| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | What: /sys/class/leds/<led>/ports/<port> |
| 2 | Date: September 2016 |
| 3 | KernelVersion: 4.9 |
| 4 | Contact: linux-leds@vger.kernel.org |
| 5 | linux-usb@vger.kernel.org |
| 6 | Description: |
| 7 | Every dir entry represents a single USB port that can be |
| 8 | selected for the USB port trigger. Selecting ports makes trigger |
| 9 | observing them for any connected devices and lighting on LED if |
| 10 | there are any. |
| 11 | Echoing "1" value selects USB port. Echoing "0" unselects it. |
| 12 | Current state can be also read. |