Re: media0 not showing up on beagleboard-xm

[Gary Thomas <gary@mlbassoc.com>]

On 2011-11-06 15:26, Chris Whittenburg wrote:
> Hi Laurent,
>
> On Fri, Nov 4, 2011 at 6:49 AM, Laurent Pinchart
> <laurent.pinchart@ideasonboard.com>  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?

-- 
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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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