@richy80, Please read this thread: https://mailman.alsa-project.org/pipermail /alsa-devel/2019-November/158336.html
It is a problem in the radeon or nouveau driver, and will be fixed by audio-component support in the radeon and nouveau driver. And audio maintainer wants some debug info, because I don't have machines which can reproduce your problem, could you please provide or reply that email. thx. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1827967 Title: There are 4 HDMI/Displayport audio output listed in sound setting without attach any HDMI/DP monitor Status in HWE Next: Fix Released Status in linux package in Ubuntu: Fix Released Status in linux source package in Bionic: Fix Released Status in linux source package in Cosmic: Fix Released Status in linux source package in Disco: Fix Released Bug description: [Impact] In our OEM projects, we often meet this issues, there is no any monitor plugged, but in the gnome-sound-setting, there are 4 hdmi/dp audio devices. [Fix] We check the eld_valid when reporting the hdmi/dp jack event [Test Case] On the problematic machines, we do s3 test without plugging monitor, there is no hdmi audio device in the sound-setting. On the machines without this problem, we do s3 test, pluggin/unplugging monitor test, the hdmi audio work well as before. [Regression Risk] Low. We have done many tests on machines with or without this problem, there is no regression so far. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1827967/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
