[PATCH v1 0/2] Support built-in Mic on Tegra boards that use WM8903

Jon Hunter jonathanh at nvidia.com
Mon Mar 23 16:59:39 CET 2020



On 20/03/2020 22:30, Stephen Warren wrote:
> On 3/20/20 2:55 PM, Dmitry Osipenko wrote:
>> Hello,
>>
>> This small series adds audio route for built-in microphone on NVIDIA Tegra
>> boards that use WM8903 CODEC. In particular this is needed in order to unmute
>> internal microphone on Acer A500 tablet device. I'm planning to send out the
>> device tree for the A500 for 5.8, so will be nice to get the microphone
>> sorted out. Please review and apply, thanks in advance.
> 
> It's been a long time since I looked at this code, but the series looks
> plausible,
> Acked-by: Stephen Warren <swarren at nvidia.com>
> 
> (I wonder why machine->gpio_int_mic_en was already parse but never used!)

Looking at the ventana schematics, it appears that the internal-mic
signals was connected to a header and not an actual mic, so maybe we
never had a proper internal-mic on any board but allowed one to be
connected.

Anyway, looks good to me as well.

Acked-by: Jon Hunter <jonathanh at nvidia.com>

Cheers
Jon

-- 
nvpublic


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