Hi,
On Sat, Oct 06, 2012 at 02:47:44PM +0100, P Jackson wrote:
> I'm trying to get an mt9t001 sensor board working on a Gumstix Overo board using the latest omap3isp-omap3isp-stable branch from the linuxtv.org/media.git repository.
>
> When I 'modprobe omap-isp' I see:
>
> Linux media interface: v0.10
> Linux video capture interface: v2.00
> omap3isp omap3isp: Revision 15.0 found
> omap-iommu omap-iommu.0: isp: version 1.1
> mt9t001 3-005d: Probing MT9T001 at address 0x5d
> mt9t001 3-005d: MT9T001 detected at address 0x5d
>
> I then do:
>
> media-ctl -r
> media-ctl -l '"mt9t001 3-005d":0->"OMAP3 ISP CCDC":0[1]'
> media-ctl -l '"OMAP3 ISP CCDC":1->"OMAP3 ISP CCDC output":0[1]'
> media-ctl -V '"mt9t001 3-005d":0 [SGRBG10 2048x1536]'
> media-ctl -V '"OMAP3 ISP CCDC":1 [SGRBG10 2048x1536]'
>
> Followed by:
>
> yavta -p -f SGRBG10 -s 2048x1536 -n 4 --capture=1 /dev/video2 file=m.bin
>
>
> For which I get:
>
> Device /dev/video2 opened.
> Device `OMAP3 ISP CCDC output' on `media' is a video capture device.
> Video format set: SGRBG10 (30314142) 2048x1536 (stride 4096) buffer size 6291456
> Video format: SGRBG10 (30314142) 2048x1536 (stride 4096) buffer size 6291456
> 4 buffers requested.
> length: 6291456 offset: 0
> Buffer 0 mapped at address 0x40272000.
> length: 6291456 offset: 6291456
> Buffer 1 mapped at address 0x4096b000.
> length: 6291456 offset: 12582912
> Buffer 2 mapped at address 0x4102f000.
> length: 6291456 offset: 18874368
> Buffer 3 mapped at address 0x416ac000.
> Press enter to start capture
>
> After pressing enter I get:
>
> omap3isp omap3isp: no pixel rate control in subdev mt9t001 3-005d
> Unable to start streaming: Invalid argument (22).
Really?
Could you check if you have this patch in your tree?
---
commit 0bc77f3f06fcf2ca7b7fad782d70926cd4d235f1
Author: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Date: Wed May 9 09:55:57 2012 -0300
[media] mt9t001: Implement V4L2_CID_PIXEL_RATE control
The pixel rate control is required by the OMAP3 ISP driver and should be
implemented by all media controller-compatible sensor drivers.
Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
---
Cc Laurent, too.
Regards,
--
Sakari Ailus
e-mail: sakari.ailus@xxxxxx XMPP: sailus@xxxxxxxxxxxxxx
--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
