snd_als4k_iobase_readb 537 sound/pci/als4000.c pci_irqstatus = snd_als4k_iobase_readb(chip->alt_port, snd_als4k_iobase_readb 564 sound/pci/als4000.c snd_als4k_iobase_readb(chip->alt_port,