** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1757584
Title:
Let headset-mode initialization be called on Dell Precision 3930
Status in HWE Next:
New
Status in linux package in Ubuntu:
New
Status in linux-oem package in Ubuntu:
Incomplete
Bug description:
== SRU Justification ==
There is only one audio jack on this machine (codename: zuma-p), so
there is only one output device (headphone), then the driver will not generate
auto-mute control on this machine, without auto-mute, the headset-mode
initialization routine will not be called, as a result, all audio devices
can't work (output and input). To fix it, add a dummy lineout on this
machine, then there are two output devices (headphone + lineout), the
driver will create auto-mute control on this machine finally.
Due to the patch conflicts, I prepared two patches, one is for artful+oem,
the other is for bionic.
== Test Case ==
plug the headset and play or record the sound on this machine, both playing
and recording work well.
== Fix ==
one commit from mainline kernel.
== Regression Potential ==
very low, since this patch only applies to the specific Dell machine
Precision 3930.
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