Ubuntu
alsa-driver package

  1. Bug #1296017
  2. Comment #1

Comment 1 for bug 1296017

Revision history for this message
Raymond (superquad-vortex2) wrote :

post the out put of alsa-info.sh

xrandr --verbose

this depend on whether your HDMI codec support multi channel LPCM and your HDMI monitor/receiver 's EDID has speaker allocation pass to your graphic driver , the graphic driver extract SAD from EDID and pass ELD to audio driver

https://lkml.org/lkml/2013/10/31/326