Public bug reported:
[Impact]
Headset jack detection doesn't work on Dell UFF desktops. MSI interrupt
doesn't work anymore if the HDA device ever gets runtime-suspended.
[Fix]
Disable runtime suspend on HDA device.
This is a temporary workaround, we are still finding the root cause.
[Test]
With the patch applied, jack detection always works.
[Regression Potential]
This fix will not enable HDA runtime suspend by defualt, so for systems
that doesn't use TLP or `powertop --auto-tune`, this will slightly
increase power consumption.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux-oem-5.6 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-5.6 (Ubuntu Focal)
Importance: Medium
Status: Confirmed
** Tags: oem-priority originate-from-1893610 somerville
** Package changed: linux (Ubuntu) => linux-oem-5.6 (Ubuntu)
** Also affects: linux-oem-5.6 (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux-oem-5.6 (Ubuntu)
Status: New => Invalid
** Changed in: linux-oem-5.6 (Ubuntu Focal)
Status: New => Confirmed
** Changed in: linux-oem-5.6 (Ubuntu Focal)
Importance: Undecided => Medium
** Tags added: oem-priority originate-from-1893610 somerville
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https://bugs.launchpad.net/bugs/1897508
Title:
Fix headset jack detection on Dell UFF desktops
Status in HWE Next:
New
Status in linux-oem-5.6 package in Ubuntu:
Invalid
Status in linux-oem-5.6 source package in Focal:
Confirmed
Bug description:
[Impact]
Headset jack detection doesn't work on Dell UFF desktops. MSI interrupt
doesn't work anymore if the HDA device ever gets runtime-suspended.
[Fix]
Disable runtime suspend on HDA device.
This is a temporary workaround, we are still finding the root cause.
[Test]
With the patch applied, jack detection always works.
[Regression Potential]
This fix will not enable HDA runtime suspend by defualt, so for systems
that doesn't use TLP or `powertop --auto-tune`, this will slightly
increase power consumption.
To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/1897508/+subscriptions
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