APPLIED[F]: [SRU][Focal][OEM-5.6][Groovy][PATCH 0/1] alsa/sof: support 1 and 3 dmics

[Hui Wang]

On 2020/8/21 上午6:00, Ian May wrote:
> Changed "Chery picked from" to "cherry picked from commit"
> Applied to Focal/master-next. Thanks!
>
> Ian

Thanks.

>
> On 2020-08-14 13:39:25 , Hui Wang wrote:
>> BugLink: https://bugs.launchpad.net/bugs/1891585
>>
>> [Impact]
>> On a Dell tigerlake laptop, the sof driver fails to detect the dmic,
>> it alwasys report 0 dmics on the machine. So users doesn't have
>> internal mic to use.
>>
>> [Fix]
>> Intel write a patch to fix this issue, if NHLT table returns 1 or
>> 3 dmics, the sof driver will not fail like before, it can support
>> 1 or 3 dmics after applying this patch.
>>
>> [Test Case]
>> Boot the kernel with this patch, and put sof-hda-generic-1ch.tplg in
>> the linux-firmware, the sof driver could detect the dmic and users
>> have a workable internal mic after booting up.
>>
>> [Regression Risk]
>> This patch adds new support for 1 and 3 dmics, it doesn't change
>> anything on existing functions, so the regression posibility is very
>> low.
>>
>>
>> Jaska Uimonen (1):
>>    UBUNTU: SAUCE: ASoC: SOF: intel: hda: support also devices with 1 and
>>      3 dmics
>>
>>   sound/soc/sof/intel/hda.c | 8 +++++++-
>>   1 file changed, 7 insertions(+), 1 deletion(-)
>>
>> -- 
>> 2.17.1
>>
>>
>> -- 
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>> kernel-team at lists.ubuntu.com
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