ACK/Cmnt: [SRU][B/OEM-B/C/D][PATCH 0/2] Eletrical noise occurred when external headset enter powersaving mode on a DEll machine

[Stefan Bader]

On 13.05.19 13:48, Hui Wang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1828798
> 
> [Impact]
> Eletrical noise occurred when external headset enter powersaving mode (around 7 seconds)
> 
> [Fix]
> Don't clear pinctl when runtime suspend.
> 
> [Test Case]
> Plug headset and wait for the codec to enter runtime suspend, there is no any noise from headphone.
> 
> [Regression Risk]
> Low. the 1st patch is specific to a Dell machine and the 2nd patch is specific to the machine with the codec alc298
> 
> 
> Kailang Yang (1):
>   ALSA: hda/realtek - Fixup headphone noise via runtime suspend
> 
> Takashi Iwai (1):
>   ALSA: hda/realtek - Reduce click noise on Dell Precision 5820
>     headphone
> 
>  sound/pci/hda/patch_realtek.c | 107 ++++++++++++++++++++--------------
>  1 file changed, 64 insertions(+), 43 deletions(-)
> 
The patch "ALSA: hda/realtek - Fixup headphone noise via runtime suspend" now is
upstream with the same SHA1. So can be adjusted when applying.

Acked-by: Stefan Bader <stefan.bader at canonical.com>

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