This is intended for the Jammy HWE not the 5.15 Jammy. Invalid the
status for Jammy.
** Changed in: linux (Ubuntu Jammy)
Status: New => Invalid
** Changed in: linux (Ubuntu Plucky)
Status: Won't Fix => Fix Committed
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https://bugs.launchpad.net/bugs/2099880
Title:
Fix line-out playback on some platforms with Cirrus Logic “Dolphin”
hardware
Status in HWE Next:
New
Status in linux package in Ubuntu:
New
Status in linux source package in Jammy:
Invalid
Status in linux source package in Noble:
New
Status in linux source package in Oracular:
New
Status in linux source package in Plucky:
Fix Committed
Bug description:
[ Impact ]
On Dell Vostro-3030 with Jammy, the rear audio line-out port doesn’t
output sound. According to feedback from Cirrus Logic this is due to
an incorrectly set “full-scale volume” bit, and they’ve upstreamed a
fix for this issue.
[ Fix ]
Backport the commit 08b613b9e2ba (ALSA: hda/cirrus: Correct the full
scale volume set logic), which has appeared in linux-next since
next-20250217.
[ Test ]
Insert the headphone jack at the rear port and test audio playback. It
should function normally.
[ Where the problems could occur ]
Regression might impact platforms using the cs8409 sound card.
Regression in changes regarding the register init sequence will impact
the “dolphin” variant of those platforms.
Note that the cs23l42_resume() that this patch changes is not the one
in the ASoC CS42L42 soundwire driver (and other ASoC codec drivers),
so codec drivers under sound/soc/codecs/ are theoretically not
impacted.
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