Re: [PATCH v7 3/8] iio: backend: add API for oversampling

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On 11/29/24 9:35 AM, Antoniu Miclaus wrote:
> Add backend support for enabling/disabling oversampling.
> 
> Signed-off-by: Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx>
> ---
> changes in v7:
>  - implement 2 callbacks
> 	iio_backend_oversampling_enable()
> 	iio_backend_oversampling_disable()

I think Jonathan's suggestion from a previous review to pass the
oversampling ratio instead of enable/disable seems like a good idea
for making this more generic.

int iio_backend_set_oversampling_ratio(struct iio_backend *back, u32 ratio);

To answer Jonathan's question [1] about why does the backend need to
know if oversampling is enabled or not... In this case, it looks
like it changes some timing (the conversion quiet time) on the LVDS/CMOS
serial data lines depending on if oversampling is enabled or not.

[1]: https://lore.kernel.org/linux-iio/20241123160559.56c57fc7@jic23-huawei/





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