RT3070_GPIO_SWITCH
tmp = RAL_READ(sc, RT3070_GPIO_SWITCH);
RAL_WRITE(sc, RT3070_GPIO_SWITCH, tmp & ~0x20);
run_read(sc, RT3070_GPIO_SWITCH, &tmp);
run_write(sc, RT3070_GPIO_SWITCH, tmp & ~0x20);
run_read(sc, RT3070_GPIO_SWITCH, &tmp);
run_write(sc, RT3070_GPIO_SWITCH, tmp);