[alsa-devel] [PATCH 0/3] ALSA: snd-usb: Some small fixes to make Playback Design products work

Jussi Laako jussi at sonarnerd.net
Thu Mar 28 01:10:01 CET 2013

On 03/26/2013 09:34 PM, Daniel Mack wrote:
> What protocol is that? Is there a driver for Linux?

Just a custom flow-controlled bulk-mode byte stream. I have some hacks 
to make things work for my own prototype purposes, but I haven't got 
time to make anything clean and worth releasing.

There's not much point in releasing a driver that nobody else has 
hardware for... :)

I was hoping to discuss the ALSA sample format topic already earlier in 
context of getting DSD support to the RigiSystems USBPAL Linux driver, 
but it doesn't seem to be proceeding anywhere and I don't have necessary 
documentation (nor time)...
I have the hardware though, so I can test & develop things at 
application side.

	- Jussi

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