From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from perceval.ideasonboard.com ([95.142.166.194]:53599 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759443Ab3DYWz4 (ORCPT ); Thu, 25 Apr 2013 18:55:56 -0400 From: Laurent Pinchart To: Pierre ANTOINE Cc: linux-media@vger.kernel.org Subject: Re: uvcvideo: Trying to lower the URB buffers on eMPIA minicam Date: Fri, 26 Apr 2013 00:55:56 +0200 Message-ID: <2280626.yDrB0LeJ3D@avalon> In-Reply-To: <1366917228.5179806c5f343@imp.free.fr> References: <1366843673.51786119b3ced@imp.free.fr> <2682572.gZg9L6lqOg@avalon> <1366917228.5179806c5f343@imp.free.fr> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-media-owner@vger.kernel.org List-ID: Hi Pierre, On Thursday 25 April 2013 21:13:48 Pierre ANTOINE wrote: > Selon Laurent Pinchart : > > Just for my records, could you please repost the 'lsusb -v -d eb1a:299f' > > output running as root ? The string descriptors are not displayed > > otherwise. > > Hi Laurent, > > Please find the requested informations as root. Thank you. I'll update the supported devices list on the uvcvideo website. Could you please give me the exact model name of the camera ? > Where do you think I can try to hack the bandwidth size ? > > Something like: source/drivers/usb/core/config.c usb_parse_endpoint() ? Yes, that looks good. Just make sure you only hack the endpoint bandwidth for the webcam and not for the other USB devices. -- Regards, Laurent Pinchart