linux-2.6.18:xen-kbdfront: re-enable REL_WHEEL event

# HG changeset patch
# User Olaf Hering <[email protected]>
# Date 1316612524 -7200
# Node ID 4d03b2c3bf5953afddca325e15cce89ad5db0098 # Parent 56c7b8e10d3ba46e34d7a1be3b708da6f999b1a0 linux-2.6.18:xen-kbdfront: re-enable REL_WHEEL event

In commit 1083:211849d9d511 the wheel event was lost due to an incorrect backport of upstream commit 8c3c283e6bf463ab498d6e7823aff6c4762314b6. With this change the wheel event is available again in the guest.

diff -r 56c7b8e10d3b -r 4d03b2c3bf59 drivers/xen/fbfront/xenkbd.c
@@ -170,6 +170,7 @@ int __devinit xenkbd_probe(struct xenbus
 		__set_bit(REL_Y, ptr->relbit);
 	}
 	__set_bit(REL_WHEEL, ptr->relbit);
+	__set_bit(EV_REL, ptr->evbit);
 
 	__set_bit(EV_KEY, ptr->evbit);
 	for (i = BTN_LEFT; i <= BTN_TASK; i++)