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ACPI: Introduce acpi_bus_power_manageable function

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Introduce function acpi_bus_power_manageable() allowing other
(dependent) subsystems to check if ACPI is able to power manage given
device.  This may be useful, for example, for PCI device power
management.

Signed-off-by: Rafael J. Wysocki <[email protected]>
Acked-by: Pavel Machek <[email protected]>
Signed-off-by: Jesse Barnes <[email protected]>
This commit is contained in:
Rafael J. Wysocki 2008-07-07 03:30:55 +02:00 • committed by Jesse Barnes
commit 3737b2b104
2 changed files with 12 additions and 0 deletions
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include/acpi/acpi_bus.h
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@ -335,6 +335,7 @@ void acpi_bus_data_handler(acpi_handle handle, u32 function, void *context);
int acpi_bus_get_status(struct acpi_device *device);
int acpi_bus_get_power(acpi_handle handle, int *state);
int acpi_bus_set_power(acpi_handle handle, int state);
bool acpi_bus_power_manageable(acpi_handle handle);
#ifdef CONFIG_ACPI_PROC_EVENT
int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data);
int acpi_bus_generate_proc_event4(const char *class, const char *bid, u8 type, int data);