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authorZhang Rui <rui.zhang@intel.com>2012-12-04 23:23:16 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2012-12-04 23:23:16 +0100
commitb7e383046c2c7c13ad928cd7407eafff758ddd4b (patch)
tree5d0ca5f0cc3cfc489b16f2d7437e1183d65d866c /drivers/acpi
parenta6b5e88c0e42093b9057856f35770966c8c591e3 (diff)
ACPI : do not use Lid and Sleep button for S5 wakeup
When system enters power off, the _PSW of Lid device is enabled. But this may cause the system to reboot instead of power off. A proper way to fix this is to always disable lid wakeup capability for S5. References: https://bugzilla.kernel.org/show_bug.cgi?id=35262 Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/scan.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index d0b38ab47ab5..bd523bfbaad1 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -917,8 +917,8 @@ acpi_bus_extract_wakeup_device_power_package(acpi_handle handle,
static void acpi_bus_set_run_wake_flags(struct acpi_device *device)
{
struct acpi_device_id button_device_ids[] = {
- {"PNP0C0D", 0},
{"PNP0C0C", 0},
+ {"PNP0C0D", 0},
{"PNP0C0E", 0},
{"", 0},
};
@@ -930,6 +930,11 @@ static void acpi_bus_set_run_wake_flags(struct acpi_device *device)
/* Power button, Lid switch always enable wakeup */
if (!acpi_match_device_ids(device, button_device_ids)) {
device->wakeup.flags.run_wake = 1;
+ if (!acpi_match_device_ids(device, &button_device_ids[1])) {
+ /* Do not use Lid/sleep button for S5 wakeup */
+ if (device->wakeup.sleep_state == ACPI_STATE_S5)
+ device->wakeup.sleep_state = ACPI_STATE_S4;
+ }
device_set_wakeup_capable(&device->dev, true);
return;
}