X-Git-Url: http://git.alex.org.uk

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index e36d5f7..6ad4656 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -928,6 +928,10 @@ static int acpi_bus_get_power_flags(struct acpi_device *device)
 	device->power.states[ACPI_STATE_D3].flags.valid = 1;
 	device->power.states[ACPI_STATE_D3].power = 0;
 
+	/* Set D3cold's explicit_set flag if _PS3 exists. */
+	if (device->power.states[ACPI_STATE_D3_HOT].flags.explicit_set)
+		device->power.states[ACPI_STATE_D3_COLD].flags.explicit_set = 1;
+
 	acpi_bus_init_power(device);
 
 	return 0;