Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 916 insertions, 0 deletions

diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
new file mode 100644
index 000000000..ea4e10070
--- /dev/null
+++ b/drivers/hid/hid-lg.c
@@ -0,0 +1,916 @@
+/*
+ *  HID driver for some logitech "special" devices
+ *
+ *  Copyright (c) 1999 Andreas Gal
+ *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
+ *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
+ *  Copyright (c) 2006-2007 Jiri Kosina
+ *  Copyright (c) 2008 Jiri Slaby
+ *  Copyright (c) 2010 Hendrik Iben
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+#include <linux/random.h>
+#include <linux/sched.h>
+#include <linux/usb.h>
+#include <linux/wait.h>
+
+#include "usbhid/usbhid.h"
+#include "hid-ids.h"
+#include "hid-lg.h"
+#include "hid-lg4ff.h"
+
+#define LG_RDESC		0x001
+#define LG_BAD_RELATIVE_KEYS	0x002
+#define LG_DUPLICATE_USAGES	0x004
+#define LG_EXPANDED_KEYMAP	0x010
+#define LG_IGNORE_DOUBLED_WHEEL	0x020
+#define LG_WIRELESS		0x040
+#define LG_INVERT_HWHEEL	0x080
+#define LG_NOGET		0x100
+#define LG_FF			0x200
+#define LG_FF2			0x400
+#define LG_RDESC_REL_ABS	0x800
+#define LG_FF3			0x1000
+#define LG_FF4			0x2000
+
+/* Size of the original descriptors of the Driving Force (and Pro) wheels */
+#define DF_RDESC_ORIG_SIZE	130
+#define DFP_RDESC_ORIG_SIZE	97
+#define FV_RDESC_ORIG_SIZE	130
+#define MOMO_RDESC_ORIG_SIZE	87
+#define MOMO2_RDESC_ORIG_SIZE	87
+#define FFG_RDESC_ORIG_SIZE	85
+
+/* Fixed report descriptors for Logitech Driving Force (and Pro)
+ * wheel controllers
+ *
+ * The original descriptors hide the separate throttle and brake axes in
+ * a custom vendor usage page, providing only a combined value as
+ * GenericDesktop.Y.
+ * These descriptors remove the combined Y axis and instead report
+ * separate throttle (Y) and brake (RZ).
+ */
+static __u8 df_rdesc_fixed[] = {
+0x05, 0x01,         /*  Usage Page (Desktop),                   */
+0x09, 0x04,         /*  Usage (Joystick),                       */
+0xA1, 0x01,         /*  Collection (Application),               */
+0xA1, 0x02,         /*      Collection (Logical),               */
+0x95, 0x01,         /*          Report Count (1),               */
+0x75, 0x0A,         /*          Report Size (10),               */
+0x14,               /*          Logical Minimum (0),            */
+0x26, 0xFF, 0x03,   /*          Logical Maximum (1023),         */
+0x34,               /*          Physical Minimum (0),           */
+0x46, 0xFF, 0x03,   /*          Physical Maximum (1023),        */
+0x09, 0x30,         /*          Usage (X),                      */
+0x81, 0x02,         /*          Input (Variable),               */
+0x95, 0x0C,         /*          Report Count (12),              */
+0x75, 0x01,         /*          Report Size (1),                */
+0x25, 0x01,         /*          Logical Maximum (1),            */
+0x45, 0x01,         /*          Physical Maximum (1),           */
+0x05, 0x09,         /*          Usage (Buttons),                */
+0x19, 0x01,         /*          Usage Minimum (1),              */
+0x29, 0x0c,         /*          Usage Maximum (12),             */
+0x81, 0x02,         /*          Input (Variable),               */
+0x95, 0x02,         /*          Report Count (2),               */
+0x06, 0x00, 0xFF,   /*          Usage Page (Vendor: 65280),     */
+0x09, 0x01,         /*          Usage (?: 1),                   */
+0x81, 0x02,         /*          Input (Variable),               */
+0x05, 0x01,         /*          Usage Page (Desktop),           */
+0x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
+0x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
+0x95, 0x01,         /*          Report Count (1),               */
+0x75, 0x08,         /*          Report Size (8),                */
+0x81, 0x02,         /*          Input (Variable),               */
+0x25, 0x07,         /*          Logical Maximum (7),            */
+0x46, 0x3B, 0x01,   /*          Physical Maximum (315),         */
+0x75, 0x04,         /*          Report Size (4),                */
+0x65, 0x14,         /*          Unit (Degrees),                 */
+0x09, 0x39,         /*          Usage (Hat Switch),             */
+0x81, 0x42,         /*          Input (Variable, Null State),   */
+0x75, 0x01,         /*          Report Size (1),                */
+0x95, 0x04,         /*          Report Count (4),               */
+0x65, 0x00,         /*          Unit (none),                    */
+0x06, 0x00, 0xFF,   /*          Usage Page (Vendor: 65280),     */
+0x09, 0x01,         /*          Usage (?: 1),                   */
+0x25, 0x01,         /*          Logical Maximum (1),            */
+0x45, 0x01,         /*          Physical Maximum (1),           */
+0x81, 0x02,         /*          Input (Variable),               */
+0x05, 0x01,         /*          Usage Page (Desktop),           */
+0x95, 0x01,         /*          Report Count (1),               */
+0x75, 0x08,         /*          Report Size (8),                */
+0x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
+0x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
+0x09, 0x31,         /*          Usage (Y),                      */
+0x81, 0x02,         /*          Input (Variable),               */
+0x09, 0x35,         /*          Usage (Rz),                     */
+0x81, 0x02,         /*          Input (Variable),               */
+0xC0,               /*      End Collection,                     */
+0xA1, 0x02,         /*      Collection (Logical),               */
+0x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
+0x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
+0x95, 0x07,         /*          Report Count (7),               */
+0x75, 0x08,         /*          Report Size (8),                */
+0x09, 0x03,         /*          Usage (?: 3),                   */
+0x91, 0x02,         /*          Output (Variable),              */
+0xC0,               /*      End Collection,                     */
+0xC0                /*  End Collection                          */
+};
+
+static __u8 dfp_rdesc_fixed[] = {
+0x05, 0x01,         /*  Usage Page (Desktop),                   */
+0x09, 0x04,         /*  Usage (Joystick),                       */
+0xA1, 0x01,         /*  Collection (Application),               */
+0xA1, 0x02,         /*      Collection (Logical),               */
+0x95, 0x01,         /*          Report Count (1),               */
+0x75, 0x0E,         /*          Report Size (14),               */
+0x14,               /*          Logical Minimum (0),            */
+0x26, 0xFF, 0x3F,   /*          Logical Maximum (16383),        */
+0x34,               /*          Physical Minimum (0),           */
+0x46, 0xFF, 0x3F,   /*          Physical Maximum (16383),       */
+0x09, 0x30,         /*          Usage (X),                      */
+0x81, 0x02,         /*          Input (Variable),               */
+0x95, 0x0E,         /*          Report Count (14),              */
+0x75, 0x01,         /*          Report Size (1),                */
+0x25, 0x01,         /*          Logical Maximum (1),            */
+0x45, 0x01,         /*          Physical Maximum (1),           */
+0x05, 0x09,         /*          Usage Page (Button),            */
+0x19, 0x01,         /*          Usage Minimum (01h),            */
+0x29, 0x0E,         /*          Usage Maximum (0Eh),            */
+0x81, 0x02,         /*          Input (Variable),               */
+0x05, 0x01,         /*          Usage Page (Desktop),           */
+0x95, 0x01,         /*          Report Count (1),               */
+0x75, 0x04,         /*          Report Size (4),                */
+0x25, 0x07,         /*          Logical Maximum (7),            */
+0x46, 0x3B, 0x01,   /*          Physical Maximum (315),         */
+0x65, 0x14,         /*          Unit (Degrees),                 */
+0x09, 0x39,         /*          Usage (Hat Switch),             */
+0x81, 0x42,         /*          Input (Variable, Nullstate),    */
+0x65, 0x00,         /*          Unit,                           */
+0x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
+0x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
+0x75, 0x08,         /*          Report Size (8),                */
+0x81, 0x01,         /*          Input (Constant),               */
+0x09, 0x31,         /*          Usage (Y),                      */
+0x81, 0x02,         /*          Input (Variable),               */
+0x09, 0x35,         /*          Usage (Rz),                     */
+0x81, 0x02,         /*          Input (Variable),               */
+0x81, 0x01,         /*          Input (Constant),               */
+0xC0,               /*      End Collection,                     */
+0xA1, 0x02,         /*      Collection (Logical),               */
+0x09, 0x02,         /*          Usage (02h),                    */
+0x95, 0x07,         /*          Report Count (7),               */
+0x91, 0x02,         /*          Output (Variable),              */
+0xC0,               /*      End Collection,                     */
+0xC0                /*  End Collection                          */
+};
+
+static __u8 fv_rdesc_fixed[] = {
+0x05, 0x01,         /*  Usage Page (Desktop),                   */
+0x09, 0x04,         /*  Usage (Joystick),                       */
+0xA1, 0x01,         /*  Collection (Application),               */
+0xA1, 0x02,         /*      Collection (Logical),               */
+0x95, 0x01,         /*          Report Count (1),               */
+0x75, 0x0A,         /*          Report Size (10),               */
+0x15, 0x00,         /*          Logical Minimum (0),            */
+0x26, 0xFF, 0x03,   /*          Logical Maximum (1023),         */
+0x35, 0x00,         /*          Physical Minimum (0),           */
+0x46, 0xFF, 0x03,   /*          Physical Maximum (1023),        */
+0x09, 0x30,         /*          Usage (X),                      */
+0x81, 0x02,         /*          Input (Variable),               */
+0x95, 0x0C,         /*          Report Count (12),              */
+0x75, 0x01,         /*          Report Size (1),                */
+0x25, 0x01,         /*          Logical Maximum (1),            */
+0x45, 0x01,         /*          Physical Maximum (1),           */
+0x05, 0x09,         /*          Usage Page (Button),            */
+0x19, 0x01,         /*          Usage Minimum (01h),            */
+0x29, 0x0C,         /*          Usage Maximum (0Ch),            */
+0x81, 0x02,         /*          Input (Variable),               */
+0x95, 0x02,         /*          Report Count (2),               */
+0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),             */
+0x09, 0x01,         /*          Usage (01h),                    */
+0x81, 0x02,         /*          Input (Variable),               */
+0x09, 0x02,         /*          Usage (02h),                    */
+0x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
+0x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
+0x95, 0x01,         /*          Report Count (1),               */
+0x75, 0x08,         /*          Report Size (8),                */
+0x81, 0x02,         /*          Input (Variable),               */
+0x05, 0x01,         /*          Usage Page (Desktop),           */
+0x25, 0x07,         /*          Logical Maximum (7),            */
+0x46, 0x3B, 0x01,   /*          Physical Maximum (315),         */
+0x75, 0x04,         /*          Report Size (4),                */
+0x65, 0x14,         /*          Unit (Degrees),                 */
+0x09, 0x39,         /*          Usage (Hat Switch),             */
+0x81, 0x42,         /*          Input (Variable, Null State),   */
+0x75, 0x01,         /*          Report Size (1),                */
+0x95, 0x04,         /*          Report Count (4),               */
+0x65, 0x00,         /*          Unit,                           */
+0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),             */
+0x09, 0x01,         /*          Usage (01h),                    */
+0x25, 0x01,         /*          Logical Maximum (1),            */
+0x45, 0x01,         /*          Physical Maximum (1),           */
+0x81, 0x02,         /*          Input (Variable),               */
+0x05, 0x01,         /*          Usage Page (Desktop),           */
+0x95, 0x01,         /*          Report Count (1),               */
+0x75, 0x08,         /*          Report Size (8),                */
+0x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
+0x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
+0x09, 0x31,         /*          Usage (Y),                      */
+0x81, 0x02,         /*          Input (Variable),               */
+0x09, 0x32,         /*          Usage (Z),                      */
+0x81, 0x02,         /*          Input (Variable),               */
+0xC0,               /*      End Collection,                     */
+0xA1, 0x02,         /*      Collection (Logical),               */
+0x26, 0xFF, 0x00,   /*          Logical Maximum (255),          */
+0x46, 0xFF, 0x00,   /*          Physical Maximum (255),         */
+0x95, 0x07,         /*          Report Count (7),               */
+0x75, 0x08,         /*          Report Size (8),                */
+0x09, 0x03,         /*          Usage (03h),                    */
+0x91, 0x02,         /*          Output (Variable),              */
+0xC0,               /*      End Collection,                     */
+0xC0                /*  End Collection                          */
+};
+
+static __u8 momo_rdesc_fixed[] = {
+0x05, 0x01,         /*  Usage Page (Desktop),               */
+0x09, 0x04,         /*  Usage (Joystick),                   */
+0xA1, 0x01,         /*  Collection (Application),           */
+0xA1, 0x02,         /*      Collection (Logical),           */
+0x95, 0x01,         /*          Report Count (1),           */
+0x75, 0x0A,         /*          Report Size (10),           */
+0x15, 0x00,         /*          Logical Minimum (0),        */
+0x26, 0xFF, 0x03,   /*          Logical Maximum (1023),     */
+0x35, 0x00,         /*          Physical Minimum (0),       */
+0x46, 0xFF, 0x03,   /*          Physical Maximum (1023),    */
+0x09, 0x30,         /*          Usage (X),                  */
+0x81, 0x02,         /*          Input (Variable),           */
+0x95, 0x08,         /*          Report Count (8),           */
+0x75, 0x01,         /*          Report Size (1),            */
+0x25, 0x01,         /*          Logical Maximum (1),        */
+0x45, 0x01,         /*          Physical Maximum (1),       */
+0x05, 0x09,         /*          Usage Page (Button),        */
+0x19, 0x01,         /*          Usage Minimum (01h),        */
+0x29, 0x08,         /*          Usage Maximum (08h),        */
+0x81, 0x02,         /*          Input (Variable),           */
+0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
+0x75, 0x0E,         /*          Report Size (14),           */
+0x95, 0x01,         /*          Report Count (1),           */
+0x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */
+0x46, 0xFF, 0x00,   /*          Physical Maximum (255),     */
+0x09, 0x00,         /*          Usage (00h),                */
+0x81, 0x02,         /*          Input (Variable),           */
+0x05, 0x01,         /*          Usage Page (Desktop),       */
+0x75, 0x08,         /*          Report Size (8),            */
+0x09, 0x31,         /*          Usage (Y),                  */
+0x81, 0x02,         /*          Input (Variable),           */
+0x09, 0x32,         /*          Usage (Z),                  */
+0x81, 0x02,         /*          Input (Variable),           */
+0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
+0x09, 0x01,         /*          Usage (01h),                */
+0x81, 0x02,         /*          Input (Variable),           */
+0xC0,               /*      End Collection,                 */
+0xA1, 0x02,         /*      Collection (Logical),           */
+0x09, 0x02,         /*          Usage (02h),                */
+0x95, 0x07,         /*          Report Count (7),           */
+0x91, 0x02,         /*          Output (Variable),          */
+0xC0,               /*      End Collection,                 */
+0xC0                /*  End Collection                      */
+};
+
+static __u8 momo2_rdesc_fixed[] = {
+0x05, 0x01,         /*  Usage Page (Desktop),               */
+0x09, 0x04,         /*  Usage (Joystick),                   */
+0xA1, 0x01,         /*  Collection (Application),           */
+0xA1, 0x02,         /*      Collection (Logical),           */
+0x95, 0x01,         /*          Report Count (1),           */
+0x75, 0x0A,         /*          Report Size (10),           */
+0x15, 0x00,         /*          Logical Minimum (0),        */
+0x26, 0xFF, 0x03,   /*          Logical Maximum (1023),     */
+0x35, 0x00,         /*          Physical Minimum (0),       */
+0x46, 0xFF, 0x03,   /*          Physical Maximum (1023),    */
+0x09, 0x30,         /*          Usage (X),                  */
+0x81, 0x02,         /*          Input (Variable),           */
+0x95, 0x0A,         /*          Report Count (10),          */
+0x75, 0x01,         /*          Report Size (1),            */
+0x25, 0x01,         /*          Logical Maximum (1),        */
+0x45, 0x01,         /*          Physical Maximum (1),       */
+0x05, 0x09,         /*          Usage Page (Button),        */
+0x19, 0x01,         /*          Usage Minimum (01h),        */
+0x29, 0x0A,         /*          Usage Maximum (0Ah),        */
+0x81, 0x02,         /*          Input (Variable),           */
+0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
+0x09, 0x00,         /*          Usage (00h),                */
+0x95, 0x04,         /*          Report Count (4),           */
+0x81, 0x02,         /*          Input (Variable),           */
+0x95, 0x01,         /*          Report Count (1),           */
+0x75, 0x08,         /*          Report Size (8),            */
+0x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */
+0x46, 0xFF, 0x00,   /*          Physical Maximum (255),     */
+0x09, 0x01,         /*          Usage (01h),                */
+0x81, 0x02,         /*          Input (Variable),           */
+0x05, 0x01,         /*          Usage Page (Desktop),       */
+0x09, 0x31,         /*          Usage (Y),                  */
+0x81, 0x02,         /*          Input (Variable),           */
+0x09, 0x32,         /*          Usage (Z),                  */
+0x81, 0x02,         /*          Input (Variable),           */
+0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
+0x09, 0x00,         /*          Usage (00h),                */
+0x81, 0x02,         /*          Input (Variable),           */
+0xC0,               /*      End Collection,                 */
+0xA1, 0x02,         /*      Collection (Logical),           */
+0x09, 0x02,         /*          Usage (02h),                */
+0x95, 0x07,         /*          Report Count (7),           */
+0x91, 0x02,         /*          Output (Variable),          */
+0xC0,               /*      End Collection,                 */
+0xC0                /*  End Collection                      */
+};
+
+static __u8 ffg_rdesc_fixed[] = {
+0x05, 0x01,         /*  Usage Page (Desktop),               */
+0x09, 0x04,         /*  Usage (Joystik),                    */
+0xA1, 0x01,         /*  Collection (Application),           */
+0xA1, 0x02,         /*      Collection (Logical),           */
+0x95, 0x01,         /*          Report Count (1),           */
+0x75, 0x0A,         /*          Report Size (10),           */
+0x15, 0x00,         /*          Logical Minimum (0),        */
+0x26, 0xFF, 0x03,   /*          Logical Maximum (1023),     */
+0x35, 0x00,         /*          Physical Minimum (0),       */
+0x46, 0xFF, 0x03,   /*          Physical Maximum (1023),    */
+0x09, 0x30,         /*          Usage (X),                  */
+0x81, 0x02,         /*          Input (Variable),           */
+0x95, 0x06,         /*          Report Count (6),           */
+0x75, 0x01,         /*          Report Size (1),            */
+0x25, 0x01,         /*          Logical Maximum (1),        */
+0x45, 0x01,         /*          Physical Maximum (1),       */
+0x05, 0x09,         /*          Usage Page (Button),        */
+0x19, 0x01,         /*          Usage Minimum (01h),        */
+0x29, 0x06,         /*          Usage Maximum (06h),        */
+0x81, 0x02,         /*          Input (Variable),           */
+0x95, 0x01,         /*          Report Count (1),           */
+0x75, 0x08,         /*          Report Size (8),            */
+0x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */
+0x46, 0xFF, 0x00,   /*          Physical Maximum (255),     */
+0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
+0x09, 0x01,         /*          Usage (01h),                */
+0x81, 0x02,         /*          Input (Variable),           */
+0x05, 0x01,         /*          Usage Page (Desktop),       */
+0x81, 0x01,         /*          Input (Constant),           */
+0x09, 0x31,         /*          Usage (Y),                  */
+0x81, 0x02,         /*          Input (Variable),           */
+0x09, 0x32,         /*          Usage (Z),                  */
+0x81, 0x02,         /*          Input (Variable),           */
+0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
+0x09, 0x01,         /*          Usage (01h),                */
+0x81, 0x02,         /*          Input (Variable),           */
+0xC0,               /*      End Collection,                 */
+0xA1, 0x02,         /*      Collection (Logical),           */
+0x09, 0x02,         /*          Usage (02h),                */
+0x95, 0x07,         /*          Report Count (7),           */
+0x91, 0x02,         /*          Output (Variable),          */
+0xC0,               /*      End Collection,                 */
+0xC0                /*  End Collection                      */
+};
+
+/*
+ * Certain Logitech keyboards send in report #3 keys which are far
+ * above the logical maximum described in descriptor. This extends
+ * the original value of 0x28c of logical maximum to 0x104d
+ */
+static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+		unsigned int *rsize)
+{
+	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
+
+	if ((drv_data->quirks & LG_RDESC) && *rsize >= 91 && rdesc[83] == 0x26 &&
+			rdesc[84] == 0x8c && rdesc[85] == 0x02) {
+		hid_info(hdev,
+			 "fixing up Logitech keyboard report descriptor\n");
+		rdesc[84] = rdesc[89] = 0x4d;
+		rdesc[85] = rdesc[90] = 0x10;
+	}
+	if ((drv_data->quirks & LG_RDESC_REL_ABS) && *rsize >= 51 &&
+			rdesc[32] == 0x81 && rdesc[33] == 0x06 &&
+			rdesc[49] == 0x81 && rdesc[50] == 0x06) {
+		hid_info(hdev,
+			 "fixing up rel/abs in Logitech report descriptor\n");
+		rdesc[33] = rdesc[50] = 0x02;
+	}
+
+	switch (hdev->product) {
+
+	case USB_DEVICE_ID_LOGITECH_WINGMAN_FFG:
+		if (*rsize == FFG_RDESC_ORIG_SIZE) {
+			hid_info(hdev,
+				"fixing up Logitech Wingman Formula Force GP report descriptor\n");
+			rdesc = ffg_rdesc_fixed;
+			*rsize = sizeof(ffg_rdesc_fixed);
+		}
+		break;
+
+	/* Several wheels report as this id when operating in emulation mode. */
+	case USB_DEVICE_ID_LOGITECH_WHEEL:
+		if (*rsize == DF_RDESC_ORIG_SIZE) {
+			hid_info(hdev,
+				"fixing up Logitech Driving Force report descriptor\n");
+			rdesc = df_rdesc_fixed;
+			*rsize = sizeof(df_rdesc_fixed);
+		}
+		break;
+
+	case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL:
+		if (*rsize == MOMO_RDESC_ORIG_SIZE) {
+			hid_info(hdev,
+				"fixing up Logitech Momo Force (Red) report descriptor\n");
+			rdesc = momo_rdesc_fixed;
+			*rsize = sizeof(momo_rdesc_fixed);
+		}
+		break;
+
+	case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2:
+		if (*rsize == MOMO2_RDESC_ORIG_SIZE) {
+			hid_info(hdev,
+				"fixing up Logitech Momo Racing Force (Black) report descriptor\n");
+			rdesc = momo2_rdesc_fixed;
+			*rsize = sizeof(momo2_rdesc_fixed);
+		}
+		break;
+
+	case USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL:
+		if (*rsize == FV_RDESC_ORIG_SIZE) {
+			hid_info(hdev,
+				"fixing up Logitech Formula Vibration report descriptor\n");
+			rdesc = fv_rdesc_fixed;
+			*rsize = sizeof(fv_rdesc_fixed);
+		}
+		break;
+
+	case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
+		if (*rsize == DFP_RDESC_ORIG_SIZE) {
+			hid_info(hdev,
+				"fixing up Logitech Driving Force Pro report descriptor\n");
+			rdesc = dfp_rdesc_fixed;
+			*rsize = sizeof(dfp_rdesc_fixed);
+		}
+		break;
+
+	case USB_DEVICE_ID_LOGITECH_WII_WHEEL:
+		if (*rsize >= 101 && rdesc[41] == 0x95 && rdesc[42] == 0x0B &&
+				rdesc[47] == 0x05 && rdesc[48] == 0x09) {
+			hid_info(hdev, "fixing up Logitech Speed Force Wireless report descriptor\n");
+			rdesc[41] = 0x05;
+			rdesc[42] = 0x09;
+			rdesc[47] = 0x95;
+			rdesc[48] = 0x0B;
+		}
+		break;
+	}
+
+	return rdesc;
+}
+
+#define lg_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
+		EV_KEY, (c))
+
+static int lg_ultrax_remote_mapping(struct hid_input *hi,
+		struct hid_usage *usage, unsigned long **bit, int *max)
+{
+	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
+		return 0;
+
+	set_bit(EV_REP, hi->input->evbit);
+	switch (usage->hid & HID_USAGE) {
+	/* Reported on Logitech Ultra X Media Remote */
+	case 0x004: lg_map_key_clear(KEY_AGAIN);	break;
+	case 0x00d: lg_map_key_clear(KEY_HOME);		break;
+	case 0x024: lg_map_key_clear(KEY_SHUFFLE);	break;
+	case 0x025: lg_map_key_clear(KEY_TV);		break;
+	case 0x026: lg_map_key_clear(KEY_MENU);		break;
+	case 0x031: lg_map_key_clear(KEY_AUDIO);	break;
+	case 0x032: lg_map_key_clear(KEY_TEXT);		break;
+	case 0x033: lg_map_key_clear(KEY_LAST);		break;
+	case 0x047: lg_map_key_clear(KEY_MP3);		break;
+	case 0x048: lg_map_key_clear(KEY_DVD);		break;
+	case 0x049: lg_map_key_clear(KEY_MEDIA);	break;
+	case 0x04a: lg_map_key_clear(KEY_VIDEO);	break;
+	case 0x04b: lg_map_key_clear(KEY_ANGLE);	break;
+	case 0x04c: lg_map_key_clear(KEY_LANGUAGE);	break;
+	case 0x04d: lg_map_key_clear(KEY_SUBTITLE);	break;
+	case 0x051: lg_map_key_clear(KEY_RED);		break;
+	case 0x052: lg_map_key_clear(KEY_CLOSE);	break;
+
+	default:
+		return 0;
+	}
+	return 1;
+}
+
+static int lg_dinovo_mapping(struct hid_input *hi, struct hid_usage *usage,
+		unsigned long **bit, int *max)
+{
+	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
+		return 0;
+
+	switch (usage->hid & HID_USAGE) {
+
+	case 0x00d: lg_map_key_clear(KEY_MEDIA);	break;
+	default:
+		return 0;
+
+	}
+	return 1;
+}
+
+static int lg_wireless_mapping(struct hid_input *hi, struct hid_usage *usage,
+		unsigned long **bit, int *max)
+{
+	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
+		return 0;
+
+	switch (usage->hid & HID_USAGE) {
+	case 0x1001: lg_map_key_clear(KEY_MESSENGER);		break;
+	case 0x1003: lg_map_key_clear(KEY_SOUND);		break;
+	case 0x1004: lg_map_key_clear(KEY_VIDEO);		break;
+	case 0x1005: lg_map_key_clear(KEY_AUDIO);		break;
+	case 0x100a: lg_map_key_clear(KEY_DOCUMENTS);		break;
+	/* The following two entries are Playlist 1 and 2 on the MX3200 */
+	case 0x100f: lg_map_key_clear(KEY_FN_1);		break;
+	case 0x1010: lg_map_key_clear(KEY_FN_2);		break;
+	case 0x1011: lg_map_key_clear(KEY_PREVIOUSSONG);	break;
+	case 0x1012: lg_map_key_clear(KEY_NEXTSONG);		break;
+	case 0x1013: lg_map_key_clear(KEY_CAMERA);		break;
+	case 0x1014: lg_map_key_clear(KEY_MESSENGER);		break;
+	case 0x1015: lg_map_key_clear(KEY_RECORD);		break;
+	case 0x1016: lg_map_key_clear(KEY_PLAYER);		break;
+	case 0x1017: lg_map_key_clear(KEY_EJECTCD);		break;
+	case 0x1018: lg_map_key_clear(KEY_MEDIA);		break;
+	case 0x1019: lg_map_key_clear(KEY_PROG1);		break;
+	case 0x101a: lg_map_key_clear(KEY_PROG2);		break;
+	case 0x101b: lg_map_key_clear(KEY_PROG3);		break;
+	case 0x101c: lg_map_key_clear(KEY_CYCLEWINDOWS);	break;
+	case 0x101f: lg_map_key_clear(KEY_ZOOMIN);		break;
+	case 0x1020: lg_map_key_clear(KEY_ZOOMOUT);		break;
+	case 0x1021: lg_map_key_clear(KEY_ZOOMRESET);		break;
+	case 0x1023: lg_map_key_clear(KEY_CLOSE);		break;
+	case 0x1027: lg_map_key_clear(KEY_MENU);		break;
+	/* this one is marked as 'Rotate' */
+	case 0x1028: lg_map_key_clear(KEY_ANGLE);		break;
+	case 0x1029: lg_map_key_clear(KEY_SHUFFLE);		break;
+	case 0x102a: lg_map_key_clear(KEY_BACK);		break;
+	case 0x102b: lg_map_key_clear(KEY_CYCLEWINDOWS);	break;
+	case 0x102d: lg_map_key_clear(KEY_WWW);			break;
+	/* The following two are 'Start/answer call' and 'End/reject call'
+	   on the MX3200 */
+	case 0x1031: lg_map_key_clear(KEY_OK);			break;
+	case 0x1032: lg_map_key_clear(KEY_CANCEL);		break;
+	case 0x1041: lg_map_key_clear(KEY_BATTERY);		break;
+	case 0x1042: lg_map_key_clear(KEY_WORDPROCESSOR);	break;
+	case 0x1043: lg_map_key_clear(KEY_SPREADSHEET);		break;
+	case 0x1044: lg_map_key_clear(KEY_PRESENTATION);	break;
+	case 0x1045: lg_map_key_clear(KEY_UNDO);		break;
+	case 0x1046: lg_map_key_clear(KEY_REDO);		break;
+	case 0x1047: lg_map_key_clear(KEY_PRINT);		break;
+	case 0x1048: lg_map_key_clear(KEY_SAVE);		break;
+	case 0x1049: lg_map_key_clear(KEY_PROG1);		break;
+	case 0x104a: lg_map_key_clear(KEY_PROG2);		break;
+	case 0x104b: lg_map_key_clear(KEY_PROG3);		break;
+	case 0x104c: lg_map_key_clear(KEY_PROG4);		break;
+
+	default:
+		return 0;
+	}
+	return 1;
+}
+
+static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi,
+		struct hid_field *field, struct hid_usage *usage,
+		unsigned long **bit, int *max)
+{
+	/* extended mapping for certain Logitech hardware (Logitech cordless
+	   desktop LX500) */
+	static const u8 e_keymap[] = {
+		  0,216,  0,213,175,156,  0,  0,  0,  0,
+		144,  0,  0,  0,  0,  0,  0,  0,  0,212,
+		174,167,152,161,112,  0,  0,  0,154,  0,
+		  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+		  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+		  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+		  0,  0,  0,  0,  0,183,184,185,186,187,
+		188,189,190,191,192,193,194,  0,  0,  0
+	};
+	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
+	unsigned int hid = usage->hid;
+
+	if (hdev->product == USB_DEVICE_ID_LOGITECH_RECEIVER &&
+			lg_ultrax_remote_mapping(hi, usage, bit, max))
+		return 1;
+
+	if (hdev->product == USB_DEVICE_ID_DINOVO_MINI &&
+			lg_dinovo_mapping(hi, usage, bit, max))
+		return 1;
+
+	if ((drv_data->quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max))
+		return 1;
+
+	if ((hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
+		return 0;
+
+	hid &= HID_USAGE;
+
+	/* Special handling for Logitech Cordless Desktop */
+	if (field->application == HID_GD_MOUSE) {
+		if ((drv_data->quirks & LG_IGNORE_DOUBLED_WHEEL) &&
+				(hid == 7 || hid == 8))
+			return -1;
+	} else {
+		if ((drv_data->quirks & LG_EXPANDED_KEYMAP) &&
+				hid < ARRAY_SIZE(e_keymap) &&
+				e_keymap[hid] != 0) {
+			hid_map_usage(hi, usage, bit, max, EV_KEY,
+					e_keymap[hid]);
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
+static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi,
+		struct hid_field *field, struct hid_usage *usage,
+		unsigned long **bit, int *max)
+{
+	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
+
+	if ((drv_data->quirks & LG_BAD_RELATIVE_KEYS) && usage->type == EV_KEY &&
+			(field->flags & HID_MAIN_ITEM_RELATIVE))
+		field->flags &= ~HID_MAIN_ITEM_RELATIVE;
+
+	if ((drv_data->quirks & LG_DUPLICATE_USAGES) && (usage->type == EV_KEY ||
+			 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_G29_WHEEL:
+		case USB_DEVICE_ID_LOGITECH_WINGMAN_FFG:
+		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:
+		case USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL:
+			field->application = HID_GD_MULTIAXIS;
+			break;
+		default:
+			break;
+		}
+	}
+
+	return 0;
+}
+
+static int lg_event(struct hid_device *hdev, struct hid_field *field,
+		struct hid_usage *usage, __s32 value)
+{
+	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
+
+	if ((drv_data->quirks & LG_INVERT_HWHEEL) && usage->code == REL_HWHEEL) {
+		input_event(field->hidinput->input, usage->type, usage->code,
+				-value);
+		return 1;
+	}
+	if (drv_data->quirks & LG_FF4) {
+		return lg4ff_adjust_input_event(hdev, field, usage, value, drv_data);
+	}
+
+	return 0;
+}
+
+static int lg_raw_event(struct hid_device *hdev, struct hid_report *report,
+		u8 *rd, int size)
+{
+	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
+
+	if (drv_data->quirks & LG_FF4)
+		return lg4ff_raw_event(hdev, report, rd, size, drv_data);
+
+	return 0;
+}
+
+static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+	struct usb_interface *iface;
+	__u8 iface_num;
+	unsigned int connect_mask = HID_CONNECT_DEFAULT;
+	struct lg_drv_data *drv_data;
+	int ret;
+
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
+	iface = to_usb_interface(hdev->dev.parent);
+	iface_num = iface->cur_altsetting->desc.bInterfaceNumber;
+
+	/* G29 only work with the 1st interface */
+	if ((hdev->product == USB_DEVICE_ID_LOGITECH_G29_WHEEL) &&
+	    (iface_num != 0)) {
+		dbg_hid("%s: ignoring ifnum %d\n", __func__, iface_num);
+		return -ENODEV;
+	}
+
+	drv_data = kzalloc(sizeof(struct lg_drv_data), GFP_KERNEL);
+	if (!drv_data) {
+		hid_err(hdev, "Insufficient memory, cannot allocate driver data\n");
+		return -ENOMEM;
+	}
+	drv_data->quirks = id->driver_data;
+
+	hid_set_drvdata(hdev, (void *)drv_data);
+
+	if (drv_data->quirks & LG_NOGET)
+		hdev->quirks |= HID_QUIRK_NOGET;
+
+	ret = hid_parse(hdev);
+	if (ret) {
+		hid_err(hdev, "parse failed\n");
+		goto err_free;
+	}
+
+	if (drv_data->quirks & (LG_FF | LG_FF2 | LG_FF3 | LG_FF4))
+		connect_mask &= ~HID_CONNECT_FF;
+
+	ret = hid_hw_start(hdev, connect_mask);
+	if (ret) {
+		hid_err(hdev, "hw start failed\n");
+		goto err_free;
+	}
+
+	/* Setup wireless link with Logitech Wii wheel */
+	if (hdev->product == USB_DEVICE_ID_LOGITECH_WII_WHEEL) {
+		static const unsigned char cbuf[] = {
+			0x00, 0xAF,  0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+		};
+		u8 *buf = kmemdup(cbuf, sizeof(cbuf), GFP_KERNEL);
+
+		if (!buf) {
+			ret = -ENOMEM;
+			goto err_stop;
+		}
+
+		ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(cbuf),
+					HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
+		if (ret >= 0) {
+			/* insert a little delay of 10 jiffies ~ 40ms */
+			wait_queue_head_t wait;
+			init_waitqueue_head (&wait);
+			wait_event_interruptible_timeout(wait, 0,
+							 msecs_to_jiffies(40));
+
+			/* Select random Address */
+			buf[1] = 0xB2;
+			get_random_bytes(&buf[2], 2);
+
+			ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(cbuf),
+					HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
+		}
+		kfree(buf);
+	}
+
+	if (drv_data->quirks & LG_FF)
+		ret = lgff_init(hdev);
+	else if (drv_data->quirks & LG_FF2)
+		ret = lg2ff_init(hdev);
+	else if (drv_data->quirks & LG_FF3)
+		ret = lg3ff_init(hdev);
+	else if (drv_data->quirks & LG_FF4)
+		ret = lg4ff_init(hdev);
+
+	if (ret)
+		goto err_stop;
+
+	return 0;
+
+err_stop:
+	hid_hw_stop(hdev);
+err_free:
+	kfree(drv_data);
+	return ret;
+}
+
+static void lg_remove(struct hid_device *hdev)
+{
+	struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
+	if (drv_data->quirks & LG_FF4)
+		lg4ff_deinit(hdev);
+	hid_hw_stop(hdev);
+	kfree(drv_data);
+}
+
+static const struct hid_device_id lg_devices[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER),
+		.driver_data = LG_RDESC | LG_WIRELESS },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER),
+		.driver_data = LG_RDESC | LG_WIRELESS },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2),
+		.driver_data = LG_RDESC | LG_WIRELESS },
+
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER),
+		.driver_data = LG_BAD_RELATIVE_KEYS },
+
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP),
+		.driver_data = LG_DUPLICATE_USAGES },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE),
+		.driver_data = LG_DUPLICATE_USAGES },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI),
+		.driver_data = LG_DUPLICATE_USAGES },
+
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD),
+		.driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500),
+		.driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
+
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D),
+		.driver_data = LG_NOGET },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DUAL_ACTION),
+		.driver_data = LG_NOGET },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL),
+		.driver_data = LG_NOGET | LG_FF4 },
+
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD),
+		.driver_data = LG_FF2 },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD),
+		.driver_data = LG_FF },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2),
+		.driver_data = LG_FF },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G29_WHEEL),
+		.driver_data = LG_FF4 },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D),
+		.driver_data = LG_FF },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO),
+		.driver_data = LG_FF },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL),
+		.driver_data = LG_NOGET | LG_FF4 },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2),
+		.driver_data = LG_FF4 },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL),
+		.driver_data = LG_FF2 },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL),
+		.driver_data = LG_FF4 },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL),
+		.driver_data = LG_FF4 },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL),
+		.driver_data = LG_FF4 },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL),
+		.driver_data = LG_NOGET | LG_FF4 },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL),
+		.driver_data = LG_FF4 },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG),
+		.driver_data = LG_NOGET | LG_FF4 },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2),
+		.driver_data = LG_NOGET | LG_FF2 },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940),
+		.driver_data = LG_FF3 },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR),
+		.driver_data = LG_RDESC_REL_ABS },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER),
+		.driver_data = LG_RDESC_REL_ABS },
+	{ }
+};
+
+MODULE_DEVICE_TABLE(hid, lg_devices);
+
+static struct hid_driver lg_driver = {
+	.name = "logitech",
+	.id_table = lg_devices,
+	.report_fixup = lg_report_fixup,
+	.input_mapping = lg_input_mapping,
+	.input_mapped = lg_input_mapped,
+	.event = lg_event,
+	.raw_event = lg_raw_event,
+	.probe = lg_probe,
+	.remove = lg_remove,
+};
+module_hid_driver(lg_driver);
+
+#ifdef CONFIG_LOGIWHEELS_FF
+int lg4ff_no_autoswitch = 0;
+module_param_named(lg4ff_no_autoswitch, lg4ff_no_autoswitch, int, S_IRUGO);
+MODULE_PARM_DESC(lg4ff_no_autoswitch, "Do not switch multimode wheels to their native mode automatically");
+#endif
+
+MODULE_LICENSE("GPL");