Ubuntu
alsa-driver package

  1. Bug #1487168
  2. Comment #29

Comment 29 for bug 1487168

Revision history for this message
Raymond (superquad-vortex2) wrote : Re: [Emulated AD1980 AC97 inside Virualbox 5.0, playback] volume slider problem

0:74 = 1000

1:74 = 4000

2:74 = 2000

the emulated ad1980 report different codec register mask
it make the alsa driver believe that there are three codecs

Serial Configuration Register (Index 74h)

REGM3 Slave 3 Codec Register Mask
REGM0 Master Codec Register Mask
REGM1 Slave 1 Codec Register Mask
REGM2 Slave 2 Codec Register Mask