What does your board-overo look like?  Did you enable the tvp514x driver as a module or built into the kernel?  I've always been building my tvp driver into the kernel.




On Tue, Feb 19, 2013 at 8:37 PM, <geoff@thebakershome.net> wrote:
Thank-you for the question regarding the TVP514x in the boot logs. Once I
realized that it was not in there I checked my build scripts and found
that the kernel was never being recompiled. I had to create new scripts
and clean up the environment, now it is booting and has a failed init
message regarding the TVP514x in dmesg.

See: http://pastebin.com/bVZtg5HN

Perhaps I am missing something in the board-overo.c

I can post that as well if you think it will help

-Geoff



> Can you pastbin your boot log?  Is there anything in the boot log about
> your tvp514x?
>
> ---------- Forwarded message ----------
> From: <geoff@thebakershome.net>
> Date: Mon, Feb 18, 2013 at 1:57 AM
> Subject: Re: [Gumstix-users] TVP514x, 3.5 Kernel, Yocto
> To: "General mailing list for gumstix users." <
> gumstix-users@lists.sourceforge.net>
>
>
> I also see this message in the dmesg output:
>
> media: exports duplicate symbol media_device_register (owned by kernel)
>
>
>
>
>> I have made the changes and tried to get things working but the
>> media-ctl
>> commang says "media_parse_setup_link: Unable to parse link". Any
>> thoughts?
>>
>>> I have a set of patches for the tvp5151 that I use with a 3.5 kernel
>>> here:
>>>
>>> http://www.sleepyrobot.com/?p=253
>>>
>>> (I also have some of the tvp5151 boards.)
>>>
>>> You need to patch board-overo and the isp driver.
>>>
>>> I also sent a working unit to Laurent Pinchart, in hopes that he would
>>> help
>>> get interlaced bt656 for the omap into the mainline.
>>>
>>> -chris
>>>
>>>
>>>
>>> On Wed, Feb 13, 2013 at 7:24 AM, <geoff@thebakershome.net> wrote:
>>>
>>>> Hello,
>>>>
>>>>   I have been working with the gumstix board for a few months now with
>>>> the
>>>> goal of interfacing with a TVP514x series video input IC.
>>>>
>>>>   The IC is installed onto a board from econsystems:
>>>>
>>>> http://www.e-consystems.com/NTSC-PAL-Video-Decoder-Board-Gumstix.asp
>>>>
>>>>   I am working with yocto and the latest kernel within. I have a build
>>>> working now that has DSP support, TVP514x drivers in the kernel, and
>>>> this all tests well.
>>>>
>>>>   The next step is to enable the TVP514x device over I2C and setup the
>>>> V4L
>>>> interface. From what I have read it appears that media-ctl can
>>>> initialize this interface, so I added this to my recipie. However
>>>> media-ctl does not show the TVP device on its listing and gives errors
>>>> when I try to initialize.
>>>>
>>>>   My next thought is to perform some I2C debugging to ensure that the
>>>> device is talking. I tried this using u-boot but I am not certain of
>>>> what I should read from the IC.
>>>>
>>>>   Last night I started reading the code in board-overo.c and noticed
>>>> that
>>>> it initializes some devices (even over I2C), so I ask, do I need to
>>>> author support in board-overo.c for the TVP514x device, or is there
>>>> something else that I am missing?
>>>>
>>>>   Can anyone help by providing debug commands that I could use to work
>>>> through what is happening and what needs to be done next?
>>>>
>>>> Thank-you very much,
>>>> -Geoff
>>>>
>>>>
>>>>
>>>>
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>>
>>
>>
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