On Sat, Nov 26, 2016 at 05:42:12PM +0100, francois bluewin wrote: Instead of using an .asoundrc you could program HDSPmixer from a script, provided you can find out the channel numbers. Below is an example of doing this on a Multiface II: #!/bin/bash # Multiface II mixer # # inputs: 0-7 (analog), 16-23 (adat), 24-25 (spdif) 26-33, 42..51 (playback channels) # outputs: 0-7 (analog), 16-23 (adat) 24-25 (spdif), 26-27 (phones) device=hw:DSP gain=32768 function set_gain () { amixer -D $device cset numid=5 $1,$2,$3 > /dev/null 2>&1 } function reset_matrix () { for out in $(seq 0 27); do for inp in $(seq 0 51); do set_gain $inp $out 0 done done } echo Clearing matrix mixer ... # Reset all reset_matrix echo Setting default connections ... # Playback 1..8 to analog outs set_gain 26 0 $gain set_gain 27 1 $gain set_gain 28 2 $gain set_gain 29 3 $gain set_gain 30 4 $gain set_gain 31 5 $gain set_gain 32 6 $gain set_gain 33 7 $gain # Playback 9..16 to ADAT outs set_gain 42 16 $gain set_gain 43 17 $gain set_gain 44 18 $gain set_gain 45 19 $gain set_gain 46 20 $gain set_gain 47 23 $gain set_gain 48 24 $gain set_gain 49 25 $gain # Playback 17,18 to headphone amp set_gain 50 26 $gain set_gain 51 27 $gain amixer -D$device sset 'Preferred Sync Reference' 'ADAT1' amixer -D$device sset 'Sample Clock Source' 'AutoSync' echo Done. exit 0 -- FA A world of exhaustive, reliable metadata would be an utopia. It's also a pipe-dream, founded on self-delusion, nerd hubris and hysterically inflated market opportunities. (Cory Doctorow)