1*0f247626SRafał MiłeckiWhat: /sys/class/leds/<led>/ports/<port> 2*0f247626SRafał MiłeckiDate: September 2016 3*0f247626SRafał MiłeckiKernelVersion: 4.9 4*0f247626SRafał MiłeckiContact: linux-leds@vger.kernel.org 5*0f247626SRafał Miłecki linux-usb@vger.kernel.org 6*0f247626SRafał MiłeckiDescription: 7*0f247626SRafał Miłecki Every dir entry represents a single USB port that can be 8*0f247626SRafał Miłecki selected for the USB port trigger. Selecting ports makes trigger 9*0f247626SRafał Miłecki observing them for any connected devices and lighting on LED if 10*0f247626SRafał Miłecki there are any. 11*0f247626SRafał Miłecki Echoing "1" value selects USB port. Echoing "0" unselects it. 12*0f247626SRafał Miłecki Current state can be also read. 13