ACK: [SRU][F/OEM-5.6][PATCH 0/3] soc/amd/renoir: detect dmic from acpi table

[Stefan Bader]

On 20.07.20 03:58, Hui Wang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1887734
> 
> Groovy kernel already merged the patchset
> 
> [Impact]
> On the amd renoir machines, there is possibility that they have no dmic
> from the hardware desgin, but the driver register a dmic unconditionally,
> to avoid it, add the dmic detection code in the driver.
> 
> [Fix]
> Backport 3 patches from upstream.
> 
> [Test Case]
> On the 3 Lenovo ADM renoir machines, boot the kernel with this patchset,
> all dmic could be detected and registered as before. Disable the dmic
> in the BIOS, the driver can't detect the dmic and the dmic is not
> registered in the driver.
> 
> [Regression Risk]
> Low, this SRU are only specific to soc/amd/renoir, and we already
> tested on 3 lenovo machines, they worked as expected.
> 
> Vijendar Mukunda (3):
>   ASoC: amd: add logic to check dmic hardware runtime
>   ASoC: amd: add ACPI dependency check
>   ASoC: amd: fixed kernel warnings
> 
>  sound/soc/amd/renoir/rn-pci-acp3x.c | 33 +++++++++++++++++++++++++++++
>  sound/soc/amd/renoir/rn_acp3x.h     |  2 ++
>  2 files changed, 35 insertions(+)
> 
Change limited to specific HW (SOC code) and positive testing.

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

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