linux-kernel - Re: USB-C adapter like Dell DA300 using

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Message-ID: <CAOiXhaKr9jctG0qUg3zqitUo7ZCTq9CB6Huc1NO5B2ArjCGjBQ@mail.gmail.com>
Date: Thu, 22 Aug 2024 13:47:31 +0530
From: Rajaram R <rajaram.officemail@...il.com>
To: Paul Menzel <pmenzel@...gen.mpg.de>
Cc: Greg KH <gregkh@...uxfoundation.org>, linux-usb@...r.kernel.org, 
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Mathias Nyman <mathias.nyman@...el.com>
Subject: Re: USB-C adapter like Dell DA300 using > 5 W

On Thu, Aug 22, 2024 at 12:36 PM Paul Menzel <pmenzel@...gen.mpg.de> wrote:
>
> Dear Greg,
>
>
> Thank you for your quick response.
>
> Am 22.08.24 um 01:31 schrieb Greg KH:
> > On Wed, Aug 21, 2024 at 11:32:04PM +0200, Paul Menzel wrote:
>
> >> On the Intel Kaby Lake laptop Dell XPS 13 9360 with Debian sid/unstable and
> >> *powertop* 2.15-3, connecting a USB-C adapter like Dell DA300 or LMP USB-C
> >> The heat of the USB-C adapter might suggest, that it draws that much power.
> >> What is your experience? Can you suggest something?
> >
> > Buy a different adapter?  That seems like something is really wrong with
> > it.  Does other devices also suck that much power from that port on the
> > laptop?
>
> It happens with two Dell DA300 adapters and two LMP USB-C mini Dock (P/N
> 15954, 12-22 Rev. 3):

 Is this behaviour only when the ethernet is active ? Could you please
share the behaviour with no ethernet connection ?