diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-class-led-trigger-usbport')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-led-trigger-usbport | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-led-trigger-usbport b/Documentation/ABI/testing/sysfs-class-led-trigger-usbport new file mode 100644 index 0000000000..eb81152b83 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-led-trigger-usbport @@ -0,0 +1,13 @@ +What: /sys/class/leds/<led>/ports/<port> +Date: September 2016 +KernelVersion: 4.9 +Contact: linux-leds@vger.kernel.org + linux-usb@vger.kernel.org +Description: + Every dir entry represents a single USB port that can be + selected for the USB port trigger. Selecting ports makes trigger + observing them for any connected devices and lighting on LED if + there are any. + + Echoing "1" value selects USB port. Echoing "0" unselects it. + Current state can be also read. |