ACPI: button: Use acpi_device's handle instead of driver's

Signed-off-by: Patrick Mochel <mochel@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 0259463..eefb9e4 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -137,7 +137,7 @@
 	if (!button || !button->device)
 		return 0;
 
-	status = acpi_evaluate_integer(button->handle, "_LID", NULL, &state);
+	status = acpi_evaluate_integer(button->device->handle, "_LID", NULL, &state);
 	if (ACPI_FAILURE(status)) {
 		seq_printf(seq, "state:      unsupported\n");
 	} else {
@@ -282,7 +282,7 @@
 	if (!button)
 		return AE_BAD_PARAMETER;
 
-	acpi_button_notify(button->handle, ACPI_BUTTON_NOTIFY_STATUS, button);
+	acpi_button_notify(button->device->handle, ACPI_BUTTON_NOTIFY_STATUS, button);
 
 	return AE_OK;
 }
@@ -362,7 +362,7 @@
 						     button);
 		break;
 	default:
-		status = acpi_install_notify_handler(button->handle,
+		status = acpi_install_notify_handler(device->handle,
 						     ACPI_DEVICE_NOTIFY,
 						     acpi_button_notify,
 						     button);
@@ -420,7 +420,7 @@
 						    acpi_button_notify_fixed);
 		break;
 	default:
-		status = acpi_remove_notify_handler(button->handle,
+		status = acpi_remove_notify_handler(device->handle,
 						    ACPI_DEVICE_NOTIFY,
 						    acpi_button_notify);
 		break;