diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c
index 7cd83c8e7110..56dca0179330 100644
--- a/drivers/input/keyboard/adp5588-keys.c
+++ b/drivers/input/keyboard/adp5588-keys.c
@@ -627,7 +627,7 @@ static int adp5588_setup(struct adp5588_kpad *kpad)
 
 	for (i = 0; i < KEYP_MAX_EVENT; i++) {
 		ret = adp5588_read(client, KEY_EVENTA);
-		if (ret)
+		if (ret < 0)
 			return ret;
 	}