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>

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 213219d938e8f16fdf73a06efe8d84df55738d5f..886a4306e78c89c746889e788022162ce4eecd34 100644 (file)
--- 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");