thinkpad-acpi: drop HKEY event 0x5010

HKEY event 0x5010 is useless to us: old ThinkPads don't issue it.  Newer
ThinkPads won't issue it anymore.  And all ThinkPads issue 0x1010 and
0x1011 events.

Just silently drop it instead of sending it to userspace.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 1b4d6f686bf0..66ba5f57d786 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -3305,7 +3305,6 @@ static bool hotkey_notify_usrevent(const u32 hkey,
         *ignore_acpi_ev = false;
 
         switch (hkey) {
-        case 0x5010: /* Lenovo new BIOS: brightness changed */
         case 0x500b: /* X61t: tablet pen inserted into bay */
         case 0x500c: /* X61t: tablet pen removed from bay */
                 return true;
@@ -3317,9 +3316,10 @@ static bool hotkey_notify_usrevent(const u32 hkey,
                 *send_acpi_ev = false;
                 return true;
 
-        case 0x5001:
-        case 0x5002:
-                /* LID switch events.  Do not propagate */
+        case 0x5001: /* Lid close */
+        case 0x5002: /* Lid open */
+        case 0x5010: /* brightness control */
+                /* do not propagate these events */
                 *ignore_acpi_ev = true;
                 return true;