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-rw-r--r--include/linux/acpi.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index f53fea61f40a..f421dd84f29d 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -372,4 +372,14 @@ static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
#endif /* !CONFIG_ACPI */
+#ifdef CONFIG_ACPI
+void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
+ u32 pm1a_ctrl, u32 pm1b_ctrl));
+
+acpi_status acpi_os_prepare_sleep(u8 sleep_state,
+ u32 pm1a_control, u32 pm1b_control);
+#else
+#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
+#endif
+
#endif /*_LINUX_ACPI_H*/