add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/acpi/sleep.h
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@@ -2,6 +2,7 @@
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 extern void acpi_enable_wakeup_devices(u8 sleep_state);
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 extern void acpi_disable_wakeup_devices(u8 sleep_state);
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+extern bool acpi_check_wakeup_handlers(void);
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 extern struct list_head acpi_wakeup_device_list;
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 extern struct mutex acpi_device_lock;