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[v3,29/29] Documentation/ABI: sysfs-platform-ideapad-laptop: conservation_mode attribute

Message ID 20210203215403.290792-30-pobrn@protonmail.com (mailing list archive)
State Accepted, archived
Headers show
Series platform/x86: ideapad-laptop: cleanup, keyboard backlight and "always on USB charging" control support, reenable touchpad control | expand

Commit Message

Barnabás Pőcze Feb. 3, 2021, 9:57 p.m. UTC 
Document the conservation_mode attributes provided by the ideapad-laptop module.

Fixes: ade50296186a ("platform/x86: ideapad-laptop: Expose conservation mode switch")
Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
diff mbox series

Patch

diff --git a/Documentation/ABI/testing/sysfs-platform-ideapad-laptop b/Documentation/ABI/testing/sysfs-platform-ideapad-laptop
index 5ec0dee9e707..4989ab266682 100644
--- a/Documentation/ABI/testing/sysfs-platform-ideapad-laptop
+++ b/Documentation/ABI/testing/sysfs-platform-ideapad-laptop
@@ -27,6 +27,15 @@  Description:
 			* 1 -> Switched On
 			* 0 -> Switched Off
 
+What:		/sys/bus/platform/devices/VPC2004:*/conservation_mode
+Date:		Aug 2017
+KernelVersion:	4.14
+Contact:	platform-driver-x86@vger.kernel.org
+Description:
+		Controls whether the conservation mode is enabled or not.
+		This feature limits the maximum battery charge percentage to
+		around 50-60% in order to prolong the lifetime of the battery.
+
 What:		/sys/bus/platform/devices/VPC2004:*/fn_lock
 Date:		May 2018
 KernelVersion:	4.18