SM501_GATE_DISPLAY
sm501_unit_power(dev->parent, SM501_GATE_DISPLAY, 1);
sm501_unit_power(info->dev->parent, SM501_GATE_DISPLAY, 0);
sm501_unit_power(info->dev->parent, SM501_GATE_DISPLAY, 0);
sm501_unit_power(info->dev->parent, SM501_GATE_DISPLAY, 1);