diff --git a/drivers/platform/x86/xo15-ebook.c b/drivers/platform/x86/xo15-ebook.c
index fad153d..849c07c 100644
--- a/drivers/platform/x86/xo15-ebook.c
+++ b/drivers/platform/x86/xo15-ebook.c
@@ -77,11 +77,13 @@
 	}
 }
 
-static int ebook_switch_resume(struct acpi_device *device)
+static int ebook_switch_resume(struct device *dev)
 {
-	return ebook_send_state(device);
+	return ebook_send_state(to_acpi_device(dev));
 }
 
+static SIMPLE_DEV_PM_OPS(ebook_switch_pm, NULL, ebook_switch_resume);
+
 static int ebook_switch_add(struct acpi_device *device)
 {
 	struct ebook_switch *button;
@@ -161,10 +163,10 @@
 	.ids = ebook_device_ids,
 	.ops = {
 		.add = ebook_switch_add,
-		.resume = ebook_switch_resume,
 		.remove = ebook_switch_remove,
 		.notify = ebook_switch_notify,
 	},
+	.drv.pm = &ebook_switch_pm,
 };
 
 static int __init xo15_ebook_init(void)