Messages in this thread | | | Date | Thu, 16 Feb 2023 14:46:36 +0000 | From | Mark Brown <> | Subject | Re: [PATCH 2/3] ASoC: dt-bindings: sama7g5-pdmc: add microchip,startup-delay-us binding |
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On Thu, Feb 16, 2023 at 11:18:16AM +0100, Krzysztof Kozlowski wrote: > On 16/02/2023 11:15, Claudiu.Beznea@microchip.com wrote:
> >>> + microchip,startup-delay-us: > >>> + description: | > >>> + Specifies the delay in microseconds that needs to be applied after > >>> + enabling the PDMC microphones to avoid unwanted noise due to microphones > >>> + not being ready.
> >> Is this some hardware delay? Or OS? If OS, why Linux specific delay is > >> put into DT?
> > It's the delay used in software workaround that IP needs to filter noises.
> Then this sounds like OS? Linux related properties usually do not belong > to DT.
This is a hardware property, it's the time needed for the input to settle. [unhandled content-type:application/pgp-signature] | |