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[Giorgio Wicklein <346170@xxxxxxxxxxxxxxxxxx>]

** Changed in: alsa-driver (Ubuntu)
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/346170

Title:
  New iMac (9,1, March 09) headphone jack works, speakers do not

Status in Mactel Support:
  New
Status in “alsa-driver” package in Ubuntu:
  Fix Released

Bug description:
  I got a new iMac, (version 9,1 March 09). Everything works perfectly
  except the sound. Sound comes out of the headphone jack. Sound does
  not come out of the speakers. I've tried numerous fixes, but I think
  it comes down to the newest iMac hardware not being supported yet.

  lspci-v

  00:08.0 Audio device: nVidia Corporation MCP79 High Definition Audio (rev b1)
  	Subsystem: nVidia Corporation Device cb79
  	Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 15
  	Memory at d3580000 (32-bit, non-prefetchable) [size=16K]
  	Capabilities: <access denied>
  	Kernel modules: snd-hda-intel

   aplay -l

  **** List of PLAYBACK Hardware Devices ****
  card 0: NVidia [HDA NVidia], device 0: ALC883 Analog [ALC883 Analog]
    Subdevices: 0/1
    Subdevice #0: subdevice #0
  card 0: NVidia [HDA NVidia], device 1: ALC883 Digital [ALC883 Digital]
    Subdevices: 1/1
    Subdevice #0: subdevice #0

  I get the same results in 8.10 and 9.04