Re: [PATCH v12 0/2] Initial Allwinner V3s CSI Support

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Hi Yong,

On Tue, Oct 30, 2018 at 04:09:48PM +0800, Yong Deng wrote:
> I can't make v4l2-compliance always happy.
> The V3s CSI support many pixformats. But they are not always available.
> It's dependent on the input bus format (MEDIA_BUS_FMT_*). 
> Example:
> V4L2_PIX_FMT_SBGGR8: MEDIA_BUS_FMT_SBGGR8_1X8
> V4L2_PIX_FMT_YUYV: MEDIA_BUS_FMT_YUYV8_2X8
> But I can't get the subdev's format code before starting stream as the
> subdev may change it. So I can't know which pixformats are available.
> So I exports all the pixformats supported by SoC.
> The result is the app (v4l2-compliance) is likely to fail on streamon.
> 
> This patchset add initial support for Allwinner V3s CSI.
> 
> Allwinner V3s SoC features a CSI module with parallel interface.
> 
> This patchset implement a v4l2 framework driver and add a binding 
> documentation for it. 

I've tested this version today, and I needed this patch to make it
work on top of v4.20:
http://code.bulix.org/9o8fw5-503690?raw

Once that patch applied, my tests were working as expected.

If that make sense, could you resubmit a new version with these merged
so that we can try to target 4.21?

Thanks!
Maxime

-- 
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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