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I have a Nuvision Solo 10 Draw tablet that is x86_64 and originally ran Windows. I'm the same guy trying to help others out with the following WIKI page https://wiki.archlinux.org/index.php/Nu … lo_10_Draw
I have most of what I want working but I've hit a snag and I'm not sure how to debug for it or fix it.
The OTG (On-the-go) feature that allows you to plug in a USB device using a special micro-b cable doesn't work all of the time. If I boot this tablet without the OTG adapter attached then OTG will continue not to work even if I plug one in later. However if I attach a OTG cable then turn on the tablet and boot into Arch Linux the OTG feature works. I can even unplug and reattach later as much as I want.
It would seem that OTG is ignored for some reason if it doesn't see a cable at first boot.
Can someone please help me out here? I would like to not have to remember to plug in the OTG cable each time I want to boot my tablet just to ensure I can attach USB devices later.
Last edited by Raansu (2019-07-24 06:51:39)
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Ok this has been solved. I needed to manually switch over the device to host mode.
echo host > /sys/class/usb_role/intel_xhci_usb_sw-role-switch/role
I found some info online from https://github.com/intel/iotg-yocto-bsp-public/issues/8 although the device mentioned there is not the same it seems to use the same controller. I have also update the wiki page on the Nuvision Solo 10 Draw about it.
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