platform/x86: thinkpad-acpi: Add support for hotkey 0x1401

F8 mode key on Lenovo 2025 platforms use a different key code.
Adding support for the new keycode 0x1401.

Tested on X1 Carbon Gen 13 and X1 2-in-1 Gen 10.

Signed-off-by: Vishnu Sankar <vishnuocv@gmail.com>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://lore.kernel.org/r/20241227231840.21334-1-vishnuocv@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

diff --git a/Documentation/admin-guide/laptops/thinkpad-acpi.rst b/Documentation/admin-guide/laptops/thinkpad-acpi.rst
index 7f674a6..4ab0fef 100644 (file)
--- a/Documentation/admin-guide/laptops/thinkpad-acpi.rst
+++ b/Documentation/admin-guide/laptops/thinkpad-acpi.rst
@@ -445,8 +445,10 @@ event      code    Key             Notes
 0x1008 0x07    FN+F8           IBM: toggle screen expand
                                Lenovo: configure UltraNav,
                                or toggle screen expand.
-                               On newer platforms (2024+)
-                               replaced by 0x131f (see below)
+                               On 2024 platforms replaced by
+                               0x131f (see below) and on newer
+                               platforms (2025 +) keycode is
+                               replaced by 0x1401 (see below).
 
 0x1009 0x08    FN+F9           -
 
@@ -506,9 +508,11 @@ event      code    Key             Notes
 
 0x1019 0x18    unknown
 
-0x131f ...     FN+F8           Platform Mode change.
+0x131f ...     FN+F8           Platform Mode change (2024 systems).
                                Implemented in driver.
 
+0x1401 ...     FN+F8           Platform Mode change (2025 + systems).
+                               Implemented in driver.
 ...    ...     ...
 
 0x1020 0x1F    unknown

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 6371a9f..2cfb2ac 100644 (file)
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -184,7 +184,8 @@ enum tpacpi_hkey_event_t {
                                                   */
        TP_HKEY_EV_AMT_TOGGLE           = 0x131a, /* Toggle AMT on/off */
        TP_HKEY_EV_DOUBLETAP_TOGGLE     = 0x131c, /* Toggle trackpoint doubletap on/off */
-       TP_HKEY_EV_PROFILE_TOGGLE       = 0x131f, /* Toggle platform profile */
+       TP_HKEY_EV_PROFILE_TOGGLE       = 0x131f, /* Toggle platform profile in 2024 systems */
+       TP_HKEY_EV_PROFILE_TOGGLE2      = 0x1401, /* Toggle platform profile in 2025 + systems */
 
        /* Reasons for waking up from S3/S4 */
        TP_HKEY_EV_WKUP_S3_UNDOCK       = 0x2304, /* undock requested, S3 */
@@ -11200,6 +11201,7 @@ static bool tpacpi_driver_event(const unsigned int hkey_event)
                tp_features.trackpoint_doubletap = !tp_features.trackpoint_doubletap;
                return true;
        case TP_HKEY_EV_PROFILE_TOGGLE:
+       case TP_HKEY_EV_PROFILE_TOGGLE2:
                platform_profile_cycle();
                return true;
        }