kernel.git/drivers/platform/x86/lenovo, branch linux-rolling-stable

platform/x86: thinkpad_acpi: Fix errors reading battery thresholds

2026-03-12T11:09:41Z

[ Upstream commit 53e977b1d50c46f2c4ec3865cd13a822f58ad3cd ] Check whether the battery supports the relevant charge threshold before reading the value to silence these errors: thinkpad_acpi: acpi_evalf(BCTG, dd, ...) failed: AE_NOT_FOUND ACPI: \_SB_.PCI0.LPC_.EC__.HKEY: BCTG: evaluate failed thinkpad_acpi: acpi_evalf(BCSG, dd, ...) failed: AE_NOT_FOUND ACPI: \_SB_.PCI0.LPC_.EC__.HKEY: BCSG: evaluate failed when reading the charge thresholds via sysfs on platforms that do not support them such as the ThinkPad T400. Fixes: 2801b9683f74 ("thinkpad_acpi: Add support for battery thresholds") Closes: https://bugzilla.kernel.org/show_bug.cgi?id=202619 Signed-off-by: Jonathan Teh Reviewed-by: Mark Pearson Link: https://patch.msgid.link/MI0P293MB01967B206E1CA6F337EBFB12926CA@MI0P293MB0196.ITAP293.PROD.OUTLOOK.COM Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen Signed-off-by: Sasha Levin

platform/x86: ideapad-laptop: Reassign KEY_CUT to KEY_SELECTIVE_SCREENSHOT

2025-12-29T11:56:14Z

As per Lenovo documentation, Fn+Print-Screen should "Open the Snipping tool" which corresponds to KEY_SELECTIVE_SCREENSHOT (keycode 0x27a). It is currently assigned to KEY_CUT because keycodes under 248 were preferred due to X11 limitations. Reassign Fn+Print-Screen from KEY_CUT to KEY_SELECTIVE_SCREENSHOT. Closes: https://bugzilla.kernel.org/show_bug.cgi?id=220566 Signed-off-by: Tomáš Hnyk Link: https://patch.msgid.link/20251226203454.405520-1-tomashnyk@gmail.com Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen

platform/x86: think-lmi: Add WMI certificate thumbprint support for ThinkCenter

2025-12-22T14:12:41Z

The ThinkCenter team are adding WMI certificate thumbprint support. Updating the driver to enable it. They are using the same GUID as Thinkpad/ThinkStation. Tested on M75q Gen 5. Signed-off-by: Mark Pearson Link: https://patch.msgid.link/20251127202959.399040-1-mpearson-lenovo@squebb.ca Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen

platform/x86: wmi-gamezone: Add Legion Go 2 Quirks

2025-11-28T10:03:27Z

Add Legion Go 2 SKU's to the Extreme Mode quirks table. Signed-off-by: Derek J. Clark Reviewed-by: Armin Wolf Reviewed-by: Mark Pearson Link: https://patch.msgid.link/20251127151605.1018026-4-derekjohn.clark@gmail.com Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen

platform/x86: lenovo-wmi-gamezone Use max-power rather than balanced-performance

2025-11-28T10:03:25Z

When developing the gamezone WMI drivers, "extreme mode" was matched to the performance platform profile and "performance" was matched to the balanced-performance platform profile, but only if extreme mode was fully supported; otherwise performance was matched to the "performance" platform profile. This has led to quite a bit of confusion with users not understanding why the LED color indicating the platform profile doesn't match their expectations. To solve this, replace the confusing convention by using the new max-power profile to represent "extreme mode". While add it, update the documentation to reflect the expected LED colors in each operating mode. Signed-off-by: Derek J. Clark Reviewed-by: Armin Wolf Reviewed-by: Mark Pearson Link: https://patch.msgid.link/20251127151605.1018026-3-derekjohn.clark@gmail.com Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen

platform/x86: ideapad-laptop: Add charge_types:Fast (Rapid Charge)

2025-11-10T09:55:43Z

The GBMD/SBMC interface on recent devices supports Rapid Charge mode (charge_types: Fast) in addition to Conservation Mode (charge_types: Long_Life). Query the GBMD interface on probe to determine if a device supports Rapid Charge. If so, expose these two modes while carefully maintaining their mutually exclusive state, which aligns with the behavior of manufacturer utilities on Windows. Signed-off-by: Rong Zhang Acked-by: Ike Panhc Reviewed-by: Mark Pearson Tested-By: Jelle van der Waa Link: https://patch.msgid.link/20251105182832.104946-5-i@rong.moe Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen

platform/x86: ideapad-laptop: Support multiple power_supply_ext definitions

2025-11-10T09:55:41Z

Some recent devices supports more charge_types. To properly support these device without breaking the existing ones, we need to define multiple power_supply_ext for different GBMD/SBMC interface revisions. No functional change intended. Signed-off-by: Rong Zhang Link: https://patch.msgid.link/20251105182832.104946-4-i@rong.moe Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen

platform/x86: ideapad-laptop: Protect GBMD/SBMC calls with mutex

2025-11-10T09:55:39Z

The upcoming changes for Rapid Charge support require two consecutive SBMC calls to switch charge_types. Hence, a mutex is required. No functional change intended. Signed-off-by: Rong Zhang Acked-by: Ike Panhc Link: https://patch.msgid.link/20251105182832.104946-3-i@rong.moe Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen

platform/x86: ideapad-laptop: Use str_on_off() helper

2025-11-10T09:55:36Z

Use the str_on_off() helper instead of open-coding the same operation. This improves code readability. No functional change intended. Suggested-by: kernel test robot Suggested-by: Julia Lawall Link: https://lore.kernel.org/r/202510311551.xjWbHTrm-lkp@intel.com/ Suggested-by: Ilpo Järvinen Link: https://lore.kernel.org/r/2bae2ea7-2ef9-0cfa-0c2c-39a7043b2aa5@linux.intel.com/ Signed-off-by: Rong Zhang Link: https://patch.msgid.link/20251105182832.104946-2-i@rong.moe Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen

platform/x86: x86-android-tablets: convert Yoga Tab2 fast charger to GPIO references

2025-09-26T11:26:25Z

Now that gpiolib supports software nodes to describe GPIOs, switch the driver away from using GPIO lookup tables for the fast charger device to using PROPERTY_ENTRY_GPIO(). Signed-off-by: Dmitry Torokhov Tested-by: Hans de Goede Reviewed-by: Hans de Goede Reviewed-by: Andy Shevchenko Signed-off-by: Hans de Goede Link: https://patch.msgid.link/20250920200713.20193-10-hansg@kernel.org Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen