Does not work

Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch cswitch-joined
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 65536
  Front Left: Capture 65536 [100%] [on]
  Front Right: Capture 65536 [100%] [on]
portrait
Unable to parse link: Invalid argument (22)
Unable to setup formats: Invalid argument (22)

I tried both rear and front no file is saved.

I don't hear any click sound as when the camera is starting.