From mboxrd@z Thu Jan 1 00:00:00 1970 From: "George G. Davis" Subject: Re: osk5912 webcam: surprising Date: Fri, 25 May 2007 10:21:28 -0400 Message-ID: <20070525142128.GG3519@mvista.com> References: <311188.55599.qm@web51404.mail.re2.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <311188.55599.qm@web51404.mail.re2.yahoo.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-omap-open-source-bounces+gplao-linux-omap-open-source=gmane.org@linux.omap.com Errors-To: linux-omap-open-source-bounces+gplao-linux-omap-open-source=gmane.org@linux.omap.com To: karthik Cc: linux-omap-open-source@linux.omap.com List-Id: linux-omap@vger.kernel.org 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_/_ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~