[alsa-devel] usb-audio mic problem with Polycom C100S

Meelis Roos mroos at linux.ee
Fri Sep 27 15:10:59 CEST 2013

> > I tried to use Skype (4.1) with Polycom Communicator C100S. Audio
> > output works fine but mic seems to be dead, although it is set to
> > capture and volume is even max.
> Please show the output of "amixer scontents" for this device.

Simple mixer control 'PCM',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 61
  Mono: Playback 20 [33%] [-20.17dB] [on]
Simple mixer control 'Mic',0
  Capabilities: cvolume cvolume-joined cswitch cswitch-joined
  Capture channels: Mono
  Limits: Capture 0 - 64
  Mono: Capture 0 [0%] [0.00dB] [on]

Meelis Roos (mroos at linux.ee)

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