Re: [PATCH] media: imx219: fix test pattern ordering and add patterns

[Jai Luthra]

Hi Tharit,

Quoting Tharit Tangkijwanichakul (2026-06-26 18:08:20)
> Hi Jai,
> 
> Thanks for the review
> 
> > Do you have a strong reason to switch this to the datasheet values?
> 
> I must say there is no strong reason. I'm totally new here and come from
> the perspective of someone studying how to write a camera sensor driver.
> The datasheet says that writing 0x1 to reg 0x0601 will set the mode to solid
> color test pattern. So it is "natural" to expect that I should set
> test_pattern=1 to do so via v4l2-ctl.
> 
> > I ask because this might break what userspace applications expect
> > (libcamera) and also automated capture tests (that compare md5sums of the
> > test pattern) in vendor board-farms.
> 
> This was totally oblivious to me when I made the change.
> I agree with you on this point. Breaking userspace does not sound like
> a good idea.
> 
> I'm open to making a v3 patch and only introduce new test patterns to
> the driver.
> 

Yes please do so.

Thanks,
    Jai

> Best,
> Tharit