[Sugar-devel] [TRANSIENT ISSUE] 3G-Modem not being recognised

Alan Jhonn Aguiar Schwyn alanjas at hotmail.com
Wed Nov 21 03:07:39 EST 2012

> is there a way to block suspend when a class of USB device is plugged?
This will be very important.. Disable the "automatic power-save" (AKA power off usb..)if one device is using the usb comunication. This can be made?What happens if you want to copy a large file to a pendrive? The system power-offthe usb ever?

> From: martin.langhoff at gmail.com
> Date: Wed, 21 Nov 2012 02:53:47 -0500
> To: quozl at laptop.org; jerry at laptop.org.au; martin.langhoff at gmail.com; ajay at activitycentral.com; Devel at lists.laptop.org; sugar-devel at lists.sugarlabs.org
> Subject: Re: [Sugar-devel] [TRANSIENT ISSUE] 3G-Modem not being recognised
> On Wed, Nov 21, 2012 at 2:40 AM, James Cameron <quozl at laptop.org> wrote:
> >> I don't think having an end-user with no experience with USB IDs add
> >> an entry to the usb-inhibits file, or having to remember to turn off
> >> a major feature is the correct long term solution IMHO.
> You guys are driving OOB, so you short-term you can tweak usb-inhibits
> with the 3G modems you have. And you've hacked powerd and other bits
> of infra in the past, if there's a better way (ie: is there a way to
> block suspend when a class of USB device is plugged? or perhaps an NM
> hook could set the inhibit-suspend flag?) you are uniquely well
> positioned to know, try likely approaches, etc...
> cheers,
> m
> --
>  martin.langhoff at gmail.com
>  martin at laptop.org -- Software Architect - OLPC
>  - ask interesting questions
>  - don't get distracted with shiny stuff  - working code first
>  - http://wiki.laptop.org/go/User:Martinlanghoff
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