ACPI / x86: Add support for LPS0 callback handler

[sfrench/cifs-2.6.git] / include / linux / acpi.h

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 6274758648e37db4166444f67f83099a1f040908..47c16cdc8e0e8a17ce38bfc27f768339266cce15 100644 (file)
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -1023,7 +1023,15 @@ void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
 
 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
                                           u32 val_a, u32 val_b);
-
+#ifdef CONFIG_X86
+struct acpi_s2idle_dev_ops {
+       struct list_head list_node;
+       void (*prepare)(void);
+       void (*restore)(void);
+};
+int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg);
+void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg);
+#endif /* CONFIG_X86 */
 #ifndef CONFIG_IA64
 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
 #else