diff --git a/Documentation/laptops/thinkpad-acpi.txt b/Documentation/laptops/thinkpad-acpi.txt
index 6d03487ef1c71ea3a3ea6cc30240e2a0c9f9d5d4..f635fb09d62092443ffd7045df40c2a181a8ce81 100644
--- a/Documentation/laptops/thinkpad-acpi.txt
+++ b/Documentation/laptops/thinkpad-acpi.txt
@@ -525,6 +525,7 @@ compatibility purposes when hotkey_report_mode is set to 1.
 0x2305		System is waking up from suspend to eject bay
 0x2404		System is waking up from hibernation to undock
 0x2405		System is waking up from hibernation to eject bay
+0x5010		Brightness level changed/control event
 
 The above events are never propagated by the driver.
 
@@ -532,7 +533,6 @@ The above events are never propagated by the driver.
 0x4003		Undocked (see 0x2x04), can sleep again
 0x500B		Tablet pen inserted into its storage bay
 0x500C		Tablet pen removed from its storage bay
-0x5010		Brightness level changed (newer Lenovo BIOSes)
 
 The above events are propagated by the driver.
 
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 1b4d6f686bf041a5953f7e40c5e9002b574dd56f..66ba5f57d786fd793bee45341c6dd5b5a7bd0408 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;