snd_cs4281_interrupt 495 sound/pci/cs4281.c static irqreturn_t snd_cs4281_interrupt(int irq, void *dev_id); snd_cs4281_interrupt 1392 sound/pci/cs4281.c if (request_irq(pci->irq, snd_cs4281_interrupt, IRQF_SHARED,