No HDMI sound output on Thinkpad X1

Posted by nickf on Ask Ubuntu See other posts from Ask Ubuntu or by nickf
Published on 2012-01-08T20:25:20Z Indexed on 2012/09/29 21:50 UTC
Read the original article Hit count: 284

Filed under:

11.10

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sound

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hdmi

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thinkpad

I'm having problems getting my sound to output via HDMI to my TV.

When I go to Sound Settings, the HDMI device does not appear.

~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

I don't know if the video information is helpful, but anyway:

~$ sudo lshw -C video
  *-display               
       description: VGA compatible controller
       product: 2nd Generation Core Processor Family Integrated Graphics Controller
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 09
       width: 64 bits
       clock: 33MHz
       capabilities: msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:46 memory:d0000000-d03fffff memory:c0000000-cfffffff ioport:5000(size=64)

Any suggestions for me?

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