eh...

Change-Id: Ie36726d538f1630839977ad751aff47ef6de0a4e
add function prototype

Change-Id: I2f559429778ef16fda03c0bb21ae8ab56e3e18b9
add some printk's

Change-Id: Ib818c25e4a85d8c84c13f8d2930818a842435ad3