Public bug reported: [Summary] Fail to detect card after unplugging DPoC cable and reboot
Still can reproduce the issue after upgrading kenrel to 5.15.0-1033-mtk [Steps to reproduce] 1. Flash image 2. Go to U-Boot shell and add display-dsidp.dtbo to list_dtbo 3. Reboot system with DPoC connected 4. Unplug DPoC cable and reboot system 5. Check if the card can be detected $ pactl list cards [Expected result] The card can be detected [Actual result] no card is detected [Failure rate] 100% [Additional information] SKU: G1200-evk P1V2, G510 Image: genio-classic-desktop-2204-20240322-185.tar.xz kernel-version: 5.15.0-1030-mtk --- The issue is gone after changing following values to default values. $ amixer -c 0 cset name='DPTX_OUT_MUX' 0 $ amixer -c 0 cset name='HDMI_OUT_MUX' 1 LP: #2079780 ** Affects: linux-mtk (Ubuntu) Importance: Undecided Status: New ** Affects: linux-mtk (Ubuntu Jammy) Importance: Undecided Status: New ** Also affects: linux-mtk (Ubuntu Jammy) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2090979 Title: Fail to detect card after unplugging DPoC cable and reboot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-mtk/+bug/2090979/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs