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);