XVIP_CTRL_CONTROL_REG_UPDATE
XVIP_CTRL_CONTROL_SW_ENABLE | XVIP_CTRL_CONTROL_REG_UPDATE);
xvip_set(xvip, XVIP_CTRL_CONTROL, XVIP_CTRL_CONTROL_REG_UPDATE);
xvip_clr(xvip, XVIP_CTRL_CONTROL, XVIP_CTRL_CONTROL_REG_UPDATE);
XVIP_CTRL_CONTROL_REG_UPDATE);