Re: [LAD] Support for Steinberg UR22 (Yamaha USB chipset 0499:1509)?

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To: <linux-audio-dev@...>
Date: Friday, April 4, 2014 - 9:48 pm

Hi, Christian!

I also own this device. Linux / kernel 3.13.8 is still lacking proper
support (the patch + x) for it. No audio device comes up.

I did some reverse engineering just to find out that it's an
proprietary Yamaha SSP2 DSP inside which has YC706A0 SSP2 on his
number plate. This is very likely a NEC (now Renesas) based design.
I even found the Pinout of a Chip like this (which is also referenced as
uPD800500F1-11-KN), but there is no hardware/software reference
manual available - shame on Steinberg! This thing could also be
fed with firmware which might be extracted from the Windows drivers

Let me know when you want me to test something for you.


On 04/04/2014 09:56 PM, covux wrote:

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Re: [LAD] Support for Steinberg UR22 (Yamaha USB chipset 049..., Clemens Koller, (Fri Apr 4, 9:48 pm)