Re: Update: emu1212m

[James Courtier-Dutton <James@superbug.co.uk>]

James Courtier-Dutton wrote:
> Hi,
> 
> This is just a quick note to say that I have made some progress with the
> alsa support for emu1212m.
> Summary:
> If one cold boots to windows, and then warm boots to linux, I have
> managed to get SPDIF out working on the emu1212m.
> This is good news, because I have managed to determine the final bit of
> work required to get the emu1212m working in Linux.
> The emu1212m has a FPGA on it.
> 1) The FPGA array is filled with the netlists.
> 2) The FPGA now has registers that can be read and written to switch
> features on and off. E.g. spdif out or adat out.
> 
> Now, I have done a lot of the work for step 2. I just need to work out
> how to do step 1 now.
> Step 1 happens on cold boot, and survives a warm boot.
> Step 2 is already understood in the Linux driver.
> 
> Summary:
> TODO: Step 1.
> 
> James
> 

Here is a small update. I have now completed (1) and (2), but a new
problem remains.
(3) The samples are not actually getting from the DSP to the SPDIF unharmed.

I am making further investigations into this, but no luck so far.

James

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