ACPI_EVENT_MASK 217 dev/acpi/acpivar.h #define ACPI_EVENT_COMPOSE(t,i) (((i) & 0x7fff) << 16 | ((t) & ACPI_EVENT_MASK)) ACPI_EVENT_MASK 218 dev/acpi/acpivar.h #define ACPI_EVENT_TYPE(e) ((e) & ACPI_EVENT_MASK)