Ubuntu
alsa-driver package

  1. Bug #1302090
  2. Comment #8

Comment 8 for bug 1302090

Revision history for this message
Raymond (superquad-vortex2) wrote : Re: Speaker sound output is mono until a headphone jack is plugged

autoconfig: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
   speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
   hp_outs=2 (0x15/0x16/0x0/0x0/0x0)
   mono: mono_out=0x0
   inputs:
     Internal Mic=0x12
     Mic=0x19

you still need to find out the node for the headset mic and the subwoofer

the problem is only three volume controls but two headphones , speaker and subwoofer , (front, rear, center/lfe)