Re: hooking Sony 47MPixel sensor to NXP imx8m-mini MIPI CSI2

[Laurent Pinchart <laurent.pinchart@ideasonboard.com>]

Hi Petko,

On Wed, Jun 29, 2022 at 10:55:43AM +0300, Petko Manolov wrote:
> 	Hi guys,
> 
> First, i'd like to apologize for the noise and sending this email directly.

Your support request is directed to the linux-media mailing list, CC'ing
appropriate developers is a good practice to make sure we notice,
there's nothing to apologize for.

> I am trying to hook Sony IMX492 sensor to v5.10 imx8m-mini based platform.  The
> capture driver does not support Bayer GBRG 10 and 12bit pixel format, so i had
> to add these.  I also stumbled upon a bug in mx6s_capture.c which, i assume, is
> completely out of interest here as it's related to a vendor tree.

I'm surprised you stumbled upon one bug only :-) I always advise to stay
away from BSP code as much as possible.

> I got as far as sensor is registering with the capture mipi csi driver and, if
> HW is properly set up on both sides, should be streaming.  While my confidence
> is pretty high about the IMX492 setup i can't say the same about the recipient
> part.
> 
> So here is my question: how stable are NXP's MIPI CSI2 and CSI2 bridge drivers
> in v5.18?  Would it be better to switch to this version instead of hacking madly
> at the v5.10 vendor code?

I consider them more stable than the vendor code. If there are issues
there, we can help fixing them.

> I've already published the code here.  Once the development is done the intent
> is to mainline Sony IMX492 sensor driver.

That's great ! I'm looking forward to that.

-- 
Regards,

Laurent Pinchart