regb_value        326 include/acpi/acpiosxf.h acpi_status acpi_os_enter_sleep(u8 sleep_state, u32 rega_value, u32 regb_value);
regb_value        301 tools/power/acpi/os_specific/service_layers/osunixxf.c acpi_status acpi_os_enter_sleep(u8 sleep_state, u32 rega_value, u32 regb_value)