Does omap3isp driver inherit controls of attached sensors?

2011-06-02 Thread javier Martin
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?

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

-- 
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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Re: Does omap3isp driver inherit controls of attached sensors?

2011-06-02 Thread Laurent Pinchart
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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