Index: firmware/drivers/generic_i2c.c
===================================================================
--- firmware/drivers/generic_i2c.c	(revision 21245)
+++ firmware/drivers/generic_i2c.c	(working copy)
@@ -217,6 +217,10 @@
     i2c_if[bus_index] = iface;
 
     iface->scl_output();
+    iface->scl_hi();
+    iface->sda_output();
+    iface->sda_hi();
+    iface->delay_thigh();
 
     return bus_index;
 }