+#define VAIO_RDESC_CONSTANT 0x0001
+
+struct sony_sc {
+ unsigned long quirks;
+};
+
+/* Sony Vaio VGX has wrongly mouse pointer declared as constant */
+static void sony_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+ unsigned int rsize)
+{
+ struct sony_sc *sc = hid_get_drvdata(hdev);
+
+ if ((sc->quirks & VAIO_RDESC_CONSTANT) &&
+ rsize >= 56 && rdesc[54] == 0x81 && rdesc[55] == 0x07) {
+ dev_info(&hdev->dev, "Fixing up Sony Vaio VGX report "
+ "descriptor\n");
+ rdesc[55] = 0x06;
+ }
+}
+