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ACPI / PM: Add more run-time wake-up fields

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Use the run_wake flag to mark all devices for which run-time wake-up
events may be generated by the platform.  Introduce a new wake-up
flag, always_enabled, for marking devices that should be permanently
enabled to generate run-time events.  Also, introduce a reference
counter for run-wake devices and a function that will initialize all
of the run-time wake-up fields for given device.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Rafael J. Wysocki
2010-02-17 23:41:49 +01:00
committed by Jesse Barnes
parent 9630bdd9b1
commit f517709d65
4 changed files with 33 additions and 11 deletions
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drivers/acpi/button.c
+2
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@@ -425,6 +425,7 @@ static int acpi_button_add(struct acpi_device *device)
acpi_enable_gpe(device->wakeup.gpe_device,
device->wakeup.gpe_number,
ACPI_GPE_TYPE_WAKE_RUN);
device->wakeup.run_wake_count++;
device->wakeup.state.enabled = 1;
}
@@ -448,6 +449,7 @@ static int acpi_button_remove(struct acpi_device *device, int type)
acpi_disable_gpe(device->wakeup.gpe_device,
device->wakeup.gpe_number,
ACPI_GPE_TYPE_WAKE_RUN);
device->wakeup.run_wake_count--;
device->wakeup.state.enabled = 0;
}