tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel / Documentation / ABI / testing / sysfs-class-led-trigger-usbport
at v4.9-rc2 12 lines 467 B view raw
1What: /sys/class/leds/<led>/ports/<port> 2Date: September 2016 3KernelVersion: 4.9 4Contact: linux-leds@vger.kernel.org 5 linux-usb@vger.kernel.org 6Description: 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.