APPLIED [OEM-5.6] Re: [SRU][F/OEM-5.6][PATCH 0/3] soc/amd/renoir: detect dmic from acpi table
tjaalton at ubuntu.com
Wed Jul 29 12:02:35 UTC 2020
On 20.7.2020 4.58, Hui Wang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1887734
> Groovy kernel already merged the patchset
> 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.
> 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(+)
applied to oem-5.6, thanks
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