apc_readb
if (put_user(apc_readb(APC_BPORT_REG) & APC_BPMASK, arg))
apc_writeb(apc_readb(APC_IDLE_REG) | APC_IDLE_ON, APC_IDLE_REG);
if (put_user(apc_readb(APC_FANCTL_REG) & APC_REGMASK, arg))
if (put_user(apc_readb(APC_CPOWER_REG) & APC_REGMASK, arg))