Re: omap3isp: BT.656 support

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Am 18.10.2011 15:33, schrieb Boris Todorov:
> Hi
>
> I'm trying to run OMAP + TVP5151 in BT656 mode.
>
> I'm using omap3isp-omap3isp-yuv (git.linuxtv.org/pinchartl/media.git).
> Plus the following patches:
>
> TVP5151:
> https://github.com/ebutera/meta-igep/tree/testing-v2/recipes-kernel/linux/linux-3.0+3.1rc/tvp5150
>
> The latest RFC patches for BT656 support:
>
> Enrico Butera (2):
>   omap3isp: ispvideo: export isp_video_mbus_to_pix
>   omap3isp: ispccdc: configure CCDC registers and add BT656 support
>
> Javier Martinez Canillas (1):
>   omap3isp: ccdc: Add interlaced field mode to platform data
>
>
> I'm able to configure with media-ctl:
>
> media-ctl -v -r -l '"tvp5150 3-005c":0->"OMAP3 ISP CCDC":0[1], "OMAP3
> ISP CCDC":1->"OMAP3 ISP CCDC output":0[1]'
> media-ctl -v --set-format '"tvp5150 3-005c":0 [UYVY2X8 720x525]'
> media-ctl -v --set-format '"OMAP3 ISP CCDC":0 [UYVY2X8 720x525]'
> media-ctl -v --set-format '"OMAP3 ISP CCDC":1 [UYVY2X8 720x525]'
>
> But
> ./yavta -f UYVY -s 720x525 -n 4 --capture=4 -F /dev/video4
>
> sleeps after
> ...
> Buffer 1 mapped at address 0x4021d000.
> length: 756000 offset: 1515520
> Buffer 2 mapped at address 0x402d6000.
> length: 756000 offset: 2273280
> Buffer 3 mapped at address 0x4038f000.
>
> Anyone with the same issue??? This happens with every other v4l test app I used.
I had the same issue.

Make sure that you disable the xclk when you remove your sensor driver.

isp->platform_cb.set_xclk(isp, 0, ISP_XCLK_A)

Regards,
    Stefan

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