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

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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>
This commit is contained in:
Vishnu Sankar 2024-12-28 08:18:40 +09:00 committed by Ilpo Järvinen
parent 032fe9b051
commit 7e16ae558a
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GPG Key ID: 59AC4F6153E5CE31
2 changed files with 10 additions and 4 deletions
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10
Documentation/admin-guide/laptops/thinkpad-acpi.rst
View File

@ -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

4
drivers/platform/x86/thinkpad_acpi.c
View File

@ -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;
}