APPLIED [OEM-5.14] Re: [PATCH 0/2][SRU][OEM-5.14] New fix for jack detection after resume on CS8409 sound driver

Timo Aaltonen tjaalton at ubuntu.com
Tue Dec 14 15:23:56 UTC 2021


On 14.12.2021 15.38, Chris Chiu wrote:
> BugLink: https://bugs.launchpad.net/bugs/1954773
> 
> [Impact]
> On some platforms with Cirrus CS8409 audio codec, the external headset will fail to be detected after system resume.
> 
> [Fix]
> Cirrus released a new fix commit 65cc4ad62a9e ('ALSA: hda/cs8409: Set PMSG_ON earlier inside cs8409 driver'). It sets the power_state to ON before the unsolicited event arrives to make sure the jack detection can be invoked after resume.
> 
> [Test]
> Plug-in an external headset in front headset port, suspend/resume the system then check whether the headset function works as expected.
> 
> [Where problem could occur]
> Low. It only affect the platforms with Cirrus codec CS8409 which used to have problem.
> 
> Chris Chiu (1):
>    Revert "UBUNTU: SAUCE: ALSA: hda/cs8409: Schedule delayed work for
>      jack detect on resume"
> 
> Stefan Binding (1):
>    ALSA: hda/cs8409: Set PMSG_ON earlier inside cs8409 driver
> 
>   sound/pci/hda/hda_local.h    |  9 ++++
>   sound/pci/hda/patch_cs8409.c | 84 +++++++++---------------------------
>   sound/pci/hda/patch_cs8409.h |  1 -
>   3 files changed, 29 insertions(+), 65 deletions(-)
> 

applied to oem-5.14, thanks

-- 
t



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