acpi_sleep_prepare 426 drivers/acpi/sleep.c int error = acpi_sleep_prepare(acpi_target_sleep_state); acpi_sleep_prepare 1233 drivers/acpi/sleep.c error = acpi_sleep_prepare(ACPI_STATE_S4); acpi_sleep_prepare 1290 drivers/acpi/sleep.c acpi_sleep_prepare(ACPI_STATE_S5);