** Changed in: linux (Ubuntu)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1787058
Title:
ThinkPad systems have no HDMI sound when using the nvidia GPU
Status in HWE Next:
New
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Bionic:
New
Bug description:
Some ThinkPad systems have a power-saving feature that turns off
Nvidia HDMI audio device in Windows, but NVidia Linux driver does not
support this feature. As a result, HDMI audio will not work on Linux.
A BIOS workaround is added with an OEM_OSI string "Linux-Lenovo-NV-
HDMI-Audio" which needs enabling in Linux kernel too.
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