From a84342f95cba2be19a9990f071fb30eb510c1e55 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Tue, 8 Feb 2011 23:41:13 +0100
Subject: [PATCH] --- yaml --- r: 241675 b: refs/heads/master c:
 c19f9a84ec807da57fd75bbd9a3f2b8269611f79 h: refs/heads/master i:   241673:
 0918a7ca4aa3a7b61618fa3b6fd1ce3ab14d8d43   241671:
 143899c7b517c00e8e1a2482dc8840bcab8da313 v: v3

---
 [refs]                      | 2 +-
 trunk/drivers/acpi/button.c | 9 +++++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/[refs] b/[refs]
index 97c2d52e6867..6b6aedb27c52 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5190726765b40774c069e187a958e10ccd970e65
+refs/heads/master: c19f9a84ec807da57fd75bbd9a3f2b8269611f79
diff --git a/trunk/drivers/acpi/button.c b/trunk/drivers/acpi/button.c
index e643a0936dc4..12c28f4adb67 100644
--- a/trunk/drivers/acpi/button.c
+++ b/trunk/drivers/acpi/button.c
@@ -98,6 +98,7 @@ struct acpi_button {
 	struct input_dev *input;
 	char phys[32];			/* for input device */
 	unsigned long pushed;
+	bool wakeup_enabled;
 };
 
 static const struct file_operations acpi_button_info_fops = {
@@ -430,7 +431,10 @@ static int acpi_button_add(struct acpi_device *device)
 		/* Button's GPE is run-wake GPE */
 		acpi_enable_gpe(device->wakeup.gpe_device,
 				device->wakeup.gpe_number);
-		device_set_wakeup_enable(&device->dev, true);
+		if (!device_may_wakeup(&device->dev)) {
+			device_set_wakeup_enable(&device->dev, true);
+			button->wakeup_enabled = true;
+		}
 	}
 
 	printk(KERN_INFO PREFIX "%s [%s]\n", name, acpi_device_bid(device));
@@ -452,7 +456,8 @@ static int acpi_button_remove(struct acpi_device *device, int type)
 	if (device->wakeup.flags.valid) {
 		acpi_disable_gpe(device->wakeup.gpe_device,
 				device->wakeup.gpe_number);
-		device_set_wakeup_enable(&device->dev, false);
+		if (button->wakeup_enabled)
+			device_set_wakeup_enable(&device->dev, false);
 	}
 
 	acpi_button_remove_fs(device);