Re: [PATCH RFC] iio: adc: ad4030: fix calibscale read/write unit mismatch

[Andy Shevchenko]

On Wed, Feb 25, 2026 at 04:21:53PM +0400, Giorgi Tchankvetadze wrote:
> Hi Marcelo, Thanks for the pointer to your pending series. As for
> keeping NANO precision, the hardware register is 16-bit with a step of
> 1/0x8000 ≈ 30 µ, so NANO doesn't provide any additional precision that
> the hardware can actually represent. MICRO is sufficient.
> 
> Btw, I checked and found that no driver in the entire IIO tree uses
> NANO for calibscale.
> Drivers use either IIO_VAL_INT (raw register value) or IIO_VAL_INT_PLUS_MICRO.
> 
> That said, if your series is already adding write_raw_get_fmt(), I'm
> happy to drop this patch and let yours handle it - as long as the
> mismatch gets fixed either way.

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-- 
With Best Regards,
Andy Shevchenko