Changeset 1523

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Timestamp:
03/22/09 16:37:36 (15 years ago)
Author:
jwoithe
Message:

MOTU: update protocol document to include "main out" and "phones" volume control registers.

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  • trunk/libffado/doc/motu_firewire_protocol.txt

    r1507 r1523  
    33 
    44Author: Jonathan Woithe 
    5 Document version: 20081207-1 
     5Document version: 20090321-1 
    66 
    77 
     
    4404400x0c04 - routing / port configuration 
    4414410x0c08 - input level (for analog channels 5-8 only) 
     4420x0c0c - "Main out" volume control 
     4430x0c10 - Phones volume control 
    4424440x0c14 - boost controls (for analog channels 5-8 only) 
    4434450x0c18 - something related to selections in mixer application 
     
    843845 
    844846 
     8470x0c0c - "Main out" volume control 
     848 
     849Bits 7-0 of this register control the device's "main out" volume (0x80 = 0 dB,  
     8500x00 = -inf).  Bits 31-8 appear unused at present. 
     851 
     852 
     8530x0c10 - phones volume control 
     854 
     855Bits 7-0 of this register control the device's phones volume (0x80 = 0 dB,  
     8560x00 = -inf).  Bits 31-8 appear unused at present. 
     857 
     858 
    8458590x0c1c - gain trim / 20 dB pad controls (for analog channels 1-4 only) 
    846860