[SRU][Jammy/OEM-5.17][PATCH v2 0/2] alsa: asoc: amd: the internal mic can't be dedected on yellow carp machines

[Hui Wang]

Sorry, this SRU is also for oem-5.14, please help merge to oem-5.14 as 
well if getting acks.

thx.

On 7/5/22 15:56, Hui Wang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1980700
>
> The fix is already in the upstream kernel v5.19-rc1, no need to
> send the patches to unstable kernel. And for Jammy kernel, this SRU
> depends on #1949245, after merging the patchset for #1949245, then
> could apply this SRU to jammy.
>
>
> [Impact]
> On the AMD YC platforms, the internal mic can't be detected
> and there is no internal mic for users to use.
>
> [Fix]
> Backport 2 patches from mainline kernel to fix this problem.
>
> [Test]
> boot the patched kernel on the machine which has updated BIOS, after
> loging into the desktop, open the gnome-sound-setting, there is
> internal mic, and could record sound via internal mic.
>
>
> [Where problems could occur]
> This only impacts intenal mic detection on AMD yc machines, it will
> check the acpi variable first, if not detected, it will check the acpi
> dmi table as before, so the regression possibility is very low, and we
> already tested these patches on a couple of Lenovo YC machines, all
> worked well.
>
>
> Mario Limonciello (2):
>    ASoC: amd: Add driver data to acp6x machine driver
>    ASoC: amd: Add support for enabling DMIC on acp6x via _DSD
>
>   sound/soc/amd/yc/acp6x-mach.c | 42 +++++++++++++++++++++++++++++++----
>   1 file changed, 38 insertions(+), 4 deletions(-)
>