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mvp / uhubctl

uhubctl - USB hub per-port power control
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atolla usb3.0 hub cannot power down #500

Closed raghugit-corp closed 1 year ago

raghugit-corp commented 1 year ago

uhubctl detects the hub, but unable to power off the ports.

[rj@desk11 uhubctl-master]$ [rj@desk11 uhubctl-master]$sudo ./uhubctl [sudo] password for rj: Current status for hub 2-8.1 [045b:0210, USB 3.00, 4 ports, ppps] Port 1: 02a0 power 5gbps Rx.Detect Port 2: 02a0 power 5gbps Rx.Detect Port 3: 02a0 power 5gbps Rx.Detect Port 4: 02a0 power 5gbps Rx.Detect Current status for hub 2-8 [045b:0210, USB 3.00, 4 ports, ppps] Port 1: 0263 power 5gbps U3 enable connect [045b:0210, USB 3.00, 4 ports, ppps] Port 2: 02a0 power 5gbps Rx.Detect Port 3: 0203 power 5gbps U0 enable connect [2833:0186 Oculus sorrento dev a4ebaf24] Port 4: 02a0 power 5gbps Rx.Detect Current status for hub 1-11.1 [045b:0209, USB 2.10, 4 ports, ppps] Port 1: 0100 power Port 2: 0503 power highspeed enable connect [0403:6011 FTDI P2NFF_APDEV FT7I37OZ] Port 3: 0100 power Port 4: 0100 power Current status for hub 1-11 [045b:0209, USB 2.10, 4 ports, ppps] Port 1: 0503 power highspeed enable connect [045b:0209, USB 2.10, 4 ports, ppps] Port 2: 0100 power Port 3: 0100 power Port 4: 0100 power [rj@desk11 uhubctl-master]$ [rj@desk11 uhubctl-master]$ sudo ./uhubctl -a off -p 3 -l 2-8 Current status for hub 2-8 [045b:0210, USB 3.00, 4 ports, ppps] Port 3: 0203 power 5gbps U0 enable connect [2833:0186 Oculus sorrento dev a4ebaf24] Sent power off request New status for hub 2-8 [045b:0210, USB 3.00, 4 ports, ppps] Port 3: 00a0 off Current status for hub 1-11 [045b:0209, USB 2.10, 4 ports, ppps] Port 3: 0100 power Sent power off request New status for hub 1-11 [045b:0209, USB 2.10, 4 ports, ppps] Port 3: 0000 off

=== device is still detected after off ==== [rj@desk11 uhubctl-master]$ adb devices List of devices attached 12356ebefxx device

[rj@desk11 uhubctl-master]$ [rj@desk11 uhubctl-master]$ sudo ./uhubctl -a on -p 3 -l 2-8 Current status for hub 2-8 [045b:0210, USB 3.00, 4 ports, ppps] Port 3: 00a0 off Sent power on request New status for hub 2-8 [045b:0210, USB 3.00, 4 ports, ppps] Port 3: 02a0 power 5gbps Rx.Detect Current status for hub 1-11 [045b:0209, USB 2.10, 4 ports, ppps] Port 3: 0000 off Sent power on request New status for hub 1-11 [045b:0209, USB 2.10, 4 ports, ppps] Port 3: 0100 power

[rj@desk11 uhubctl-master]$ adb devices List of devices attached 12356ebefxx device

[rj@desk11 uhubctl-master]$

Below is lsusb -v

Hub Descriptor: bLength 12 bDescriptorType 42 nNbrPorts 4 wHubCharacteristic 0x0009 Per-port power switching Per-port overcurrent protection bPwrOn2PwrGood 50 * 2 milli seconds bHubContrCurrent 200 milli Ampere bHubDecLat 0.1 micro seconds wHubDelay 705 nano seconds DeviceRemovable 0x00 Hub Port Status: Port 1: 0000.0203 5Gbps power U0 enable connect Port 2: 0000.02a0 5Gbps power Rx.Detect Port 3: 0000.02a0 5Gbps power Rx.Detect Port 4: 0000.02a0 5Gbps power Rx.Detect

mvp commented 1 year ago

It simply means that your hub does not really support cutting power at hardware level.

Hubs listed in supported table all should work. Any other hubs may work, but there is no guarantee - hub manufacturers like to save few cents of installing few transistors.