Hello Takashi, On Tue, Aug 08, 2006 at 12:21:37PM +0200, Takashi Iwai wrote: > The document for 7.1 was not publicly released. And no known document > for 5.1. You should ask M-Audio about it. I will be away for a few days so now is a bad time. But I will try to ask them once I am back. Is there a know contact person, or is the plan to just search through their web page for a feasible communication channel and then use this? > > 1) The ice1712/revo.h header file (shared by Revolution 7.1 and 5.1) > > defines the following: > > > > #define VT1724_REVO_CCLK 0x02 > > #define VT1724_REVO_CDIN 0x04 /* not used */ > > #define VT1724_REVO_CDOUT 0x08 > > #define VT1724_REVO_CS0 0x10 /* not used */ > > #define VT1724_REVO_CS1 0x20 /* front AKM4381 chipselect */ > > #define VT1724_REVO_CS2 0x40 /* surround AKM4355 chipselect */ > > #define VT1724_REVO_MUTE (1<<22) /* 0 = all mute, 1 = normal operation */ > > > > Why are the "not used" ones there? > > Why not? :) Because they are not used? > > Note that 0x80 is not mentioned in the header file. Is this a > > problem? > > Might be. The code was originally written for Revo 7.1, and I have no > revo 5.1. Just heard that it works so. Playback works fine. Capture does not. Many thanks, Jochen -- http://seehuhn.de/
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