E_SOURCE_DRV      247 sound/pci/lx6464es/lx_defs.h #define ED_GN           (ERROR_VALUE | E_SOURCE_DRV | E_CLASS_GENERAL)
E_SOURCE_DRV      308 sound/pci/lx6464es/lx_defs.h #define ED_RT           (ERROR_VALUE | E_SOURCE_DRV | E_CLASS_REAL_TIME_ERROR)