GPIO_SWITCH
reg = rt2800_register_read(rt2x00dev, GPIO_SWITCH);
rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
reg = rt2800_register_read(rt2x00dev, GPIO_SWITCH);
rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
reg = rt2800_register_read(rt2x00dev, GPIO_SWITCH);
rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
reg = rt2800_register_read(rt2x00dev, GPIO_SWITCH);
rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);