reg_mbox3 583 sound/pci/lx6464es/lx6464es.c u32 reg_mbox3; reg_mbox3 585 sound/pci/lx6464es/lx6464es.c reg_mbox3 = lx_plx_reg_read(chip, ePLX_MBOX3); reg_mbox3 586 sound/pci/lx6464es/lx6464es.c if (reg_mbox3) {