From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from hermes.mlbassoc.com ([64.234.241.98]:56816 "EHLO mail.chez-thomas.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752143Ab1KGLIT (ORCPT ); Mon, 7 Nov 2011 06:08:19 -0500 Message-ID: <4EB7BC1F.50902@mlbassoc.com> Date: Mon, 07 Nov 2011 04:08:15 -0700 From: Gary Thomas MIME-Version: 1.0 To: whittenburg@gmail.com CC: Laurent Pinchart , linux-media@vger.kernel.org Subject: Re: media0 not showing up on beagleboard-xm References: <201111041249.24661.laurent.pinchart@ideasonboard.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: On 2011-11-06 15:26, Chris Whittenburg wrote: > Hi Laurent, > > On Fri, Nov 4, 2011 at 6:49 AM, Laurent Pinchart > wrote: >> Hi Chris, >> >> On Tuesday 25 October 2011 04:48:13 Chris Whittenburg wrote: >>> I'm using oe-core to build the 3.0.7+ kernel, which runs fine on my >>> beagleboard-xm. >> >> You will need board code to register the OMAP3 ISP platform device that will >> then be picked by the OMAP3 ISP driver. Example of such board code can be >> found at >> >> http://git.linuxtv.org/pinchartl/media.git/commit/37f505296ccd3fb055e03b2ab15ccf6ad4befb8d > > I followed your example to add the MT9P031 support, and now I get > /dev/media0 and /dev/video0 to 7. > > I don't have the actual sensor hooked up yet. > > If I try "media-ctl -p", I see lots of "Failed to open subdev device > node" msgs. > http://pastebin.com/F1TC9A1n > > This is with the media-ctl utility from: > http://feeds.angstrom-distribution.org/feeds/core/ipk/eglibc/armv7a/base/media-ctl_0.0.1-r0_armv7a.ipk > > I also tried with the latest from your media-ctl repository, but got > the same msgs. > > Is this an issue with my 3.0.8 kernel not being compatible with > current media-ctl utility? Is there some older commit that I should > build from? Or maybe it is just a side effect of the sensor not being > connected yet. Does your kernel config enable CONFIG_VIDEO_V4L2_SUBDEV_API? -- ------------------------------------------------------------ Gary Thomas | Consulting for the MLB Associates | Embedded world ------------------------------------------------------------