[PATCH] Documentation: dell-laptop: correct als_setting description
From: Gabriele Mazzotta <hidden>
Date: 2015-01-02 11:07:48
Also in:
lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
It was incorrectly stated that als_setting is to enable and disable the ambient light sensor on supported system rather than setting a threshold value. Correct the description and add a note to make more clear what could be the effect of changing als_setting. Reported-by: Brian Norris <redacted> Signed-off-by: Gabriele Mazzotta <redacted> --- Documentation/ABI/testing/sysfs-platform-dell-laptop | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/Documentation/ABI/testing/sysfs-platform-dell-laptop b/Documentation/ABI/testing/sysfs-platform-dell-laptop
index 7969443..a40c217 100644
--- a/Documentation/ABI/testing/sysfs-platform-dell-laptop
+++ b/Documentation/ABI/testing/sysfs-platform-dell-laptop@@ -4,10 +4,12 @@ KernelVersion: 3.19 Contact: Gabriele Mazzotta <gabriele.mzt-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Pali Rohár <pali.rohar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Description: - This file allows to control the automatic keyboard - illumination mode on some systems that have an ambient - light sensor. Write 1 to this file to enable the auto - mode, 0 to disable it. + This file allows to set at which value reported by the + ambient light sensor the keyboard backlight has to be + turned on or off. + + Note that the 'als' trigger must be supported and enabled + for this setting to have any effect. What: /sys/class/leds/dell::kbd_backlight/start_triggers Date: December 2014
@@ -32,6 +34,13 @@ Description: Note that not all the available triggers can be configured. + Note also that enabling the 'als' trigger could simply + alter the behavior of the other triggers and not allow + the ambient light sensor control the keyboard illumination + independently. It could prevent other triggers from turning + the keyboard backlight on or force them to turn it off + depending on the current ambient light and als_setting. + What: /sys/class/leds/dell::kbd_backlight/stop_timeout Date: December 2014 KernelVersion: 3.19
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2.1.4