From: "George G. Davis" <gdavis@mvista.com>
To: karthik <skarthikeyan_17@yahoo.com>
Cc: linux-omap-open-source@linux.omap.com
Subject: Re: osk5912 webcam: surprising
Date: Fri, 25 May 2007 10:21:28 -0400 [thread overview]
Message-ID: <20070525142128.GG3519@mvista.com> (raw)
In-Reply-To: <311188.55599.qm@web51404.mail.re2.yahoo.com>
On Fri, May 25, 2007 at 01:55:19AM -0700, karthik wrote:
> Hi
> I had earlier mailed to this group about being not able to interface a webcam via the USB interface (power budget exceeded). recently i got hold of a hub with an external power adapter.
>
> Now here is the funny thing
>
> I connect the camera straight to the kit, it does NOT work (it says powerbudget exceeded).
>
> But if I connect it via the hub WITHOUT the hub's external power adapterm, it works (it gets registered at minor 0). I am able to record videos.
>
> i have another hub, but shows the same power budget problem with that.
> Any explanation?? just curious (and frustrated).
Perhaps the working non-externally powered hub lied and said that it is
self powered, i.e. it does not comply with USB specs?
--
Regards,
George
_____ __o George G. Davis - Software Engineer (o>
------- -\<, MontaVista Sofware - Platform to Innovate //\
------ ( )/ ( ) www.mvista.com V_/_
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
prev parent reply other threads:[~2007-05-25 14:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-25 8:55 osk5912 webcam: surprising karthik
2007-05-25 14:21 ` George G. Davis [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070525142128.GG3519@mvista.com \
--to=gdavis@mvista.com \
--cc=linux-omap-open-source@linux.omap.com \
--cc=skarthikeyan_17@yahoo.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox