Re: Does omap3isp driver inherit controls of attached sensors?

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Hi Javier,

On Thursday 02 June 2011 15:52:57 javier Martin wrote:
> Hi,
> I'm trying to add VFLIP control to the mt9p031 driver (don't worry
> Guennadi, I won't send the patch yet). For that purpose I've followed
> the code in mt9v032 sensor.
> When I try to query available controls using yavta I get the following:
> 
> root@beagleboard:~# ./media-ctl -e "OMAP3 ISP CCDC output"
> /dev/video2
> 
> root@beagleboard:~# ./yavta -l /dev/video2
> Device /dev/video2 opened: OMAP3 ISP CCDC output (media).
> No control found.
> 
> As I have read here [1], drivers using subdevices should inherit their
> controls. Is this the case with omap3isp?

No, the OMAP3 ISP video nodes don't inherit subdev controls. You need to 
access the control directly on the sensor subdev.

> [1]
> http://lxr.linux.no/#linux+v2.6.39/Documentation/video4linux/v4l2-controls
> .txt

-- 
Regards,

Laurent Pinchart
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