Headphones volume on Thinkpad

ProphetOfDoom

ProphetOfDoom

Hi, first of all sincere apologies to any other users whom I may not have replied to in the past, I'm extremely socially awkward even for a Unix enthusiast...
I just installed FreeBSD on my Thinkpad x220 (it had been running Ubuntu for a few years) and I also got some new Beyerdynamic headphones. Unfortunately they are too quiet, the impedance is 80 Ohm. Just to give you an idea of the levels I'm getting: imagine 0dB is "uncomfortably loud"; well I like to listen at -2dB and my headphones are only providing about -10dB. I'm using the Mate desktop if that's relevant. I tried installing audio/pavucontrol on the suggestion of another thread, but when I try and raise the volume above 100% it immediately snaps back to 100%.
Can anyone help?
 
Have you ran mixer?

Code: 
jitte@bakemono:/ $ mixer
Mixer vol      is currently set to 100:100
Mixer pcm      is currently set to 100:100
Mixer speaker  is currently set to 100:100
Mixer mic      is currently set to  50:50
Mixer rec      is currently set to   1:1
Mixer monitor  is currently set to  50:50
Recording source: monitor
jitte@bakemono:/ $

You can set each variable independently.
 
Hullo, thanks for your message, it does the same as pavucontrol i.e. it clamps it to 100!

Code: 
~ $ mixer
Mixer vol      is currently set to 100:100
Mixer pcm      is currently set to 100:100
Mixer speaker  is currently set to   0:0
Mixer mic      is currently set to  50:50
Mixer rec      is currently set to   1:1
Mixer monitor  is currently set to   0:0
Recording source: mic
~ $ mixer vol 150
Setting the mixer vol from 100:100 to 100:100.
 
Check which driver the sound card is using: sysctl -a | grep hda | grep -A1 driver
Maybe there is a note in the drivers manual about volume, i.g.:
snd_hda(4)
Code: 
Boot-time Configuration
  The following variables are available at boot-time through the
  device.hints(5) file:
              ...
              hint.hdaa.%d.gpio_config
                                           ...  If you have no sound, or sound
                                    volume is not adequate, you may have to
                                    experiment a bit with the GPIO setup to
                                    find the optimal setup for your system.
 
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