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SubjectRe: [thesofproject/linux] [TEST] double-check impact of ACPI patch on suspend-resume (PR #3521)
For the information of everyone on the mailing lists:

Commit e38f9ff ("ACPI: scan: Do not add device IDs from _CID if _HID
is not valid") is going to be reverted, because it caused multiple
systems to misbehave as per the below.

On Wed, Mar 16, 2022 at 11:22 AM Rafael J. Wysocki <rafael@kernel.org> wrote:
>
> On Wed, Mar 16, 2022 at 3:05 AM Pierre-Louis Bossart <notifications@github.com> wrote:
>>
>> @rafaeljw @andy-shev @ujfalusi I think the results speak for themselves, we have two confirmed regressions with commit e38f9ff, so somehow filtering out the pnp_cid list has a very large impact.
>>
>> I was able to fix the SoundWire regression by using the DPM_FLAG_SMART_SUSPEND to prevent a spurious pm_runtime resume, the other regression on a Chromebook is not clear at all.
>
>
> OK, I'll revert that commit, but this pretty much means widespread firmware breakage.
>

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