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| author | Oleg Keri <ezhi99@gmail.com> | 2018-05-13 19:05:07 +0300 |
|---|---|---|
| committer | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2018-05-22 12:24:12 +0300 |
| commit | 40760717f9cf548e9247f2f94784e72469b175fd (patch) | |
| tree | f8d7339cd13c849e6333a7a3a157cab3f7d0b812 /Documentation/ABI | |
| parent | 7caf0c1efd62a755441faa03daa7dd88f0c2150d (diff) | |
| download | linux-40760717f9cf548e9247f2f94784e72469b175fd.tar.gz linux-40760717f9cf548e9247f2f94784e72469b175fd.tar.bz2 linux-40760717f9cf548e9247f2f94784e72469b175fd.zip | |
platform/x86: ideapad-laptop: Add fn-lock setting
Some of latest Lenovo ideapad laptops do not have UEFI/BIOS setting for
switching fn-lock mode. This commit adds related acpi calls to ideapad
platform driver. However setting is available via sysfs.
Signed-off-by: Oleg Keri <ezhi99@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-platform-ideapad-laptop | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-platform-ideapad-laptop b/Documentation/ABI/testing/sysfs-platform-ideapad-laptop index 597a2f3d1efc..1b31be3f996a 100644 --- a/Documentation/ABI/testing/sysfs-platform-ideapad-laptop +++ b/Documentation/ABI/testing/sysfs-platform-ideapad-laptop @@ -25,3 +25,16 @@ Description: Control touchpad mode. * 1 -> Switched On * 0 -> Switched Off + +What: /sys/bus/pci/devices/<bdf>/<device>/VPC2004:00/fn_lock +Date: May 2018 +KernelVersion: 4.18 +Contact: "Oleg Keri <ezhi99@gmail.com>" +Description: + Control fn-lock mode. + * 1 -> Switched On + * 0 -> Switched Off + + For example: + # echo "0" > \ + /sys/bus/pci/devices/0000:00:1f.0/PNP0C09:00/VPC2004:00/fn_lock |