summaryrefslogtreecommitdiffstats
path: root/Documentation/ABI/testing/sysfs-class-led-driver-turris-omnia
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/ABI/testing/sysfs-class-led-driver-turris-omnia')
-rw-r--r--Documentation/ABI/testing/sysfs-class-led-driver-turris-omnia14
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-led-driver-turris-omnia b/Documentation/ABI/testing/sysfs-class-led-driver-turris-omnia
index c4d46970c1..369b4ae8be 100644
--- a/Documentation/ABI/testing/sysfs-class-led-driver-turris-omnia
+++ b/Documentation/ABI/testing/sysfs-class-led-driver-turris-omnia
@@ -12,3 +12,17 @@ Description: (RW) On the front panel of the Turris Omnia router there is also
able to change this setting from software.
Format: %i
+
+What: /sys/class/leds/<led>/device/gamma_correction
+Date: August 2023
+KernelVersion: 6.6
+Contact: Marek BehĂșn <kabel@kernel.org>
+Description: (RW) Newer versions of the microcontroller firmware of the
+ Turris Omnia router support gamma correction for the RGB LEDs.
+ This feature can be enabled/disabled by writing to this file.
+
+ If the feature is not supported because the MCU firmware is too
+ old, the file always reads as 0, and writing to the file results
+ in the EOPNOTSUPP error.
+
+ Format: %i