Re: [PATCH v1] media: ov13858: Fix 4224x3136 video flickering at some vblanks

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Hi Chiranjeevi,

On Thu, Sep 14, 2017 at 7:38 AM, Chiranjeevi Rapolu
<chiranjeevi.rapolu@xxxxxxxxx> wrote:
> Previously, the sensor was outputting blank every other frame at 4224x3136
> video when vblank was in the range [79, 86]. This resulted in video
> flickering.
>
> Omni Vision recommends us to use their settings for crop start/end for
> 4224x3136.

The change of register values itself doesn't give any information
about what is changed. Could you explain the following:
- What is the "crop" in this case?
- What value was it set to before and why was it wrong?
- What is the new value and why is it good?

Best regards,
Tomasz



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