Gentoo Archives: gentoo-user

From: Dom Rodriguez <shymega@×××××××××××.uk>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] USB-C PD delivery & Lenovo USB-C hub.
Date: Fri, 27 Sep 2019 17:49:01
Message-Id: 20190927174302.oemd5tw56c4hhkmf@cyberdemon
In Reply to: Re: [gentoo-user] USB-C PD delivery & Lenovo USB-C hub. by Alexey Mishustin
1 On this date - Thu, Sep 26, 2019 at 11:51:49PM +0300, Alexey Mishustin wrote:
2 > чт, 26 сент. 2019 г. в 23:39, Dom Rodriguez <shymega@×××××××××××.uk>:
3 > >
4 > > OK, after much deliberation, I've determined the issue! I'm banging my head on
5 > > the wall here after realising the cause.
6 > >
7 > > I was using an Anker power adaptor, which supplies 60W in *total* to both ports
8 > > on it - a USB-C port, and a USB-A port. The USB-A port consumes 15W, and the
9 > > USB-C port is left with 45W.
10 > >
11 > > The USB-C hub - for example, the one I've got now consumes 18W from the 45W
12 > > supplied - which leaves the laptop with 27W. My Thinkpad has a minimum required
13 > > USB-C PD wattage of 45W - so that's why it wasn't working!
14 > >
15 > > Thanks to all who helped with this problem.
16 >
17 > Hello Dom,
18 >
19 > Thanks to you for the information!
20
21 No worries.
22
23 >
24 > Do not bang your head too much ) This result is a good result, could
25 > be useful to others.
26
27 I'l try not to! The charger and hub arrived today, working no problems.
28
29 --
30 Sincerely,
31 Dom Rodriguez (shymega).