[PATCH 5/11] ACPI / PM: Report wakeup events from buttons

From: Rafael J. Wysocki
Date: Thu Jan 06 2011 - 17:44:26 EST


From: Rafael J. Wysocki <rjw@xxxxxxx>

Since ACPI buttons and lids can be configured to wake up the system
from sleep states, report wakeup events from these devices.

Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>
---
drivers/acpi/button.c | 5 +++++
1 file changed, 5 insertions(+)

Index: linux-2.6/drivers/acpi/button.c
===================================================================
--- linux-2.6.orig/drivers/acpi/button.c
+++ linux-2.6/drivers/acpi/button.c
@@ -279,6 +279,9 @@ static int acpi_lid_send_state(struct ac
input_report_switch(button->input, SW_LID, !state);
input_sync(button->input);

+ if (state)
+ pm_wakeup_event(&device->dev, 0);
+
ret = blocking_notifier_call_chain(&acpi_lid_notifier, state, device);
if (ret == NOTIFY_DONE)
ret = blocking_notifier_call_chain(&acpi_lid_notifier, state,
@@ -314,6 +317,8 @@ static void acpi_button_notify(struct ac
input_sync(input);
input_report_key(input, keycode, 0);
input_sync(input);
+
+ pm_wakeup_event(&device->dev, 0);
}

acpi_bus_generate_proc_event(device, event, ++button->pushed);

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