ideapad: generate valid key event only

Otherwise will generate KEY_UNKNOWN on un-listed vpc event,
which means nothing and is hard for user to report the detail
of the event.

Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index 00d82f168c5..4f20f8dd3d7 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -784,6 +784,10 @@ static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event)
                         case 9:
                                 ideapad_sync_rfk_state(priv);
                                 break;
+                        case 13:
+                        case 6:
+                                ideapad_input_report(priv, vpc_bit);
+                                break;
                         case 4:
                                 ideapad_backlight_notify_brightness(priv);
                                 break;
@@ -794,7 +798,7 @@ static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event)
                                 ideapad_backlight_notify_power(priv);
                                 break;
                         default:
-                                ideapad_input_report(priv, vpc_bit);
+                                pr_info("Unknown event: %lu\n", vpc_bit);
                         }
                 }
         }