APPLIED: [B/C][PATCH 0/4] Fix realtek pop noise found on some wyse platforms

[Khaled Elmously]

On 2019-04-17 16:25:41 , Wen-chien Jesse Sung wrote:
> BugLink: https://launchpad.net/bugs/1821290
> 
> * Impact:
> There's unpleasant pop noise when headset is plugged in or removed from
> GHS/Line-out jack.
> 
> * Fix:
> Issue can be fixed by these four patches. All of them are accepted by
> upstream.
> - 4d4b0c52 - ALSA: hda/realtek - Add unplug function into unplug state
>   of Headset Mode for ALC225
> - d1dd4211 - ALSA: hda/realtek - Disable headset Mic VREF for headset
>   mode of ALC225
> - 136824ef - ALSA: hda/realtek - Add support headset mode for DELL
>   WYSE AIO
> - da484d00 - ALSA: hda/realtek - Add support headset mode for New
>   DELL WYSE NB
> 
> * Testcase:
> Connect/remove a headset to/from the jack and see if there's noise.
> 
> * Risk of Regression:
> Low since these patches only affect specific platforms.
> 
> Kailang Yang (4):
>   ALSA: hda/realtek - Add unplug function into unplug state of Headset
>     Mode for ALC225
>   ALSA: hda/realtek - Disable headset Mic VREF for headset mode of
>     ALC225
>   ALSA: hda/realtek - Add support headset mode for DELL WYSE AIO
>   ALSA: hda/realtek - Add support headset mode for New DELL WYSE NB
> 
>  sound/pci/hda/patch_realtek.c | 44 ++++++++++++++++++++++++++++++++++-
>  1 file changed, 43 insertions(+), 1 deletion(-)
> 
> -- 
> 2.20.1
> 
> 
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