[PATCH 2/3] ASoC: dt-bindings: sama7g5-pdmc: add microchip,startup-delay-us binding
Mark Brown
broonie at kernel.org
Thu Feb 16 06:46:36 PST 2023
On Thu, Feb 16, 2023 at 11:18:16AM +0100, Krzysztof Kozlowski wrote:
> On 16/02/2023 11:15, Claudiu.Beznea at 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.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 488 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20230216/8d58d722/attachment.sig>
More information about the linux-arm-kernel
mailing list