OMAP_CTRL_DEV_VBUSVALID
val |= OMAP_CTRL_DEV_AVALID | OMAP_CTRL_DEV_VBUSVALID;
OMAP_CTRL_DEV_VBUSVALID;
val &= ~(OMAP_CTRL_DEV_AVALID | OMAP_CTRL_DEV_VBUSVALID);