Uhubctl – control USB power per-port on smart USB hubs

Summary

uhubctl is utility to control USB power per-port on smart USB hubs. Smart hub is defined as one that implements per-port power switching. Original idea for this code was inspired by hub-ctrl.c by Niibe Yutaka: https://www.gniibe.org/development/ac-power-control-by-USB-hub Note that not many USB hubs correctly support per-port power switching. Some of them are no longer manufactured and can be hard to find. This is list of known compatible USB hubs: Manufacturer Product Ports USB VID:PID Release EOL Acer BE270U monitor (see) 4 3.0 2109:2811 2016 AmazonBasics HU3641V1 (RPi issue) 4 3.0 2109:2811 2013 AmazonBasics HU3770V1 (RPi issue) 7 3.0 2109:2811 2013 AmazonBasics HU9003V1EBL, HUC9003V1EBL 7 3.1 2109:2817 2018 AmazonBasics HU9002V1SBL, HU9002V1EBL, HU9002V1ESL, HHU9002V1EZPR01 (note) 10 3.1 2109:2817 2018 AmazonBasics HUC9002V1SBL, HUC9002V1EBL, HUC9002V1ESL 10 3.1 2109:2817 2018 AmazonBasics U3-7HUB (only works for 1 charge port) 7 3.0 2109:2813 2020 Anker AK-68ANHUB-BV7A-0004 (note) 7 3.0 2109:0812 2014 Apple Mac Mini M4 (2 front ports only) 2 3.2 05AC:800B 2024 Apple MacBook Air (Late 2010) 2 2.0 1D6B:0002 2010 2020 Apple Pro Display XDR MWPE2LL/A (internal USB hub) 4 2.0 05AC:9139 2019 Apple Thunderbolt Display 27" (internal USB hub) 6 2.0 2011 2016 Apple USB Keyboard With Numeric Pad (internal USB hub) 3 2.0 2011 Asus Z77 Sabertooth Motherboard (onboard USB hub) 6 2.0 2012 Asus Z87-PLUS Motherboard (onboard USB hub) 4 3.0 2013 2016 Aukey CB-C59 4 3.0 2109:2813 2017 B+B SmartWorx UHR204 4 2.0 0856:DB00 2013 B+B SmartWorx USH304 4 3.0 04B4:6506 2017 2019 Basler 2000036234 4 3.0 0451:8046 2016 Belkin F5U101 4 2.0 0451:2046 2005 2010 Belkin F5U238UKCRL-MOB 4 2.0 0409:0059 2004 2010 BenQ PD2700U 4K Monitor (works only in USB2 mode) 4 3.0 05E3:0610 2018 BenQ PD3220U 4 3.1 05E3:0610 2019 Bytecc BT-UH340 (warning) 4 3.0 2109:8110 2010 Centech CT-USB4HUB ReTRY HUB (note) 4 3.0 0424:2744 2017 Circuitco Beagleboard-xM (internal USB hub) 4 2.0 0424:9514 2010 Club3D CSV-32...