asus-laptop: log unknown keys

Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index b7944f903886..3976cfac5ffe 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -1364,8 +1364,10 @@ err_btrfk:
  */
 static void asus_input_notify(struct asus_laptop *asus, int event)
 {
-        if (asus->inputdev)
-                sparse_keymap_report_event(asus->inputdev, event, 1, true);
+        if (!asus->inputdev)
+                return ;
+        if (!sparse_keymap_report_event(asus->inputdev, event, 1, true))
+                pr_info("Unknown key %x pressed\n", event);
 }
 
 static int asus_input_init(struct asus_laptop *asus)