linux-kernel - [PATCH 46/85] ACPI: don't enable control method power button as wakeup device when Fixed Power button is used

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Date:	Sat, 11 Oct 2008 02:36:06 -0400
From:	Len Brown <lenb@...nel.org>
To:	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Zhang Rui <rui.zhang@...el.com>, Len Brown <len.brown@...el.com>
Subject: [PATCH 46/85] ACPI: don't enable control method power button as wakeup
 device when Fixed Power button is used

From: Zhang Rui <rui.zhang@...el.com>

don't enable control method power button as wakeup device
when Fixed Power button is used.

http://bugzilla.kernel.org/show_bug.cgi?id=10503

Tested-by: walken@....org <walken@....org>
Signed-off-by: Zhang Rui <rui.zhang@...el.com>
Signed-off-by: Len Brown <len.brown@...el.com>
---
 drivers/acpi/scan.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index f6f52c1..5ce14ae 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -744,6 +744,16 @@ static int acpi_bus_get_wakeup_device_flags(struct acpi_device *device)
 	if (!acpi_match_device_ids(device, button_device_ids))
 		device->wakeup.flags.run_wake = 1;
 
+	/*
+	 * Don't set Power button GPE as run_wake
+	 * if Fixed Power button is used
+	 */
+	if (!strcmp(device->pnp.hardware_id, "PNP0C0C") &&
+		!(acpi_gbl_FADT.flags & ACPI_FADT_POWER_BUTTON)) {
+		device->wakeup.flags.run_wake = 0;
+		device->wakeup.flags.valid = 0;
+	}
+
       end:
 	if (ACPI_FAILURE(status))
 		device->flags.wake_capable = 0;
-- 
1.5.5.1

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