Re: [PATCH] Revert "USB: serial: ch341: add new Product ID for CH341A"

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On Thu, Feb 10, 2022 at 11:18:22AM +0100, Jan-Niklas Burfeind wrote:
> Hello everyone.
> 
> For now I can identify two different USB-IDs depending on the Jumper 
> position on the board:
> 
> 1-2 connected: idVendor=1a86, idProduct=5512
> 2-3 or none  : idVendor=1a86, idProduct=5523
> 
> I'm not sure how I'd plug it to reach the Parallel Printer Interface 
> mentioned before.
> 
> The advertised position of this Jumper is 1-2.
> Both positions are labeled with two different chinese symbols, "2-3" is 
> labeled with TTL as well.
> 
> Looking at the devices schematics I think its safe to revert my original 
> commit and I'm sorry to have caused you all this trouble.
> 
> At the time I added the device I missidentified the Jumper as voltage 
> level selector.
> 
> I had seen others using the board on youtube, with Jumper position 1-2;
> and did not understand, why my system would not recognize it at all.
> 
> 
> Sorry again and thanks for the effort

No problem. Thanks for helping us clear this up.

Johan



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