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| author |   Marek Behún <marek.behun@nic.cz> | 2020-07-23 14:53:20 +0200 |
|---|---|---|
| committer |   Pavel Machek <pavel@ucw.cz> | 2020-07-24 12:58:55 +0200 |
| commit | 45c2818f78d31d7f6732ad07baa7902f33c269d3 (patch) | |
| tree | 30dad4af82bbdb625916e8bee53fc0bcce1d51d9 /Documentation/ABI | |
| parent | leds: initial support for Turris Omnia LEDs (diff) | |
| download | linux-dev-45c2818f78d31d7f6732ad07baa7902f33c269d3.tar.xz linux-dev-45c2818f78d31d7f6732ad07baa7902f33c269d3.zip | |
Documentation: ABI: leds-turris-omnia: document sysfs attribute
Document the global brightness attribute for the Turris Omnia LED
controller.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-led-driver-turris-omnia | 14 |
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 new file mode 100644 index 000000000000..795a5de12fc1 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-led-driver-turris-omnia @@ -0,0 +1,14 @@ +What: /sys/class/leds/<led>/device/brightness +Date: July 2020 +KernelVersion: 5.9 +Contact: Marek Behún <marek.behun@nic.cz> +Description: (RW) On the front panel of the Turris Omnia router there is also + a button which can be used to control the intensity of all the + LEDs at once, so that if they are too bright, user can dim them. + + The microcontroller cycles between 8 levels of this global + brightness (from 100% to 0%), but this setting can have any + integer value between 0 and 100. It is therefore convenient to be + able to change this setting from software. + + Format: %i |