diff options
| author | Mark Pearson <markpearson@lenovo.com> | 2021-05-30 18:31:11 -0400 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2021-06-16 17:47:52 +0200 |
| commit | a40cd7ef22fbb11229cf982920f4ec96c1f49282 (patch) | |
| tree | 6bd3129edf31dae7981922d8ebc1dc29224e3246 /Documentation/ABI | |
| parent | 8a1c379c5a03281295c436faf21b0e4716e5b8a8 (diff) | |
platform/x86: think-lmi: Add WMI interface support on Lenovo platforms
For Lenovo platforms that support a WMI interface to the BIOS add
support, using the firmware-attributes class, to allow users to access
and modify various BIOS related settings.
Signed-off-by: Mark Pearson <markpearson@lenovo.com>
Link: https://lore.kernel.org/r/20210530223111.25929-3-markpearson@lenovo.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-firmware-attributes | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-firmware-attributes b/Documentation/ABI/testing/sysfs-class-firmware-attributes index 8ea59fea4709..3348bf80a37c 100644 --- a/Documentation/ABI/testing/sysfs-class-firmware-attributes +++ b/Documentation/ABI/testing/sysfs-class-firmware-attributes @@ -197,8 +197,24 @@ Description: Drivers may emit a CHANGE uevent when a password is set or unset userspace may check it again. - On Dell systems, if Admin password is set, then all BIOS attributes + On Dell and Lenovo systems, if Admin password is set, then all BIOS attributes require password validation. + On Lenovo systems if you change the Admin password the new password is not active until + the next boot. + + Lenovo specific class extensions + ------------------------------ + + On Lenovo systems the following additional settings are available: + + lenovo_encoding: + The encoding method that is used. This can be either "ascii" + or "scancode". Default is set to "ascii" + + lenovo_kbdlang: + The keyboard language method that is used. This is generally a + two char code (e.g. "us", "fr", "gr") and may vary per platform. + Default is set to "us" What: /sys/class/firmware-attributes/*/attributes/pending_reboot Date: February 2021 |