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On Sunday, 22 September 2019 18:06:50 BST Dom Rodriguez wrote: |
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> ... Of course, it _would_ help, if I had provided the link to the hub |
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> itself! |
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> |
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> https://www.amazon.co.uk/gp/product/B07919ZNB4 |
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> |
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> :) |
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> |
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> On this date - Sun, Sep 22, 2019 at 06:01:42PM +0100, Dom Rodriguez wrote: |
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> > Hello, |
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> > |
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> > I've got an Lenovo Thinkpad X270 laptop, with USB-C support. I ordered an |
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> > Lenovo USB-C hub from Amazon the other day, and it arrived today. It [the |
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> > hub] is recognised by the kernel for USB, but not for power delivery |
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> > (PD), via ACPI. |
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> > |
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> > Oddly enough, when I plug the USB-C cable from the mains adapter directly |
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> > to the USB-C port, ACPI recognises it fine - so I've narrowed it down to |
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> > a driver issue. |
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I assume you have enabled the USB-C drivers in the kernel and also PCI |
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hotplug? |
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|
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https://wiki.gentoo.org/wiki/USB/Guide#USB_Type-C_and_Thunderbolt |
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> > I've tried using the hub on my Thinkpad 13" on both Windows and Linux |
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> > (Arch, specifically; Gentoo isn't on there at the moment.), and its |
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> > recognised fine. Therefore I do not believe the hub *itself* is faulty. |
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> > |
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> > In terms of diagnostic information, I'm not sure where to start, so if |
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> > anyone needs certain information to help with the issue, please let me |
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> > know, and I'll do my best to email it. |
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> > |
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> > I'm running gentoo-sources-5.3.1 for the kernel. |
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> > |
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> > Any ideas? Thanks :-) |
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I don't have such a device to advise on the specifics, but look at dmesg, |
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lspci -knn, lsusb to see if the device is recognised, or if any errors on |
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missing components are reported. |
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-- |
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Regards, |
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Mick |
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