can you provide  the values when request volume is 100% ?

124|   0.000) D: [alsa-sink] alsa-sink.c: Requested volume: 0:  94% 1:  94%
(   5.124|   0.000) D: [alsa-sink] alsa-sink.c:            in dB: 0: -1.61 dB 
1: -1.61 dB
(   5.124|   0.000) D: [alsa-sink] alsa-sink.c: Got hardware volume: 0: 100% 1: 
100%
(   5.124|   0.000) D: [alsa-sink] alsa-sink.c:               in dB: 0: 0.00 dB 
1: 0.00 dB
(   5.124|   0.000) D: [alsa-sink] alsa-sink.c: Calculated software volume: 0:  
94% 1:  94% (accurate-enough=no)
(   5.124|   0.000) D: [alsa-sink] alsa-sink.c:                      in dB: 0: 
-1.61 dB 1: -1.61 dB
(   5.124|   0.000) D: [alsa-sink] sink.c: Volume not changing


when pulseaudio set software volume to -inf dB,  does it really need to
set headwaters volume to -inf dB ?


the playback switch mute is equivalent to -inf dB


   6.086|   0.000) D: [alsa-sink] alsa-sink.c: Requested volume: 0:   0% 1:   0%
(   6.086|   0.000) D: [alsa-sink] alsa-sink.c:            in dB: 0: -inf dB 1: 
-inf dB
(   6.086|   0.000) D: [alsa-sink] alsa-sink.c: Got hardware volume: 0:   3% 1: 
  3%
(   6.086|   0.000) D: [alsa-sink] alsa-sink.c:               in dB: 0: -96.00 
dB 1: -96.00 dB
(   6.086|   0.000) D: [alsa-sink] alsa-sink.c: Calculated software volume: 0:  
 0% 1:   0% (accurate-enough=no)
(   6.086|   0.000) D: [alsa-sink] alsa-sink.c:                      in dB: 0: 
-inf dB 1: -inf dB
(   6.086|   0.000) D: [alsa-sink] sink.c: Volume going down to 0 at 3200829567
(   6.086|   0.000) D: [alsa-sink] sink.c: Volume change to 0 at 3200829567 was 
written 37 usec late
(   6.087|   0.000) D: [alsa-sink] alsa-sink.c: Written HW volume did not match 
with the request: 0:   0% 1:   0% (request) != 0:   3% 1:   3%
(   6.087|   0.000) D: [alsa-sink] alsa-sink.c:                                 
           in dB: 0: -inf dB 1: -inf dB (request) != 0: -96.00 dB 1: -96.00 dB

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https://bugs.launchpad.net/bugs/1210129

Title:
  Pulseaudio does not recognize sound levels correctly.

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