ACR an HDR 32 bits

[#1]

Hello everyone.
When I do a 32 bit HDR Photoshop tells me if I want to go to Camera Raw to adjust the tones. It goes to ACR without problems, I make the adjustments and when I tell it to quit ACR, Photoshop flattens the layer and transforms it into 16 bits. I would like to keep the 32-bit version and also as a smart object. How could I do this?

[#2]

Hello everyone.
When I do a 32 bit HDR Photoshop tells me if I want to go to Camera Raw to adjust the tones. It goes to ACR without problems, I make the adjustments and when I tell it to quit ACR, Photoshop flattens the layer and transforms it into 16 bits. I would like to keep the 32-bit version and also as a smart object. How could I do this?

[#3]

Unfortunately Camera Raw no longer supports 32 Bits/Channel as described here:

https://feedback.photoshop.com/conversations/camera-raw-and-dng/camera-raw-merge-to-hdr-pro-in-32-bi...

[#4]

There is a workaround if you have Lightroom.

a. With 32 bit image open in Photoshop - Save as a flattened TIFF file (with 32 bit floating point)

b. Import that 32 bit TIFF to Lightrooom

c. In Lightroom use menu  Library >Convert Photo to DNG

d. Still in Lightroom use Photo > Edit in > Open as smart object in Photoshop.

e. This opens a 16 bit Photoshop file with a Smart Object.   Double click on the SO and it will open in Camera Raw using the full 32 bit image

Dave