APPLIED/CMT[F]: [SRU][F/OEM-F/unstable][PATCH 0/1] a fake headset key event will be triggered when plugging the headset on Lenovo x1c7

Kelsey Skunberg kelsey.skunberg at canonical.com
Fri Apr 24 18:28:52 UTC 2020


On 2020-04-14 11:31:21 , Hui Wang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1872583
> 
> [Impact]
> When users plug a headset into the audio jack on Lenovo x1c7, the
> audio driver can't stay in the rt_suspend state anymore
> 
> [Fix]
> don't let the driver trigger the fake key event
> 
> [Test Case]
> boot the kenrel, enable the dyndbg on the codec driver,
> plug/unplug the headset, check the runime pm status in the dmesg
> 
> [Regression Risk]
> Low, I have tested this patch Lenovo machines, they all worked well.
> 
> 
> Hui Wang (1):
>   ALSA: hda/realtek - a fake key event is triggered by running shutup
> 
>  sound/pci/hda/patch_realtek.c | 170 +++++++++++++++++++++-------------
>  1 file changed, 107 insertions(+), 63 deletions(-)
>

This was applied through a stable patch set. Verified in Focal/master-next.
Thank you! 

-Kelsey
 
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