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platform/x86: ideapad-laptop: Add fn-lock setting

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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>
This commit is contained in:
Oleg Keri
2018-05-13 19:05:07 +03:00
committed by Andy Shevchenko
parent 7caf0c1efd
commit 40760717f9
2 changed files with 62 additions and 3 deletions
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13
Documentation/ABI/testing/sysfs-platform-ideapad-laptop
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@@ -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