ACPI: thinkpad-acpi: handle HKEY event 6030

HKEY event 0x6030 is a helper for Lenovo's Advanced Thermal Management
Windows driver, which is, of course, completely undocumented.

Silence any warnings about it being an unknown alarm, and report it
unmodified for userspace.

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

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 213219d938e8..886a4306e78c 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -2702,6 +2702,12 @@ static bool hotkey_notify_thermal(const u32 hkey,
                         "a sensor reports something is extremely hot!\n");
                 /* recommended action: immediate sleep/hibernate */
                 return true;
+        case 0x6030:
+                printk(TPACPI_INFO
+                        "EC reports that Thermal Table has changed\n");
+                /* recommended action: do nothing, we don't have
+                 * Lenovo ATM information */
+                return true;
         default:
                 printk(TPACPI_ALERT
                          "THERMAL ALERT: unknown thermal alarm received\n");