Power down USB when suspending

Paul Fox pgf at laptop.org
Mon Oct 4 16:57:37 EDT 2010

=?iso-8859-1?q?mat=edas_poloni?= wrote:
 > We are engineer students from Uruguay and we are working on our grade thesis
 > with a XO-1 olpc laptop. We need to take a photo after resume with a usb
 > webcam as quick as possible. We already know that the usb is powered down
 > when suspending and this leads to excesive delay taking a picture after
 > resume. We can`t find any documentation explaining why it is not possible
 > not to power down the usb. We`ll be very grateful if you help us with
 > information related with this issue because we need it for the documentation
 > of our thesis.

the external USB ports cannot be powered during suspend due to
hardware limitations.  (this is true for both XO-1 and XO-1.5.)


 > Is there any tip to power up the usb sooner when resuming? Or something to
 > have a smaller delay?
 > Thanks!
 > -- 
 > Matías Poloni
 > +598 98867573
 > part 2     text/plain                 129
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 paul fox, pgf at laptop.org

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