APPLIED[B/D]: [SRU][B/OEM-B/D/E/unstable][PATCH 0/2] reboot will introduce an alarm 'beep ...' during BIOS phase

[Kleber Souza]

On 8/16/19 4:13 AM, Hui Wang wrote:
> BugLink: http://bugs.launchpad.net/bugs/1840395
> 
> Since this fix is still in the maintainer's tree, I add the UBUNTU: SAUCE:
> prefix in the patch title.
> 
> And this patchset is fixing a bug in the oem project, so please merge the
> patchset to OEM-B asap.
> 
> [Impact]
> We often hear the Beep noise when a couple of LENOVO laptops reboot, the
> reproduce rate is about 3/10.
> 
> [Fix]
> make the codec enter D3 before rebooting or poweroff, this can fix the issue.
> 
> 
> [Test Case]
> Tested on those LENOVO latpops, reboot 50 times, didn't reproduce the
> noise issue.
> 
> 
> [Regression Risk]
> Low. We tested this patch on different lenovo and dell laptops, they
> all worked well as bfore.
> 
> 
> Hui Wang (2):
>   UBUNTU: SAUCE: ALSA: hda - Let all conexant codec enter D3 when
>     rebooting
>   UBUNTU: SAUCE: ALSA: hda - Add a generic reboot_notify
> 
>  sound/pci/hda/hda_generic.c    | 19 +++++++++++++++++++
>  sound/pci/hda/hda_generic.h    |  1 +
>  sound/pci/hda/patch_conexant.c | 15 +--------------
>  sound/pci/hda/patch_realtek.c  | 11 +----------
>  4 files changed, 22 insertions(+), 24 deletions(-)
> 

Applied to bionic/master-next and disco/master-next branches.

Thanks,
Kleber