Ubuntu
alsa-driver package

  1. Bug #1274401
  2. Comment #37

Comment 37 for bug 1274401

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

the other question is whether the driver need to differentiate those internal subwoofer (your case) and external subwoofer

https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/871808

https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1040873

those external subwoofer seem need surround40 but yours only need stereo