HDSPM_c0_Pro 4537 sound/pci/rme9652/hdspm.c HDSPM_TOGGLE_SETTING("S/PDIF Out Professional", HDSPM_c0_Pro), HDSPM_c0_Pro 4581 sound/pci/rme9652/hdspm.c HDSPM_TOGGLE_SETTING("S/PDIF Out Professional", HDSPM_c0_Pro),