Re: mt9t111 sensor on Beagleboard xM

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On 8 April 2011 17:07, Laurent Pinchart
<laurent.pinchart@xxxxxxxxxxxxxxxx> wrote:
> Hi Javier,
>
> On Friday 08 April 2011 17:02:48 javier Martin wrote:
>> Hi,
>> I've just received a LI-LBCM3M1 camera module from Leopard Imaging and
>> I want to test it with my Beagleboard xM. This module has a mt9t111
>> sensor.
>>
>> At first glance, this driver
>> (http://lxr.linux.no/#linux+v2.6.38/drivers/media/video/mt9t112.c)
>> supports mt9t111 sensor and uses both soc-camera and v4l2-subdev
>> frameworks.
>> I am trying to somehow connect this sensor with the omap3isp driver
>> recently merged (I'm working with latest mainline kernel), however, I
>> found an issue when trying to pass "mt9t112_camera_info" data to the
>> sensor driver in my board specific file.
>>
>> It seems that this data is passed through soc-camera but omap3isp
>> doesn't use soc-camera. Do you know what kind of changes are required
>> to adapt this driver so that it can be used with omap3isp?
>
> The OMAP3 ISP driver isn't compatible with the soc-camera framework, as you
> correctly noticed. You will need to port the MT9T111 driver to pad-level
> subdev operations.
>
> You can find a sensor driver (MT9V032) implementing pad-level subdev
> operations at
> http://git.linuxtv.org/pinchartl/media.git?a=commit;h=940b87a5cb7ea3f3cff16454e9085e33ab340064
>
> --
> Regards,
>
> Laurent Pinchart
>

Hi Laurent,
thank you for your quick answer.

Does the fact of adding pad-level subdev operations for the sensor
break  old way of doing things?
I mean, if I port MT9T111 driver to pad-level subdev operations would
it be accepted for mainline or would it be rejected since it breaks
something older?

Thank you,

-- 
Javier Martin
Vista Silicon S.L.
CDTUC - FASE C - Oficina S-345
Avda de los Castros s/n
39005- Santander. Cantabria. Spain
+34 942 25 32 60
www.vista-silicon.com
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