This patch (initially submitted by Valentin Zagura) adds the Logitech Formula Force EX to the list of devices handled by hid-lgff.
Also updated the text of the Kconfig entry.

Signed-off-by: Johann Deneux < johann.deneux@gmail.com>

--- linux-2.6.20.orig/drivers/usb/input/Kconfig    2007-02-04 19:44:54.000000000 +0100
+++ linux-2.6.20/drivers/usb/input/Kconfig    2007-02-15 12:27:42.000000000 +0100
@@ -56,17 +56,21 @@ config HID_PID
       Say Y here if you have a PID-compliant device and wish to enable force
       feedback for it. Microsoft Sidewinder Force Feedback 2 is one of such
       devices.
 
 config LOGITECH_FF
-    bool "Logitech WingMan *3D support"
+    bool "Logitech devices support"
     depends on HID_FF
     select INPUT_FF_MEMLESS if USB_HID
     help
       Say Y here if you have one of these devices:
       - Logitech WingMan Cordless RumblePad
+      - Logitech WingMan Cordless RumblePad 2
       - Logitech WingMan Force 3D
+      - Logitech Formula Force EX
+      - Logitech MOMO Force wheel
+
       and if you want to enable force feedback for them.
       Note: if you say N here, this device will still be supported, but without
       force feedback.
 
 config THRUSTMASTER_FF
--- linux-2.6.20.orig/drivers/usb/input/hid-ff.c    2007-02-04 19:44:54.000000000 +0100
+++ linux-2.6.20/drivers/usb/input/hid-ff.c    2007-02-15 12:16:53.000000000 +0100
@@ -53,10 +53,11 @@ struct hid_ff_initializer {
  */
 static struct hid_ff_initializer inits[] = {
 #ifdef CONFIG_LOGITECH_FF
     { 0x46d, 0xc211, hid_lgff_init }, /* Logitech Cordless rumble pad */
     { 0x46d, 0xc283, hid_lgff_init }, /* Logitech Wingman Force 3d */
+    { 0x46d, 0xc294, hid_lgff_init }, /* Logitech Formula Force EX */
     { 0x46d, 0xc295, hid_lgff_init }, /* Logitech MOMO force wheel */
     { 0x46d, 0xc219, hid_lgff_init }, /* Logitech Cordless rumble pad 2 */
 #endif
 #ifdef CONFIG_THRUSTMASTER_FF
     { 0x44f, 0xb304, hid_tmff_init },