[alsa-devel] [BUG] Bad decibel data on C-Media USB sound card

[Allen M.]

Clemens Ladisch wrote:
>What is the value of the "Headphone Playback Volume" mixer control
>(as shown by "amixer contents") above and below this threshold?

using "amixer --device hw:Set contents"
36% yields "values=8,8"
34% yields "values=0,0"

interestingly, using "alsamixer" shows that while (default) reports 36%,
the C-media device reports 3%