ACK: [SRU][Focal][PATCH 0/1] Fix the Headphone and Mic issues on the Acer Aspire 5

[Tim Gardner]

Acked-by: Tim Gardner <tim.gardner at canonical.com>

On 7/27/21 12:18 AM, Hui Wang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1930188
> 
> The patch was merged to ubuntu 5.13.0 and 5.11.0 generic kernels
> with stable update already, but it is not merged to ubuntu 5.4.0
> kernel yet, so I sent this SRU for the focal kernel.
> 
> [Impact]
> Users plug headphone and Mic to the audio jacks, but the system
> can't detect them, and couldn't output sound through headphone and
> record sound through Mic.
> 
> [Fix]
> Backport a upstream patch, this will set the Mic to auto-detection
> mode and set the headphone to left location.
> 
> 
> [Test]
> Plug a headset to the headset audio jack, both headphone and mic
> could be detected. And output the sound to headphone, could hear
> the sound, record the sound through Mic, the sound could be recorded.
> 
> 
> [Where problems could occur]
> The patch is specific to Acer Aspire 5 machine, if it could introduce
> regression, it will make the audio like internal mic and internal spk
> stop working. But this possibility is very low.
> 
> 
> Hui Wang (1):
>    ALSA: hda/realtek: headphone and mic don't work on an Acer laptop
> 
>   sound/pci/hda/patch_realtek.c | 12 ++++++++++++
>   1 file changed, 12 insertions(+)
> 

-- 
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Tim Gardner
Canonical, Inc