verified pass on linux-mtk 1036 kernel.

check the sound card still existed after rebooting with dpoc
disconnected.


** Tags removed: verification-needed-jammy-linux-mtk
** Tags added: verification-donejammy-linux-mtk

** Tags removed: verification-donejammy-linux-mtk
** Tags added: verification-done-jammy-linux-mtk

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-mtk in Ubuntu.
https://bugs.launchpad.net/bugs/2090979

Title:
  Fail to detect card after unplugging DPoC cable and reboot

Status in linux-mtk package in Ubuntu:
  New
Status in linux-mtk source package in Jammy:
  New

Bug description:
  [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

To manage notifications about this bug go to:
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