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Signed-off-by: Daniel Hodges --- Documentation/leds/index.rst | 1 + Documentation/leds/ledtrig-bpf.rst | 13 +++++++++++++ 2 files changed, 14 insertions(+) create mode 100644 Documentation/leds/ledtrig-bpf.rst diff --git a/Documentation/leds/index.rst b/Documentation/leds/index.rst index 3ade16c18328..2af52a19d6bb 100644 --- a/Documentation/leds/index.rst +++ b/Documentation/leds/index.rst @@ -10,6 +10,7 @@ LEDs leds-class leds-class-flash leds-class-multicolor + ledtrig-bpf ledtrig-oneshot ledtrig-transient ledtrig-usbport diff --git a/Documentation/leds/ledtrig-bpf.rst b/Documentation/leds/ledtrig-bpf.rst new file mode 100644 index 000000000000..391a305f69d1 --- /dev/null +++ b/Documentation/leds/ledtrig-bpf.rst @@ -0,0 +1,13 @@ +==================== +BPF LED Trigger +==================== + +This LED trigger is useful for triggering LEDs from the BPF subsystem. This +trigger is designed to be used in combination with a BPF program that interacts +with the trigger via a kfunc. The exported kfuncs will have BTF names that +start with "bpf_ledtrig_". + +The trigger can be activated from user space on led class devices as shown +below:: + + echo bpf > trigger