HDMI Sound Stops Working

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Posted by stueng on Ask Ubuntu See other posts from Ask Ubuntu or by stueng
Published on 2012-07-01T02:12:04Z Indexed on 2012/07/01 3:23 UTC
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When not used for a few hours the sound stops working on my HTPC. To get sound to work again I have to unplug the HDMI cable and plug it back in again

When this sound "outage" occurs, the HDMI device dissapears from the sound config output devices

I see the following in dmesg

[78534.010328] HDMI hot plug event: Codec=0 Pin=3 Presence_Detect=0 ELD_Valid=0
[78534.010363] HDMI status: Codec=0 Pin=3 Presence_Detect=0 ELD_Valid=0
[78558.948403] HDMI hot plug event: Codec=0 Pin=3 Presence_Detect=1 ELD_Valid=1
[78558.948429] HDMI status: Codec=0 Pin=3 Presence_Detect=0 ELD_Valid=0
[78562.579047] HDMI hot plug event: Codec=0 Pin=3 Presence_Detect=1 ELD_Valid=0
[78562.579078] HDMI status: Codec=0 Pin=3 Presence_Detect=1 ELD_Valid=1
[78562.579992] HDMI hot plug event: Codec=0 Pin=3 Presence_Detect=0 ELD_Valid=1
[78562.580043] HDMI status: Codec=0 Pin=3 Presence_Detect=1 ELD_Valid=1
[78562.876030] HDMI status: Codec=0 Pin=3 Presence_Detect=1 ELD_Valid=1
[78563.176036] HDMI status: Codec=0 Pin=3 Presence_Detect=1 ELD_Valid=1
[78563.195139] HDMI hot plug event: Codec=0 Pin=3 Presence_Detect=0 ELD_Valid=0
[78563.195169] HDMI status: Codec=0 Pin=3 Presence_Detect=0 ELD_Valid=0
[78563.476030] HDMI status: Codec=0 Pin=3 Presence_Detect=0 ELD_Valid=0
[78635.529493] HDMI hot plug event: Codec=0 Pin=3 Presence_Detect=1 ELD_Valid=1
[78635.529524] HDMI status: Codec=0 Pin=3 Presence_Detect=0 ELD_Valid=0
[78641.330701] HDMI hot plug event: Codec=0 Pin=3 Presence_Detect=1 ELD_Valid=0
[78641.330733] HDMI status: Codec=0 Pin=3 Presence_Detect=1 ELD_Valid=1
[78641.331649] HDMI hot plug event: Codec=0 Pin=3 Presence_Detect=0 ELD_Valid=1
[78641.331668] HDMI status: Codec=0 Pin=3 Presence_Detect=1 ELD_Valid=1
[78641.628050] HDMI status: Codec=0 Pin=3 Presence_Detect=1 ELD_Valid=1
[78641.928037] HDMI status: Codec=0 Pin=3 Presence_Detect=1 ELD_Valid=1
[78642.228042] HDMI status: Codec=0 Pin=3 Presence_Detect=1 ELD_Valid=1
[78642.528039] HDMI status: Codec=0 Pin=3 Presence_Detect=1 ELD_Valid=1
[78642.828037] HDMI status: Codec=0 Pin=3 Presence_Detect=1 ELD_Valid=1

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