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Message #135527
[Bug 1490895] Re: Skylake/Broadwell/Haswell: No HDMI audio jack detection in D3
Verified Passed with KH 0914-0 Build ( 3.19.0-29.31~14.04.1 ) on Haswell
& Broadwell SKU.
- Haswell:
SKU: RDU-E4-C1
HDMI audio passed in both AC & Battery mode
- Broadwell:
SKU: HOU4-E3-C1B
HDMI audio passed in both AC & Battery mode
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https://bugs.launchpad.net/bugs/1490895
Title:
Skylake/Broadwell/Haswell: No HDMI audio jack detection in D3
Status in HWE Next:
New
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Vivid:
Fix Committed
Bug description:
This is a long-standing bug for some Haswell, Broadwell and most
Skylake machines.
When the HDA audio controller is in D3, a hotplug event (i e, HDMI or
DisplayPort being plugged in) fails to wake up the audio side so it
never registers that something has happened.
By having the i915 driver call directly into the hda driver, the HDA
driver is always notified that an HDMI hotplug event has happened.
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References